# Gem Painting vs Bullet Engineer

The clearest difference is ads: Gem Painting at none against Bullet Engineer's shown. Gem Painting also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gem Painting ships an update every 4 days, Bullet Engineer weekly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Gem Painting | Bullet Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (50 ratings)](https://appshunter.io/ios/app/gem-painting/id6772512507/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free | — |
| Size | 91 MB | 11 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [婷 张](https://appshunter.io/developer/1858748531) | [Ibrahim Al-Dossrai](https://appshunter.io/developer/6788150418) |

## What reviewers say

### Gem Painting

[App page](https://appshunter.io/ios/app/gem-painting/id6772512507)

A relaxing puzzle game where you place colorful gems to match patterns and complete boards. Enjoy hundreds of handcrafted levels with simple controls and calming audio. Perfect for unwinding at your own pace.

**Highlights:** Colorful gem-placement puzzle gameplay, Hundreds of handcrafted levels, Simple tap-and-place controls, Helpful tools for tricky boards, Calm music and satisfying sound effects, Play at your own pace

**Features:** macOS Compatibility

**In-app purchases:** none


### Bullet Engineer

[App page](https://appshunter.io/ios/app/bullet-engineer/id6788150416)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gem Painting free?

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

### Is Bullet Engineer free?

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

### Do Gem Painting or Bullet Engineer have ads?

Bullet Engineer shows ads; Gem Painting does not.

### Which is updated more often, Gem Painting or Bullet Engineer?

Gem Painting ships an update every 4 days, and Bullet Engineer weekly. Most recently, Gem Painting was updated on October 31, 2026 and Bullet Engineer on November 10, 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.*