# Mahjong Haven vs SUM

The clearest difference is ads: SUM at none against Mahjong Haven's shown. SUM also leads on update cadence (every 3 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Mahjong Haven sells 1 one-off in-app purchase and SUM sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mahjong Haven ships an update every 5 weeks, SUM every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mahjong Haven | SUM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 47 MB | 110 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Milad Atef](https://appshunter.io/developer/1886566418) | [Alex van Rooijen](https://appshunter.io/developer/1874390384) |

## What reviewers say

### Mahjong Haven

[App page](https://appshunter.io/ios/app/mahjong-haven-tile-match/id6780047103)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $7.99 | one-time |


### SUM

[App page](https://appshunter.io/ios/app/sum-quiet-math-puzzles/id6804407416)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUM Premium | $3.99 | one-time |


## Frequently asked questions

### Is Mahjong Haven free?

Mahjong Haven is free to download, with in-app purchases available.

### Is SUM free?

SUM is free to download, with in-app purchases available.

### Do Mahjong Haven or SUM have ads?

Mahjong Haven shows ads; SUM does not.

### Which is updated more often, Mahjong Haven or SUM?

Mahjong Haven ships an update every 5 weeks, and SUM every 3 days. Most recently, Mahjong Haven was updated on October 25, 2026 and SUM on October 31, 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.*