Solar System&Celestial Objects vs Satellite Rotation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solar System&Celestial Objects
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Easy learning about solar system, stars, celestial objects, constellations, spacecraft with pictures ,sounds and quiz games. If you who always search and learn a quiz app like these, this app is for you ①Solar system Flash card app. ② Stars Quiz app. ③ Celestial objects quiz app. ④ Stars history and information app. ⑤ Constellations name cards. ⑥ Guess solar system app. Features: - You can learn many kinds of stars. - You can play solar system quiz. - Many information related to solar system, stars, celestial objects, constellations, spacecraft - Support Quiz feature. - Support 5 languages: English, Japanese, Korean, Chinese, Vietnamese
Satellite Rotation
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These are 3D animations of the top 10 largest satellites in the solar system. 1.Ganymede : Satellite of Jupiter radius : 2,632km (1.52 times the moon) 2.Titan : Satellite of Saturn radius : 2,575km (1.48 times the moon) 3.Callisto : Satellite of Jupiter radius : 2,409km (1.39 times the moon) 4.Io : Satellite of Jupiter radius : 1,821km (1.05 times the moon) 5.Moon : Satellite of Earth radius : 1,737km 6.Europa : Satellite of Jupiter radius : 1,562km (0.9 times the moon) 7.Triton : Satellite of Neptune radius : 1,353km (0.78 times the moon) 8.Titania : Satellite of Uranus radius : 789km (0.45 times the moon) 9.Rhea : Satellite of Saturn radius : 764km (0.44 times the moon) 10.Oberon : Satellite of Uranus radius : 761km (0.44 times the moon) ï½¥You can change the rotation speed of the satellite. ï½¥When you press the button, the angle of the sun changes by 30 degrees each time. ï½¥The fastest thing is one revolution per second.The slowest thing is one rotation in 300 seconds (5 minutes). ï½¥When checked, reverse rotation will occur.
Screenshots
Verdict
The clearest difference is price: Solar System&Celestial Objects at Free against Satellite Rotation's $0.99. Solar System&Celestial Objects also leads on update cadence (every 6 weeks vs every 7 months). Satellite Rotation's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Solar System&Celestial Objects is free to download; Satellite Rotation costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Solar System&Celestial Objects ships an update every 6 weeks, Satellite Rotation every 7 months. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.
| Parameter | Solar System&Celestial Objects | Satellite Rotation |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | Every 6 weeks — better | Every 7 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | NIKI TECH | Masahiro Tomosada |
In-app purchases
Solar System&Celestial Objects
No in-app purchases
Satellite Rotation
No in-app purchases
Questions
Is Solar System&Celestial Objects free?
Is Satellite Rotation free?
Do Solar System&Celestial Objects or Satellite Rotation have ads?
Which is updated more often, Solar System&Celestial Objects or Satellite Rotation?
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