# KeyItem vs Stack Fighters

The clearest difference is update cadence: Stack Fighters at daily against KeyItem's every 11 days. KeyItem's advantage is device support (3 vs 1) and iOS requirement (15.0 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.

KeyItem ships an update every 11 days, Stack Fighters daily. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | KeyItem | Stack Fighters |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Daily** |
| Size | 979 MB | 715 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YUL Foundation](https://appshunter.io/developer/1809368563) | [Suwitcha Sugthana](https://appshunter.io/developer/372726303) |

## What reviewers say

### KeyItem

[App page](https://appshunter.io/ios/app/keyitem/id6467468587)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Fighters

[App page](https://appshunter.io/ios/app/stack-fighters-puzzle-battle/id6762288266)

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

**In-app purchases:** none


## Frequently asked questions

### Is KeyItem free?

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

### Is Stack Fighters free?

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

### Do KeyItem or Stack Fighters have ads?

Neither KeyItem nor Stack Fighters shows ads.

### Which is updated more often, KeyItem or Stack Fighters?

KeyItem ships an update every 11 days, and Stack Fighters daily. Most recently, KeyItem was updated on October 6, 2026 and Stack Fighters on October 3, 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.*