# Sum Fun vs SUM! Planets

The clearest difference is ads: SUM! Planets at none against Sum Fun's shown. SUM! Planets also leads on update cadence (daily vs weekly) and monetization model (free vs ad-supported). Sum Fun's advantage is ratings volume (33 vs 1). On price, rating, review sentiment and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Sum Fun against 5.0 for SUM! Planets. That said, the two scores are not equally well evidenced: Sum Fun has 33 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Sum Fun ships an update weekly, SUM! Planets daily. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Sum Fun | SUM! Planets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (33 ratings)](https://appshunter.io/ios/app/sum-fun/id817544892/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-planets-simple-math-game/id1438844429/reviews)** |
| Number of ratings | **33** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | Ad-supported | **Free** |
| Size | 187 MB | 236 MB |
| Requires iOS | 15.0 | **10.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Sharpe](https://appshunter.io/developer/817544895) | [Enfani Inc.](https://appshunter.io/developer/1023209229) |

## What reviewers say

### Sum Fun

[App page](https://appshunter.io/ios/app/sum-fun/id817544892)

A unique number puzzle game that combines logic, numbers, and strategy. Enjoy endlessly replayable puzzles with creative board shapes and a brain-boosting gameplay experience. Play at your own pace with no time limits and challenge friends.

**Highlights:** Unique number puzzle gameplay, Variety of creative board shapes, Brain-boosting mental workout, No time limits for relaxed play, Challenge friends offline, Easy to play, fun to master

**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 Sum Fun free?

Sum Fun 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, Sum Fun or SUM! Planets?

SUM! Planets is rated higher. Sum Fun averages 4.9 out of 5 from 33 ratings, while SUM! Planets averages 5.0 from 1 ratings.

### Do Sum Fun or SUM! Planets have ads?

Sum Fun shows ads; SUM! Planets does not.

### Which is updated more often, Sum Fun or SUM! Planets?

Sum Fun ships an update weekly, and SUM! Planets daily. Most recently, Sum Fun 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.*