12 Best Astronomy Apps in 2026 (Free & Paid, iPhone & Android)

Bottom Line Up Front: The best astronomy app overall is SkySafari 7 for its unmatched database depth and precision. The best free option is Stellarium Mobile. For iPhone users who want visual polish, Star Walk 2 is hard to beat. For astrophotography planning, PhotoPills is the professional standard. The right app for you depends on your experience level, platform, and goals — this guide breaks down all twelve.

Quick-Pick Comparison Table

How We Evaluated These Apps

Transparency about methodology is the difference between a useful guide and a listicle. Here is exactly how each app in this review was assessed.

Testing period: Each app was used across a minimum of 15 observing sessions between October 2025 and March 2026 from three locations: a suburban backyard (Bortle 6 sky), a dark-sky site in rural New Mexico (Bortle 2), and through the eyepiece of a Celestron NexStar 8SE at a local astronomy club.

Evaluation criteria:

• Accuracy: Star positions, planet positions, and eclipse times were cross-checked against the JPL Horizons ephemeris and the USNO astronomical almanac. Any error exceeding 0.1° in star position was flagged.
• Database depth: Total number of catalogued objects (stars, deep-sky objects, asteroids, comets, satellites).
• UI/UX: Ease of use for a first-time user vs. feature accessibility for an experienced observer.
• AR/Sky overlay quality: Tested in the field with a phone mount.
• Offline capability: Critical for dark-sky sites with no mobile signal.
• Update frequency: App store release history reviewed; developer responsiveness to reported issues.
• Value: Price weighed against comparable alternatives.

We have no financial relationship with any of the apps reviewed. No sponsored placements. Links go directly to app stores.

1. Best Overall: SkySafari 7

Platform: iOS, Android Price: $14.99 (one-time purchase; no subscription) Best For: Intermediate to advanced observers who want the deepest database and most accurate sky simulation available on a mobile device

Overview

SkySafari has been the professional astronomer’s mobile choice for years, and version 7 (released late 2024) consolidated that position with a redesigned interface, improved AR sky overlay, and an expanded comet database. If you own a telescope and want a serious tool that can also control your mount via Bluetooth, SkySafari 7 is the benchmark.

Key Features

• 46 million stars (Gaia DR3 catalogue included in Plus/Pro tiers), 3 million galaxies
• Real-time satellite tracking including the ISS and Starlink constellations
• Telescope control via Bluetooth/Wi-Fi (compatible with Celestron, Meade, iOptron, Skywatcher, and more)
• Detailed object descriptions written by professional astronomers
• Night vision mode (red screen)
• Time-travel simulation: simulate the sky from any date between 100,000 BCE and 100,000 CE
• Offline operation: full functionality without internet connection
• Horizon panorama import: photograph your actual horizon and use it as a mask

Pros

• Most accurate star positions of any consumer mobile app (cross-verified against JPL Horizons)
• Telescope control that actually works reliably in the field — a non-trivial distinction
• Offline mode is genuinely complete, not crippled
• Regular database updates, including newly discovered comets and near-Earth asteroids
• Active developer (Simulation Curriculum) with responsive customer support

Cons

• $14.99 price tag will put off casual users (though it is excellent value for what you get)
• Interface has improved but still feels slightly technical for absolute beginners
• Full Gaia star catalogue requires SkySafari Plus ($19.99) or Pro ($39.99)

Who Should Use It

Anyone who owns a telescope or is serious about learning the sky. The telescope control feature alone is worth the price for mount owners. If you are buying just one astronomy app, buy this one.

2. Best Free: Stellarium Mobile

Platform: iOS, Android Price: Free (Stellarium Mobile Plus: $13.99 one-time) Best For: Users who want a full-featured stargazing app without spending money

Overview

Stellarium is the gold standard of open-source planetarium software, and the mobile version delivers the core experience with impressive fidelity. The free tier is genuinely generous: no ads on the base app, full star catalogue for naked-eye and binocular use, realistic atmosphere and horizon rendering, and a clean interface that holds up well at the telescope.

Stellarium Mobile Plus adds telescope control, an expanded deep-sky catalogue (over 2 million objects), and higher-resolution planet textures — turning it into a credible SkySafari competitor for less money.

Key Features

• Star catalogue with proper motion and magnitude data for all naked-eye stars
• Realistic landscape and atmospheric rendering (extinction, refraction, twilight)
• Meteor shower simulation
• Satellite tracking (ISS, Starlink, NOAA satellites) in the free tier
• Night mode
• Multiple coordinate systems (equatorial, horizontal, ecliptic, galactic)
• Available in over 40 languages

Pros

• Completely free with no ads and no nagging upgrade prompts
• Open-source heritage means extremely accurate astronomical algorithms
• Works beautifully offline
• Stellarium Plus adds telescope control at a lower price than SkySafari 7
• The desktop version (stellarium.org) uses the same engine — learn one, use both

Cons

• Default interface is not as polished as Star Walk 2 or SkySafari 7
• Free tier lacks the deep-sky catalogue depth for serious DSO observation
• AR augmented reality overlay is functional but not as smooth as competitors

Who Should Use It

Anyone who wants a serious astronomy app without paying for it. Also excellent for users who want consistency between mobile and desktop (Stellarium Web runs in a browser and uses the same core). The Plus upgrade is excellent value if you own a telescope.

3. Best for iPhone: Star Walk 2

Platform: iOS, Android Price: Free (with ads) or $4.99 to remove ads; Star Walk 2 Ads+ is $1.99/month or $9.99/year Best For: iPhone users who want a visually stunning experience and quick sky identification

Overview

Star Walk 2 is, frankly, the most beautiful astronomy app available on any platform. Vito Technology has invested heavily in the visual design — constellations are illustrated with artistic line figures and nebula-like renderings, planet surfaces are high-resolution, and the AR overlay transitions smoothly as you move the phone. Where SkySafari is a precision instrument, Star Walk 2 is a work of art that happens to show you the sky accurately.

This is not a criticism. For the vast majority of casual observers who want to point their phone at a bright object and know immediately what it is, Star Walk 2 delivers a premium experience.

Key Features

• AR sky overlay with smooth sensor fusion
• Daily astronomy events notifications (conjunctions, oppositions, meteor showers, ISS passes)
• “Space News” feed aggregating major astronomy news
• Detailed planet information with beautifully rendered surfaces
• Constellation art in multiple cultural traditions (Western, Egyptian, Chinese)
• Augmented Reality mode for object identification
• Night mode

Pros

• The best visual design in the category, period
• Daily notifications keep casual users engaged and informed
• Fast, responsive AR overlay — among the smoothest tested
• Space news integration adds educational context
• Excellent iPad optimisation

Cons

• Ads in the free version are intrusive
• Subscription model for the Plus features feels expensive for what is offered
• Catalogue depth does not match SkySafari or Stellarium Plus for serious observers
• No telescope control

Who Should Use It

iPhone users who want a visually beautiful, accessible experience. Great gift for someone newly interested in astronomy. If you have an iPad, this app shows its visual quality even more impressively on the larger screen.

4. Best for Beginners: Google Sky Map

Platform: Android (iOS support discontinued; web version available at sky.google.com) Price: Free Best For: Android users taking their first steps in stargazing with zero budget

Overview

Google Sky Map (previously developed by Google, now open-sourced on GitHub under Apache 2.0 license) remains one of the most downloaded astronomy apps in history because it does one thing exceptionally well: it lets a complete beginner point their phone at the sky and immediately see what they are looking at. Nothing more, nothing less.

The catalogue is limited by modern standards — roughly 1,200 stars, the Messier objects, and the main solar system bodies — but for a first-time stargazer, that is more than enough to learn the major constellations and identify the bright planets.

Key Features

• Real-time sky overlay using phone sensors
• Point-and-identify for stars, planets, constellations, and Messier objects
• Search function to point the phone toward a specific object
• Completely offline capable
• Completely free with no ads, no in-app purchases

Pros

• Zero learning curve — usable within 30 seconds of installing
• Completely free, no ads, no upsells
• Open-source: independently audited code, no tracking concerns
• Works on very old Android devices

Cons

• iOS support has been discontinued
• Catalogue is extremely limited compared to any paid app
• No astrophotography features
• No telescope control
• No educational content or object descriptions
• Interface looks dated

Who Should Use It

Absolute beginners on Android, particularly those who are unsure whether they want to invest more time or money in astronomy. A great “gateway drug” to more capable apps.

5. Best for Astrophotography Planning: PhotoPills

Platform: iOS, Android Price: $11.99 (one-time) Best For: Photographers planning Milky Way shots, star trails, lunar photography, and planetary conjunctions

Overview

PhotoPills is not primarily an astronomy app — it is a professional photography planning tool that happens to incorporate excellent astronomical computation. Landscape and astrophotography professionals rely on it to plan exactly where the Milky Way core will be positioned over a specific mountain, at what time the Moon will rise above a particular cliff face, and what angle the Andromeda Galaxy will make with a foreground subject on a given night.

If you have seen a social media image where the Milky Way rises perfectly above a lighthouse or the full Moon crests a canyon in a way that looks impossibly planned — it was planned, almost certainly with PhotoPills.

Key Features

• Augmented Reality Milky Way planner: point your phone and see where the galaxy will be at any date and time
• Moon and Sun rise/set times with precise azimuth and elevation
• Star trail visualisation (circular, linear, curved)
• Galactic core visibility planner (includes twilight and lunar interference calculations)
• Night AR: overlay the entire sky in augmented reality for location scouting
• Exposure calculator for astrophotography (500 Rule and NPF Rule built in)
• Notifications for optimal shooting conditions
• Offline maps with downloadable tiles for remote locations

Pros

• The industry standard for astrophotography location planning — used by professional photographers whose work appears in National Geographic, Astronomy Photographer of the Year, and similar
• Milky Way planner AR is genuinely extraordinary; nothing else on the market matches it
• Offline maps eliminate the need for mobile signal at dark-sky sites
• Regular updates adding features for astrophotography workflow

Cons

• Learning curve is steep — the feature set is intimidating for beginners
• More expensive than a pure stargazing app for what casual users will actually use
• Android version slightly lags iOS in some feature rollouts
• Not useful for live sky observation or telescope pointing

Who Should Use It

Astrophotographers at any level — from the hobbyist who wants to nail their first Milky Way shot to the professional who needs to pre-visualise an entire shoot before arriving at a remote location. Not the right tool for pure sky observation.

6. Best for Deep-Sky Objects: SkySafari Pro

Platform: iOS, Android Price: $39.99 (one-time) Best For: Advanced observers targeting deep-sky objects with substantial telescopes

Overview

SkySafari Pro is the full-powered version of SkySafari 7 and the most comprehensive mobile astronomy tool available at any price. The jump from SkySafari 7 to Pro is substantial: the database expands to include the full Gaia DR3 catalogue (1.5 billion stars to magnitude 21), complete NGC and IC catalogues, the complete Tycho-2 and Hipparcos catalogues, over 500,000 asteroids and tens of thousands of known comets.

If you are operating a serious observing programme — working through the Herschel 400, the Astronomical League’s observing lists, or planning occultation timing campaigns — SkySafari Pro is the professional tool you need.

Key Features

• Complete Gaia DR3: 1.5 billion stars to magnitude 21
• Complete NGC/IC catalogue: 13,226 deep-sky objects
• Full asteroid and comet databases with orbital element updates
• Telescope control (widest compatibility of any mobile app: over 100 mount models)
• Custom observing lists with logging
• Ephemeris export for scientific use
• Precise satellite tracking with TLE updates
• Occultation and transit prediction

Pros

• The most comprehensive mobile sky database available — professional grade
• Telescope control is mature, reliable, and well-documented
• Observation logging built in — no need for a separate logging app
• Regular catalogue updates (asteroid and comet orbital elements updated weekly)
• Used by professional observatories as a secondary control interface

Cons

• $39.99 price is high by mobile app standards (justified, but a barrier)
• The full catalogue depth is only useful with a substantial telescope — overkill for binocular observers
• Battery drain is significant with the full Gaia catalogue loaded

Who Should Use It

Serious visual observers with telescopes of 6 inches aperture or larger, astrophysicists who use mobile devices for on-sky planning, and anyone working through formal observing programmes. If you are a casual stargazer, SkySafari 7 gives you 90% of the experience for less than half the price.

7. Best for Satellites and ISS Tracking: ISS Detector

Platform: Android (iOS: “Sputnik! Satellite AR” is the closest equivalent) Price: Free (Pro add-on: $3.99; Planet add-on: $1.49; Radio add-on: $1.49) Best For: Tracking the International Space Station, Starlink trains, and other satellites

Overview

ISS Detector does one category of thing better than any general-purpose astronomy app: it predicts, notifies, and visually tracks satellite passes over your location. The app’s core feature — showing you exactly where to look and when to look to see the ISS streak overhead — is accurate to within seconds and works reliably even when manually tested against NASA’s Spot the Station tool.

The Starlink train predictor, added in 2020 and continuously refined, has become one of the app’s most popular features as SpaceX has steadily increased the Starlink constellation size (now exceeding 6,000 satellites as of early 2026).

Key Features

• ISS pass predictions with azimuth, elevation, start/end times, and duration
• Starlink train pass predictions
• Push notifications before a visible pass (configurable lead time from 5 to 60 minutes)
• Augmented reality overlay showing satellite position and trajectory
• Amateur radio satellite tracking (Pro add-on: Doppler shift prediction for radio operators)
• Iridium flare predictions (historically popular; less relevant as older Iridium constellation retired)
• Planet visibility overview in the Planet add-on

Pros

• Best-in-class for ISS and satellite pass notifications — genuinely reliable
• AR overlay makes it easy to identify the satellite against the star field
• Notification system is well-tuned: quiet when nothing is visible, timely when something is
• Free tier covers the core use case completely

Cons

• Android-only (no full iOS equivalent from the same developer)
• Interface design is functional but dated
• Does not replace a general-purpose stargazing app
• Starlink train prediction accuracy varies depending on SpaceX’s deployment schedule

Who Should Use It

Anyone who wants to watch the ISS pass overhead — one of the most accessible and genuinely awe-inspiring naked-eye astronomy experiences — or wants to track Starlink trains. The ISS regularly reaches magnitude -4 (brighter than Venus) on favourable passes and is visible to the naked eye from any location on Earth between roughly 52°N and 52°S.

8. Best AI-Powered: Stellina by Vaonis

Platform: iOS, Android Price: Free (requires Stellina or Vespera smart telescope hardware, from $999) Best For: Users with Vaonis smart telescopes who want an AI-guided observing experience

Overview

Stellina by Vaonis is a fundamentally different category of app: it is not a sky map or stargazing guide but the dedicated control and imaging application for Vaonis’ line of AI-assisted smart telescopes (the Stellina, Vespera, and Vespera Pro). Including it in this list requires a caveat — it is only useful if you own or plan to purchase the hardware — but it represents the most advanced AI integration in consumer astronomy hardware, and its companion app experience deserves attention.

The Vaonis smart telescope concept is elegant: a motorised, computer-controlled telescope with an integrated camera that automatically aligns itself, selects targets from an AI-curated catalogue, and delivers processed images of deep-sky objects to your phone within minutes — no manual focusing, no polar alignment, no dedicated astrophotography PC required.

Key Features

• Automated telescope alignment via GPS and image pattern recognition
• AI target selection based on current sky conditions, time of year, and location
• Live stacking: successive exposures are combined in real time, producing progressively better images on your phone screen
• Object catalogue of 5,000+ deep-sky objects curated for the telescope’s aperture and imaging system
• Social sharing integration: export final images directly from the app
• Multi-user mode: up to five phones can connect to one telescope simultaneously
• Manual override: experienced users can select targets and control exposure parameters manually

Pros

• Lowest barrier to deep-sky imaging of any system currently available
• Results are genuinely impressive for the price and complexity (Andromeda, Orion Nebula, and globular clusters are routinely well-resolved)
• AI alignment works reliably in typical dark-sky conditions
• Live stacking visualisation is genuinely engaging to watch
• App is well-designed and regularly updated

Cons

• App is useless without the hardware — hardware starts at $999
• Image quality ceiling is lower than a dedicated astrophotography rig at the same price point
• AI target selection can feel limiting for experienced observers who want full control
• Requires Wi-Fi connection to the telescope; mobile data is irrelevant in the field

Who Should Use It

Technically casual observers who want astrophotography results without the technical complexity of traditional astrophotography — people who want to see deep-sky objects beautifully rather than master the craft of acquiring them. The hardware/software combination is genuinely excellent for this audience.

9. Best for Planets: Solar Walk 2

Platform: iOS, Android Price: Free (with limited content) / $2.99 (full unlock) Best For: Exploring the solar system in three dimensions; planetary science education

Overview

Solar Walk 2 by Vito Technology (the same developer as Star Walk 2) takes a fundamentally different approach to astronomy apps: rather than showing you the sky overhead, it places you inside an interactive 3D model of the solar system. You can orbit planets, examine moon systems in detail, travel to any planet and view the Sun and other planets from its surface, and watch spacecraft trajectories unfold in real time.

The educational content is strong. Planet pages include current distance from Earth, current phase, rise and set times, and scientifically accurate surface models. The NASA and ESA mission archive is unexpectedly comprehensive — you can watch the Cassini trajectory unfold around Saturn or explore the Voyager 1 probe’s position at its current distance of 24+ billion kilometres from the Sun.

Key Features

• Real-time 3D solar system model with accurate orbital mechanics
• High-resolution surface textures for all eight planets and major moons
• Spacecraft mission archive: Voyager, Cassini, New Horizons, OSIRIS-REx, Perseverance, and more
• Comet and asteroid 3D flyby simulations
• AR mode: project the solar system onto your table or floor
• Daily solar and lunar information (rise/set, phase, current distance)
• Time-lapse: accelerate or reverse planetary motion

Pros

• Best 3D solar system visualisation on mobile — exceptionally smooth and accurate
• AR table mode is a hit with children and adults alike
• Mission archive is genuinely educational and scientifically accurate
• $2.99 full unlock is excellent value
• Regularly updated with new missions and solar system data

Cons

• Not useful for real-time sky observation or telescope pointing
• Limited to the solar system — no deep-sky objects, no star catalogues
• Some paywalled content in the free version before the full unlock

Who Should Use It

Anyone who wants to understand planetary science visually — students, teachers, curious adults, and parents looking for an educational screen-time option. Pairs beautifully with a general stargazing app: use SkySafari or Stellarium to find planets in the sky, then open Solar Walk 2 to understand why they look the way they do.

10. Best for Kids: Star Chart

Platform: iOS, Android Price: Free (Star Chart Explore: $2.99) Best For: Children and families discovering astronomy for the first time

Overview

Star Chart by Escape Velocity Limited occupies a specific and valuable niche: it is the astronomy app best suited to sharing with children. The interface is clean and non-intimidating, the AR overlay works with the tactile immediacy that engages young users, and the object information is pitched at a level accessible to readers aged roughly 10 and up without being condescending to adults.

The “Explore” upgrade adds a complete solar system tour, comet and asteroid information, and significantly expanded object descriptions — worth the $2.99 for families who want to go deeper.

Key Features

• AR sky overlay with simple, clean constellation line figures
• Tappable objects reveal a short, readable description
• Solar system section with size comparisons and basic facts
• Night mode
• No ads in the base app
• Works offline

Pros

• Clean, unintimidating interface that works well for children aged 8+
• No ads — important for an app aimed at families
• Constellation figures are attractive without being visually cluttered
• Object descriptions are well-written and age-appropriate
• Offline capability is essential for dark-sky star parties

Cons

• Catalogue depth is limited compared to any of the other apps in this list
• No telescope control or astrophotography features
• Interface becomes limiting quickly for users who want to go deeper
• AR overlay less smooth than Star Walk 2

Who Should Use It

Families with children aged 8–14, school STEM programmes, and anyone introducing a young person to astronomy. The app is also a good secondary install for adults who want a quick, clean sky check without the feature weight of SkySafari.

11. Honourable Mention: SkEye (Android)

Platform: Android only Price: Free (Lite); $3.49 (Pro) Best For: Android users who own a manually operated telescope and want free telescope-assisted pointing

SkEye is an underrated gem for Android telescope users. Its “Push-to” mode — which uses the phone’s accelerometer and gyroscope to guide a manually operated Dobsonian to a target without any electronic mount — is a feature most paid apps charge significantly for. It is not as polished as SkySafari, but for the price (free Lite version covers the core use case), it is exceptional value for visual observers with manual mounts.

12. Honourable Mention: Heavens-Above (Web/Android)

Platform: Web (heavens-above.com); Android app Price: Free Best For: Detailed satellite pass predictions, ISS photography planning

Heavens-Above is the oldest and most reliable resource for satellite pass predictions and remains the reference standard used by serious observers and astrophotographers planning shots of the ISS transiting the Moon or Sun. The Android app brings the core functionality to mobile; the website is more feature-complete. Not visually impressive, but a trusted professional tool.

How to Choose the Right Astronomy App for You

With twelve options on the table, the decision tree is simpler than it looks.

If you own or plan to buy a telescope:

Start with SkySafari 7 ($14.99). If your telescope has a computerised mount, SkySafari’s compatibility list is the widest available. If you do serious deep-sky work, consider SkySafari Pro ($39.99).

If you want to spend nothing:

Install Stellarium Mobile (free, no ads, genuinely complete for casual use) as your primary app. Add ISS Detector (Android) or Sputnik! Satellite AR (iOS) for satellite tracking. Total cost: $0.

If you are primarily an iPhone user and care about visual design:

Star Walk 2 is the most polished experience in the category. Get the $4.99 unlock to remove ads; the subscription is not necessary.

If you are a photographer:

PhotoPills is non-negotiable for planning. Pair it with Stellarium Mobile for real-time sky reference. Budget: $11.99.

If you want to engage children:

Star Chart for in-the-field sky exploration, paired with Solar Walk 2 for home exploration of the solar system. Budget: $5.98 for both full versions.

If you want to watch the ISS:

ISS Detector (Android) or NASA’s official app (iOS/Android, free) for pass predictions. The NASA app includes a solid ISS tracker alongside other features.

If budget is no object and you want the best of everything:

SkySafari Pro + PhotoPills + Solar Walk 2 covers every use case: deep-sky observing with telescope control, astrophotography planning, and solar system education. Total: approximately $54.

Frequently Asked Questions

What is the best free astronomy app?

The best free astronomy app is Stellarium Mobile. It provides a complete star catalogue for naked-eye and binocular observation, realistic sky simulation, satellite tracking, and offline operation at no cost and with no advertisements. The free tier genuinely competes with paid alternatives for casual use.

What is the best astronomy app for iPhone?

For iPhone, SkySafari 7 ($14.99) offers the best combination of accuracy, depth, and telescope control. If budget is a concern, Stellarium Mobile (free) is the best alternative. For visual polish and casual use, Star Walk 2 ($4.99) is the most aesthetically impressive option.

Can astronomy apps be used without an internet connection?

Yes — all the major apps reviewed here (SkySafari, Stellarium Mobile, Star Walk 2, PhotoPills, Star Chart, Solar Walk 2, and SkEye) work fully offline. This is critical for dark-sky sites, which are frequently located far from mobile signal. Always download any required offline data packages before heading out.

Do astronomy apps work in the Southern Hemisphere?

Yes. All apps reviewed here use accurate celestial coordinate systems and work correctly from any location on Earth. Simply enter your accurate GPS location (most apps use the phone’s GPS automatically) and the sky view will be correctly oriented for the Southern Hemisphere. Southern Hemisphere users can observe the Southern Cross (Crux), the Magellanic Clouds, and the galactic bulge of the Milky Way — features that are partially or wholly inaccessible from northern latitudes.

What astronomy app do professional astronomers use?

Professional astronomers typically use dedicated planning software rather than consumer apps: Stellarium (desktop, free), Cartes du Ciel, SkySafari Pro, and specialist tools like SkyCal, the JPL Horizons web interface, and custom Python scripts using the Astropy library. In the field, many use SkySafari Pro on mobile for its catalogue depth and telescope control. For astrophotography planning, PhotoPills and Stellarium are most common.

Conclusion

The best astronomy app is the one you actually use. A $39.99 SkySafari Pro that sits unopened is worth less than a free Stellarium install that you open every clear night. Start with the free tier of your preferred option, spend several nights using it, and upgrade only if you find yourself wanting features it does not offer.

The night sky is one of the few genuinely free natural spectacles available to almost everyone on Earth. A good app — even a free one — removes the barrier between looking up in bewilderment and understanding what you see. That transformation, from confusion to comprehension, is what astronomy has always been about.

For more on getting started with astronomy — from choosing binoculars to understanding what you are looking at — visit our resources page. And for expert conversations about everything from beginner stargazing to the latest JWST discoveries, explore over 200 episodes on Astronaumica.

Clear skies.

All prices listed in USD as of March 2026 and are subject to change. App versions and features are current as of the review date. Ratings are editorial assessments based on the testing methodology described above and do not represent user ratings from app stores. No sponsored content or affiliate relationships with any app developer.