# Constellations Puzzle vs SUM! Planets

The clearest difference is ads: SUM! Planets at none against Constellations Puzzle's shown. SUM! Planets also leads on update cadence (daily vs every 5 months) and review sentiment (100% vs 84%). Constellations Puzzle's advantage is ratings volume (21 vs 1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SUM! Planets holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Constellations Puzzle has 21 ratings behind it against 1, 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 100% of SUM! Planets's.

Constellations Puzzle ships an update every 5 months, SUM! Planets daily. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Constellations Puzzle | SUM! Planets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (21 ratings)](https://appshunter.io/ios/app/constellations-puzzle/id585551131/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-planets-simple-math-game/id1438844429/reviews)** |
| Number of ratings | **21** | 1 |
| Positive reviews | 84.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Ad-supported | **Free** |
| Size | 14 MB | 236 MB |
| Requires iOS | 13.0 | **10.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Plus Inc. (Japan)](https://appshunter.io/developer/445792061) | [Enfani Inc.](https://appshunter.io/developer/1023209229) |

## What reviewers say

### Constellations Puzzle

[App page](https://appshunter.io/ios/app/constellations-puzzle/id585551131)

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.

**Highlights:** Learn constellations via jigsaw puzzles, Three distinct constellation modes, Timed challenges for best scores, Collectible picture panels, Assisted navigation feature, Global player leaderboards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SUM! Planets

[App page](https://appshunter.io/ios/app/sum-planets-simple-math-game/id1438844429)

This is a fast-paced falling bubble puzzle game where players must quickly find pairs that add up to ten. It offers a simple yet challenging experience that becomes increasingly difficult as the game speeds up.

**Highlights:** Falling bubble puzzle gameplay, Find pairs to make ten, Increasing speed and difficulty, Simple and addictive, Award-winning design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Constellations Puzzle free?

Constellations Puzzle is free to download, with no in-app purchases.

### Is SUM! Planets free?

SUM! Planets is free to download, with no in-app purchases.

### Which has better reviews, Constellations Puzzle or SUM! Planets?

SUM! Planets is rated higher. Constellations Puzzle averages 4.8 out of 5 from 21 ratings, while SUM! Planets averages 5.0 from 1 ratings.

### Do Constellations Puzzle or SUM! Planets have ads?

Constellations Puzzle shows ads; SUM! Planets does not.

### Which is updated more often, Constellations Puzzle or SUM! Planets?

Constellations Puzzle ships an update every 5 months, and SUM! Planets daily. Most recently, Constellations Puzzle was updated on October 10, 2026 and SUM! Planets on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*