# Sum Fun vs 8x7 Kevin

The clearest difference is ads: 8x7 Kevin at none against Sum Fun's shown. 8x7 Kevin also leads on iOS requirement (12.0 vs 15.0). Sum Fun's advantage is update cadence (every 11 days vs every 3 months). 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 Fun ships an update every 11 days, 8x7 Kevin every 3 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Sum Fun | 8x7 Kevin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (33 ratings)](https://appshunter.io/ios/app/sum-fun/id817544892/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 183 MB | 9 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Sharpe](https://appshunter.io/developer/817544895) | [Marie Berlioz](https://appshunter.io/developer/1429810527) |

## 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


### 8x7 Kevin

[App page](https://appshunter.io/ios/app/8x7-kevin/id1455724836)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sum Fun free?

Sum Fun is free to download, with no in-app purchases.

### Is 8x7 Kevin free?

8x7 Kevin is free to download, with no in-app purchases.

### Do Sum Fun or 8x7 Kevin have ads?

Sum Fun shows ads; 8x7 Kevin does not.

### Which is updated more often, Sum Fun or 8x7 Kevin?

Sum Fun ships an update every 11 days, and 8x7 Kevin every 3 months. Most recently, Sum Fun was updated on October 29, 2026 and 8x7 Kevin on October 26, 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.*