# Gem Mining Robot vs Mahjong

The clearest difference is in-app purchases: Mahjong at none against Gem Mining Robot's 5. Mahjong also leads on update cadence (every 2 weeks vs every 5 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Gem Mining Robot sells 5 one-off in-app purchases. Mahjong asks for nothing beyond the download.

Gem Mining Robot ships an update every 5 weeks, Mahjong every 2 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Gem Mining Robot | Mahjong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (69 ratings)](https://appshunter.io/ios/app/mahjong-match-puzzle/id6738773516/reviews)** |
| Number of ratings | — | **69** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 8 MB | 272 MB |
| Requires iOS | 17.6 | **15.3** |
| Devices | iPhone, Mac | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [AOBO Co.,Ltd](https://appshunter.io/developer/310846199) | [Gosiha Pte. Ltd](https://appshunter.io/developer/1452132143) |

## What reviewers say

### Gem Mining Robot

[App page](https://appshunter.io/ios/app/gem-mining-robot/id6705123550)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level 2 | $0.99 | one-time |
| Level 3 | $0.99 | one-time |
| Level 4 | $0.99 | one-time |
| Level 5 | $0.99 | one-time |
| Level 6 | $0.99 | one-time |


### Mahjong

[App page](https://appshunter.io/ios/app/mahjong-match-puzzle/id6738773516)

Engage in a relaxing Mahjong puzzle experience with a mysterious anime girl. Match identical tiles to clear the board, avoid blocked pieces, and aim for combos. Enjoy the calming atmosphere with rainy sounds and lo-fi music, playable on your smartwatch.

**Highlights:** Match 2 identical Mahjong pieces, Match any 2 pieces of the same set, Avoid blocked pieces, Create combos, Chill with rainy sounds and lo-fi music, Playable on smartwatch

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Gem Mining Robot free?

Gem Mining Robot is free to download, with in-app purchases available.

### Is Mahjong free?

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

### Do Gem Mining Robot or Mahjong have ads?

Both Gem Mining Robot and Mahjong show ads.

### Which is updated more often, Gem Mining Robot or Mahjong?

Gem Mining Robot ships an update every 5 weeks, and Mahjong every 2 weeks. Most recently, Gem Mining Robot was updated on October 8, 2026 and Mahjong on October 24, 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.*