# Solar System Viewer: 8Planets — Simulate planetary orbits > Interactive solar system simulator for exploring planetary orbits and positions. (iPhone/iPad app by BLUE COMET LABS LLC.) - Source: https://appshunter.io/ios/app/solar-system-viewer-8planets/id1554639445 (this page in markdown: same URL + `.md`) - Developer: [BLUE COMET LABS LLC](https://appshunter.io/developer/1492055170) - Category: Education, Reference - Price: $2.99 with in-app purchases - Rating: 4.40/5 from 28 App Store ratings · 6 written reviews indexed - Age rating: 4+ - Requires: iOS 26.0 · 10 MB - Languages: American English, Japanese - Released: 2021-03-21 - Data updated: 2026-08-13 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/solar-system-viewer-8planets/id1554639445/reviews.md ## What is Solar System Viewer? 8Planets is a simple viewer and simulator for planetary orbits in our Solar System. 8Planets helps you discover how the planets aligned and move around over time so that you feel the scale of the Solar System or even the Universe. By giving you quick and easy access to the Solar System everywhere, 8Planets will make you feel that the Solar System is close to us. FEATURES ・Planetary Motion Speed up or slow down time to see how the planets rotate over time and grasp the scale of the Solar System. ・Time Travel Travel back or forward in time to view the Solar System or planetary positions on any given date. ・Widgets Widgets allow you to display the real-time Solar System on your Home Screen. ・Watch View the Solar System on your wrist and use Digital Crown to travel back or forward in time. ・Others Apple Watch Complications, Overview of the planets, Option to show Pluto, Sharing your favorite moment of the Solar System, URL Scheme, and more. ## Key features - Simulate planetary orbits - Adjust time speed - Time travel to specific dates - Home screen widgets - Apple Watch integration - View planet overviews ## Pricing and in-app purchases Base price: $2.99. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Ganymede Tip | $5.99 | one-time | | Callisto Tip | $9.99 | one-time | | Io Tip | $1.99 | one-time | | Europa Tip | $3.99 | one-time | ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/solar-system-viewer-8planets/id1554639445/reviews.md ### 4/5 — Huh *2026-07-13* It’s good it’s accurate but I don’t like how the other planets are I need to pay but good nice **Developer response:** Thanks for the review! We’re glad you find 8Planets accurate and enjoyable. We also hear your feedback regarding the other planets and the cost. Our app offers additional planet content as a paid option while keeping the basics accessible for everyone, but we’ll definitely consider ways to improve this experience. ### 5/5 — Good app *2024-12-10* Simple and has all you need. The ability to zoom in on the map would be nice though **Developer response:** Thank you for your review and feedback! I'm glad to hear you're enjoying the app. Your suggestion about a zoom feature is really helpful, and I'll definitely take it into consideration for future updates. Your support means a lot to me. ### 5/5 — good design *2024-09-09* very aesthetic and smooth **Developer response:** Thank you for your thoughtful feedback. I'm delighted to hear you appreciate the design and smooth experience. Your input is invaluable as I strive to maintain that perfect balance between friendly and professional. If there's anything more I can do to enhance your experience, please let me know. ### 5/5 — 8 Planets app *2023-12-27* Very quirky app and FREE. No ads. And something you go back to every so often, so is ongoing ‘soft’ entertainment. **Developer response:** Thank you for your kind words and for taking the time to share your thoughts. I'm thrilled to hear that you enjoy exploring the app and find value in its ongoing entertainment. It's great to know that the ad-free experience enhances your enjoyment. Your feedback motivates me to keep improving. If there's anything more you'd like to see or suggest, feel free to reach out. Happy exploring! ### 4/5 — Good, but widget does not show up in add widget screen *2022-11-15* This is a good app and would be fun to keep the widget in the home screen to see, however when I go to add it, it doesn’t do anything. I’m on iPad, if that affects anything. **Developer response:** Thank you for your review. Could you try restarting your iPad? If it still doesn’t work, please contact us via email. ### 3/5 — 不太准确 *2021-11-15* 希望轨道改成椭圆形 **Developer response:** 感谢您的反馈。我很感激您的见解，并理解您对轨道准确性和形状的关注。我一定会审查这些需要改进的方面。您的建议帮助我们为大家创造更好的体验。 ## Frequently asked questions about Solar System Viewer ### What is 8Planets? 8Planets is an educational app that allows users to view and simulate the orbits of planets in our solar system. It provides tools to visualize planetary motion and positions over time. ### What devices does 8Planets support? 8Planets is available on Mac, Apple Watch, iPhone, and iPad, offering a versatile experience across Apple platforms. ### How does 8Planets help users understand the solar system? Users can speed up or slow down time to observe planetary motion and grasp the scale of the solar system. The 'Time Travel' feature lets you view planetary positions on any specific date. ### Does 8Planets have ads? No, 8Planets does not contain advertisements, providing an uninterrupted educational experience. ### What is the price of 8Planets? 8Planets is a paid application, available for a one-time purchase of $2.99. ### How often is 8Planets updated? The latest version of 8Planets is 1.3.1, last updated on October 13, 2025. Updates typically occur to enhance features and ensure compatibility. ### What is the age rating for 8Planets? 8Planets has an age rating of 4+, making it suitable for young learners and adults interested in space. ### Can I see the solar system on my Apple Watch with 8Planets? Yes, 8Planets offers a 'Watch' feature to view the solar system on your wrist and use the Digital Crown for time travel. ## Version history (last 5 releases) ### 1.3.3 — 2026-05-07 ・Minor bug fixes and performance improvements. ### 1.3.2 — 2026-04-06 ・Minor bug fixes and performance improvements. ### 1.3.1 — 2025-10-13 ・Added iOS 26 and watchOS 26 support. ・Minor bug fixes and performance improvements. ### 1.3.0 — 2025-10-06 ・Added iOS 26 and watchOS 26 support. ・Minor bug fixes and performance improvements. ### 1.2.8 — 2025-07-31 ・Minor bug fixes and performance improvements. ## Apps similar to Solar System Viewer | App | Rating | Price | Category | | --- | --- | --- | --- | | [Zuokabi: Learn Spanish](https://appshunter.io/ios/app/zuokabi-learn-spanish/id1615570420) | 5.0 (22) | Free | Education | | [Wanna help word memorization](https://appshunter.io/ios/app/wanna-help-word-memorization/id1608671720) | — | Free | Education | | [NSE Panthers](https://appshunter.io/ios/app/nse-panthers/id1611182360) | 4.7 (3) | Free | Education | | [Smart Belarusian Dictionary](https://appshunter.io/ios/app/smart-belarusian-dictionary/id1606872160) | 3.0 (1) | Free | Education | | [CiNii Research, KAKEN, IRDB](https://appshunter.io/ios/app/cinii-research-kaken-irdb/id1618150440) | — | Free | Education | | [A-Level Biology App](https://appshunter.io/ios/app/a-level-biology-app/id1613078220) | 1.0 (1) | Free | Education | ## More apps by BLUE COMET LABS LLC - [Expenses: Spending Tracker](https://appshunter.io/ios/app/expenses-spending-tracker/id1492055171) - [PasswordGen: Just Generate](https://appshunter.io/ios/app/passwordgen-just-generate/id1597625384) - [Simple Checklist: Rerere](https://appshunter.io/ios/app/simple-checklist-rerere/id1616155150) - [IV drip calculation: OnDrip](https://appshunter.io/ios/app/iv-drip-calculation-ondrip/id6483362139) All apps by BLUE COMET LABS LLC: https://appshunter.io/developer/1492055170 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*