PlanetenSpielundApp2b vs Solar System Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlanetenSpielundApp2b
An educational game designed for children to explore and learn about celestial bodies, including planets, moons, stars, and black holes. It features a gravitation arena to demonstrate Newton's laws of motion.
- Learn about planets, moons, and stars
- Explore black holes and nebulae
- Gravitation arena for physics demonstrations
- Interactive celestial body learning
- Newton's laws of motion explained
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Educational game for children to learn the celestial bodies (all planets included, many known moons, asteroids, stars, black holes and the latest a nebula). We still have some celestial bodies in the works - please leave them in the comment if a specific celestial body is to be included. A gravitation arena where you can see, Newton Laws in action. Lernspiel für Kinder zum Erlernen der Himmelskörpern (alle Planeten dabei, bekannte Monde, Asteroiden, Stern, schwarze Löcher). Wir haben noch einige Himmelskörper in Arbeit - bitte in die Kommentar hinterlassen, wenn ein bestimmter Himmelskörper aufgenommen werden soll. Eine Gravitationsarena, wo Newton Gesetze wirken.
Solar System Clock
Visualize the current or historical positions of planets in our solar system. Explore future or past planetary alignments and identify optimal times for observing planets in the night sky.
- Real-time planet positions
- Custom date selection
- Past and future alignments
- Optimal viewing time identification
- Solar System visualization
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See the positions of all planets in our Solar System based on the current date. Or, you can set your own custom date to see the alignment of our planets from a future date or a past date. You can use this app to find out the best time to watch a planet in the sky by finding out when it will be closest to Earth.
Screenshots
Verdict
The clearest difference is rating: PlanetenSpielundApp2b at 3.5 against Solar System Clock's 3.0. Solar System Clock's advantage is update cadence (every 2 days vs every 7 months) and iOS requirement (16.6 vs 18.0). On price, ratings volume, ads and in-app purchases 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.
PlanetenSpielundApp2b holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
PlanetenSpielundApp2b ships an update every 7 months, Solar System Clock every 2 days. The most recent releases landed on October 15, 2026 and October 28, 2026 respectively.
| Parameter | PlanetenSpielundApp2b | Solar System Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | 3.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 7 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 152 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Steffen Rokosch | Mateusz Andrzejczuk |
In-app purchases
PlanetenSpielundApp2b
No in-app purchases
Solar System Clock
No in-app purchases
Questions
Is PlanetenSpielundApp2b free?
Is Solar System Clock free?
Which has better reviews, PlanetenSpielundApp2b or Solar System Clock?
Do PlanetenSpielundApp2b or Solar System Clock have ads?
Which is updated more often, PlanetenSpielundApp2b or Solar System Clock?
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