# Color Sort 3D vs PG Mahjong

The clearest difference is in-app purchases: PG Mahjong at none against Color Sort 3D's 10. PG Mahjong also leads on update cadence (every 9 days vs every 6 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Color Sort 3D sells 10 one-off in-app purchases. PG Mahjong asks for nothing beyond the download.

Color Sort 3D ships an update every 6 months, PG Mahjong every 9 days. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Color Sort 3D | PG Mahjong |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 9 days** |
| Size | 115 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calm Game Studio](https://appshunter.io/developer/1650561947) | [Celtic Wards, LLC](https://appshunter.io/developer/1219544143) |

## What reviewers say

### Color Sort 3D

[App page](https://appshunter.io/ios/app/color-sort-3d-calm-sorting/id1672841617)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 coins | $0.99 | one-time |
| 200 coins | $1.99 | one-time |
| 500 coins | $4.99 | one-time |
| Remove Ads | $5.99 | one-time |
| 800 coins | $7.99 | one-time |
| 1300 coins | $12.99 | one-time |
| 4000 coins | $39.99 | one-time |
| 6000 coins | $59.99 | one-time |
| 8000 coins | $79.99 | one-time |
| 10000 coins | $99.99 | one-time |


### PG Mahjong

[App page](https://appshunter.io/ios/app/pg-mahjong/id6755306573)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Color Sort 3D free?

Color Sort 3D is free to download, with in-app purchases available.

### Is PG Mahjong free?

PG Mahjong is free to download, with no in-app purchases.

### Do Color Sort 3D or PG Mahjong have ads?

Both Color Sort 3D and PG Mahjong show ads.

### Which is updated more often, Color Sort 3D or PG Mahjong?

Color Sort 3D ships an update every 6 months, and PG Mahjong every 9 days. Most recently, Color Sort 3D was updated on October 8, 2026 and PG Mahjong on October 16, 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.*