# Chromatic Gem vs Gem Mining Robot

The clearest difference is in-app purchases: Chromatic Gem at none against Gem Mining Robot's 5. Chromatic Gem also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.6). Gem Mining Robot's advantage is update cadence (every 5 weeks vs every 30 months). 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. Chromatic Gem asks for nothing beyond the download.

Chromatic Gem ships an update every 30 months, Gem Mining Robot every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Chromatic Gem | Gem Mining Robot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 30 months | **Every 5 weeks** |
| Size | 7 MB | 8 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [灿标 朱](https://appshunter.io/developer/1246437769) | [AOBO Co.,Ltd](https://appshunter.io/developer/310846199) |

## What reviewers say

### Chromatic Gem

[App page](https://appshunter.io/ios/app/chromatic-gem/id1546827265)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Chromatic Gem free?

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

### Is Gem Mining Robot free?

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

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

Gem Mining Robot shows ads; Chromatic Gem does not.

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

Chromatic Gem ships an update every 30 months, and Gem Mining Robot every 5 weeks. Most recently, Chromatic Gem was updated on November 3, 2026 and Gem Mining Robot on November 4, 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.*