# Stack and Sort vs Bullet Engineer

The clearest difference is update cadence: Bullet Engineer at weekly against Stack and Sort's every 9 months. Stack and Sort's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, ads 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.

Stack and Sort ships an update every 9 months, Bullet Engineer weekly. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Stack and Sort | Bullet Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 122 MB | 11 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gameyogi Private Limited](https://appshunter.io/developer/1718176366) | [Ibrahim Al-Dossrai](https://appshunter.io/developer/6788150418) |

## What reviewers say

### Stack and Sort

[App page](https://appshunter.io/ios/app/stack-and-sort-color-puzzle/id6529530947)

Engage in a vibrant color sorting puzzle game. Strategically stack and sort colors, utilizing power-ups to overcome obstacles and solve hundreds of increasingly challenging levels. Enjoy a relaxing yet mentally stimulating experience.

**Highlights:** Color sorting gameplay, Hammer, Paint, and Bomb power-ups, Hundreds of challenging levels, Dynamic and surprising grid layouts, Unlockable vibrant themes, Increasing difficulty progression

**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 Stack and Sort free?

Stack and Sort 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 Stack and Sort or Bullet Engineer have ads?

Both Stack and Sort and Bullet Engineer show ads.

### Which is updated more often, Stack and Sort or Bullet Engineer?

Stack and Sort ships an update every 9 months, and Bullet Engineer weekly. Most recently, Stack and Sort was updated on September 27, 2026 and Bullet Engineer on September 26, 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.*