# KeyItem vs Puyo!Push Brain

The clearest difference is price: KeyItem at Free against Puyo!Push Brain's $0.99. KeyItem also leads on ads (none vs shown) and update cadence (every 11 days vs monthly). Puyo!Push Brain's advantage is iOS requirement (12.0 vs 15.0). On in-app purchases and device support there is nothing between them.

KeyItem is free to download; Puyo!Push Brain costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KeyItem ships an update every 11 days, Puyo!Push Brain monthly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | KeyItem | Puyo!Push Brain |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Monthly |
| Size | 979 MB | 48 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUL Foundation](https://appshunter.io/developer/1809368563) | [昶燎 张](https://appshunter.io/developer/399224946) |

## What reviewers say

### KeyItem

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Puyo!Push Brain

[App page](https://appshunter.io/ios/app/puyopush-brain/id6478189477)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KeyItem free?

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

### Is Puyo!Push Brain free?

Puyo!Push Brain costs $0.99, with no in-app purchases.

### Do KeyItem or Puyo!Push Brain have ads?

Puyo!Push Brain shows ads; KeyItem does not.

### Which is updated more often, KeyItem or Puyo!Push Brain?

KeyItem ships an update every 11 days, and Puyo!Push Brain monthly. Most recently, KeyItem was updated on November 7, 2026 and Puyo!Push Brain on November 8, 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.*