Pocket Planets vs Solar System&Celestial Objects
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pocket Planets
Explore our solar system with detailed information on planets, moons, and astronauts. Track who is currently in space and receive notifications for new launches. Access NASA images and compare celestial body characteristics.
- Detailed planet and moon data
- Astronaut information and missions
- Real-time space occupancy
- Launch notifications
- NASA image gallery
- Celestial body comparisons
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Pocket Planets gives you all the information you need about our solar system and human activity in space. Learn more about all 565 astronauts who been to space. What was their mission? How long had they been up there? See who is in space now! Get notified when somebody goes into space. Get up to date information about every planet and moon in the solar system. Including: - Physical characteristics: mass, radius, density, gravity, escape velocity - Orbital characteristics: real-time distance from the Sun and Earth, orbital period, orbital speed, eccentricity, apsis, periapsis, visualise orbit - Atmosphere: pressure, atmospheric composition - Images from Nasa - Moons: compare their size and distance
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 ① Solar 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
Screenshots
Verdict
The clearest difference is update cadence: Pocket Planets at every 3 weeks against Solar System&Celestial Objects's every 6 weeks. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Pocket Planets ships an update every 3 weeks, Solar System&Celestial Objects every 6 weeks. The most recent releases landed on September 8, 2026 and May 16, 2026 respectively.
| Parameter | Pocket Planets | Solar System&Celestial Objects |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (22 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 22 — better | — |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 66 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Ad Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag | NIKI TECH |
In-app purchases
Pocket Planets
No in-app purchases
Solar System&Celestial Objects
No in-app purchases
Questions
Is Pocket Planets free?
Is Solar System&Celestial Objects free?
Do Pocket Planets or Solar System&Celestial Objects have ads?
Which is updated more often, Pocket Planets or Solar System&Celestial Objects?
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