Solar System Scope vs COSMOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solar System Scope
Explore and discover the solar system and outer space with realistic 3D visualizations and detailed celestial simulations. This app offers an educational and engaging experience for all ages, featuring a comprehensive encyclopedia and a night sky observatory.
- 3D Encyclopedia of celestial bodies
- Realistic 3D visualizations
- Night sky observatory with time simulation
- Accurate orbital parameter calculations
- High-quality planetary and moon maps
- Multilingual support
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Solar System Scope is a fun way of Exploring, Discovering and Playing with the Solar System and Outer Space. Solar System Scope (or just Solar) contains many views and celestial simulations, but most of all - it brings you closer to the furthest reaches of our world and lets you experience lots of fantastic space sceneries. It aspires to be the most illustrative, easy to understand and simple to use space model. - 3D Encyclopedia In Solar’s unique encyclopedia you will find the most interesting facts about every planet, dwarf planet, every major moon and more – and everything is accompanied by realistic 3D visualizations. Solar’s encyclopedia is available in 10 languages: English, Spanish, German, Russian, Italian, Korean and Slovak. More languages are coming soon! - Nightsky Observatory Enjoy Stars and constellation of the night sky as viewed from any given location on Earth. You can point your device at the sky to see all objects in their proper place, but you can also simulate Night sky in the past or in the future. Now with advanced options that let you simulate ecliptic, equatorial and azimuthal line, or grid (among other things). - Scientific Instrument Solar System Scope calculations are based on up-to-date orbital parameters published by NASA and let you simulate celestial positions at any given time. - For Everyone Solar System Scope is well suited for all audiences and ages: It is enjoyed by space enthusiasts, teachers, scientists, but Solar is successfully used even by children of 4+ years of age! - Unique Maps We are proud to present a very unique set of planetary and moon maps, that let you experience a true-color space as never before. These accurate maps are based on NASA elevation and imagery data. Colors and shades of the textures are tuned according to true-color photos made by Messenger, Viking, Cassini and New Horizon spacecrafts, and the Hubble Space Telescope. Basic resolution of these maps is for free – but if you would like the best experience, you can check out the highest quality, which is available with In-App purchase. - Join our vision Our vision is to build the ultimate space model and bring you the deepest space experience. And you can help - try Solar System Scope and if you like it, spread the word! And don’t forget to join the community and vote for new features on our homepage.
COSMOS
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Explore the universe from the palm of your hand. COSMOS is a space exploration app that takes you on an immersive journey through the solar system, distant galaxies, black holes, asteroid belts, and dwarf planets - all with stunning visuals and real astronomical data. EXPLORE 5 COSMIC REGIONS Milky Way - FREE Start your journey in our home solar system. Visit all 8 planets, 13 moons, and the Sun. Tap any world to discover facts, stunning imagery, and take a quiz to test your knowledge. Andromeda Travel 2.5 million light years to our nearest spiral galaxy. Explore 5 deep-space objects including satellite galaxies M32 & M110 and the supermassive black hole at its core. Black Holes Confront the most extreme objects in the universe. From Sagittarius A* at the heart of our galaxy to M87* - the first black hole ever photographed. Asteroids Journey through the asteroid belt between Mars and Jupiter. Meet Vesta, Bennu, Ryugu, Psyche and other rocky relics from the early Solar System. Dwarf Planets Venture beyond Neptune to discover Pluto, Eris, Haumea, Makemake, and Ceres - worlds too small to be planets, too fascinating to ignore. LEARN AS YOU EXPLORE Every object comes with detailed facts and a built-in quiz. Test yourself on difficulty levels from Quick to Expert and earn badges as you master the cosmos. 13 BADGES TO EARN Track your progress and unlock achievement badges as you explore each region. Can you earn the ultimate "Universe Mapped" badge by visiting every object? PRIVACY FIRST No account required. No ads. No tracking. All your progress is stored locally on your device. COSMOS PREMIUM Unlock all 4 premium regions with a single one-time purchase. No subscription, no hidden fees - pay once, explore forever. Start your journey today. The universe is waiting. Privacy Policy: https://clkcompany.github.io/cosmosapp/privacy-policy.html Terms of Service: https://clkcompany.github.io/cosmosapp/terms-of-service.html License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Contact: tech@clk.company
Screenshots
Verdict
Solar System Scope and COSMOS are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Solar System Scope sells 1 one-off in-app purchase and COSMOS sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Solar System Scope | COSMOS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (882 ratings) — better | — |
| Positive reviews | 76.5% of reviews | — |
| Number of ratings | 882 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 154 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | INOVE, s.r.o. | Muhammed Celik |
Bugs and requests
Solar System Scope
Reported bugs
4 issues- Crashes when dragging Jupiter
- Upside-down orientation on tablets
- Unable to restore purchases
- Freezes and crashes on launch
Requested features
5 requests- Add more celestial bodies (Messier objects, Planet 9/10, black holes, etc.)
- Enable exploration of other galaxies and deep space objects
- Improve telescope/zoom functionality
- Add more moons and irregular satellites
- Implement continental drift and solar system evolution
COSMOS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Solar System Scope
- HQ Textures / No Ads$5.99
COSMOS
- COSMOS Premium$4.99








