# MahjongDiary vs compounds

The clearest difference is ads: compounds at none against MahjongDiary's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. MahjongDiary sells 1 in-app purchase, starting at $0.99 per month and compounds sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MahjongDiary ships an update every 4 days, compounds weekly. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | MahjongDiary | compounds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Size | 26 MB | 10 MB |
| Requires iOS | **17.6** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daichi Itokazu](https://appshunter.io/developer/1781440822) | [Kenta Fujiwara](https://appshunter.io/developer/1844162734) |

## What reviewers say

### MahjongDiary

[App page](https://appshunter.io/ios/app/mahjongdiary/id6741926344)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $0.99 | per month |


### compounds

[App page](https://appshunter.io/ios/app/compounds/id6754517691)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | one-time |


## Frequently asked questions

### Is MahjongDiary free?

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

### Is compounds free?

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

### Do MahjongDiary or compounds have ads?

MahjongDiary shows ads; compounds does not.

### Which is updated more often, MahjongDiary or compounds?

MahjongDiary ships an update every 4 days, and compounds weekly. Most recently, MahjongDiary was updated on October 11, 2026 and compounds 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.*