# Gem Mining Robot vs Hey Sudoku

The clearest difference is in-app purchases: Hey Sudoku at none against Gem Mining Robot's 5. Hey Sudoku also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

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

## The numbers

| Metric | Gem Mining Robot | Hey Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Size | 8 MB | 83 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AOBO Co.,Ltd](https://appshunter.io/developer/310846199) | [德鹏 焦](https://appshunter.io/developer/1786385748) |

## 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 |


### Hey Sudoku

[App page](https://appshunter.io/ios/app/hey-sudoku/id6740020073)

**Features:** macOS Compatibility, 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 Hey Sudoku free?

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

### Do Gem Mining Robot or Hey Sudoku have ads?

Gem Mining Robot shows ads; Hey Sudoku does not.

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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.*