Constellations Puzzle vs Prime Factorization
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Constellations Puzzle
Learn constellations through a fun jigsaw puzzle experience. Choose from three modes featuring different sets of constellations. Compete for the best time, collect picture panels, and use assistance features to help you learn.
- Learn constellations via jigsaw puzzles
- Three distinct constellation modes
- Timed challenges for best scores
- Collectible picture panels
- Assisted navigation feature
- Global player leaderboards
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An educational puzzle game produced by Digital Gene. This is an educational game that allows you to learn the constellation as if you play a jigsaw puzzle. This game is designed to be simple yet fun to play. The app is best suited for people who want to learn the constellation or students who want to get ready for the exams. Or why don't you try this game to stay sharp during your spare time? There are three modes available: one featuring 12 constellations on the ecliptic like Aries and Libra, which are also used in astrology; one featuring the 48 constellations listed by Ptolemy, such as Orion and Cassiopeia, which appear in ancient myth; and one featuring the 88 constellations recognized by the IAU. You can improve your knowledge as you play the game aiming for the best time or compete against players from all over the world. You can also collect picture panels when you satisfy certain conditions. So do your best to get all of them. When you're stuck on finding the location, use the assisted function. It will help you to navigate the correct location without hassling yourself. Please enjoy it. (Note: Due to the nature of puzzle games, certain stars are emphasized and certain stars omitted. ) (Note: As there are no official diagrams for the lines connecting the constellations, the forms of the constellations here may differ from those in other material. )
Prime Factorization
This game challenges you to break down numbers into their prime factors until you reach one. It offers a simple yet engaging way to exercise your brain through number manipulation.
- Number factorization gameplay
- Objective: reduce number to 1
- Brain training exercises
- Simple mechanics
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This app is "Brain training game". How to play is simple,divide the number displayed. Make the number to be "1". director App Kaihatsu Man music 魔王魂 Coding：アプリ開発マン
Screenshots
Verdict
The clearest difference is rating: Constellations Puzzle at 4.8 against Prime Factorization's 2.5. Constellations Puzzle also leads on review sentiment (84% vs 67%) and ratings volume (21 vs 4). Prime Factorization's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 5 months). On price, 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.
Constellations Puzzle holds the better App Store score, 4.8 against 2.5. That said, the two scores are not equally well evidenced: Constellations Puzzle has 21 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 84% of Constellations Puzzle's written reviews are positive against 67% of Prime Factorization's.
Constellations Puzzle ships an update every 5 months, Prime Factorization every 6 weeks. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.
| Parameter | Constellations Puzzle | Prime Factorization |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (21 ratings) — better | 2.5 (4 ratings) |
| Positive reviews | 84.4% of reviews — better | 66.7% of reviews |
| Number of ratings | 21 — better | 4 |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 7.1 — better |
| Further details — not scored | ||
| Size | 14 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Plus Inc. (Japan) | NAKAYUBI CORPORATION |
Customer experience
Constellations Puzzle
Prime Factorization
In-app purchases
Constellations Puzzle
No in-app purchases
Prime Factorization
No in-app purchases
Questions
Is Constellations Puzzle free?
Is Prime Factorization free?
Which has better reviews, Constellations Puzzle or Prime Factorization?
Do Constellations Puzzle or Prime Factorization have ads?
Which is updated more often, Constellations Puzzle or Prime Factorization?
Other comparisons
