# Gem Mining Robot vs Specimen86

The clearest difference is in-app purchases: Specimen86 at none against Gem Mining Robot's 5. Specimen86 also leads on update cadence (every 6 days vs every 5 weeks) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Gem Mining Robot sells 5 one-off in-app purchases. Specimen86 asks for nothing beyond the download.

Gem Mining Robot ships an update every 5 weeks, Specimen86 every 6 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Gem Mining Robot | Specimen86 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Size | 8 MB | 302 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [AOBO Co.,Ltd](https://appshunter.io/developer/310846199) | [SAYACHI-MARU GAMES](https://appshunter.io/developer/1809076905) |

## 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 |


### Specimen86

[App page](https://appshunter.io/ios/app/specimen86/id6754185315)

**Features:** macOS Compatibility

**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 Specimen86 free?

Specimen86 is free to download, with no in-app purchases.

### Do Gem Mining Robot or Specimen86 have ads?

Both Gem Mining Robot and Specimen86 show ads.

### Which is updated more often, Gem Mining Robot or Specimen86?

Gem Mining Robot ships an update every 5 weeks, and Specimen86 every 6 days. Most recently, Gem Mining Robot was updated on October 8, 2026 and Specimen86 on October 1, 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.*