# HeartShelf vs Uchiaru?

The clearest difference is ads: HeartShelf at none against Uchiaru?'s shown. Uchiaru?'s advantage is update cadence (every 3 days vs every 6 months) and iOS requirement (16.0 vs 18.5). On price, in-app purchases and device support there is nothing between them.

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

HeartShelf ships an update every 6 months, Uchiaru? every 3 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | HeartShelf | Uchiaru? |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 days** |
| Size | 24 MB | 55 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [KEISUKE MAEGAWA](https://appshunter.io/developer/1748575397) | [Hirokazu Nakamura](https://appshunter.io/developer/1896769319) |

## What reviewers say

### HeartShelf

[App page](https://appshunter.io/ios/app/heartshelf/id6752114329)

**Features:** macOS Compatibility

**In-app purchases:** none


### Uchiaru?

[App page](https://appshunter.io/ios/app/uchiaru/id6771027678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeartShelf free?

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

### Is Uchiaru? free?

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

### Do HeartShelf or Uchiaru? have ads?

Uchiaru? shows ads; HeartShelf does not.

### Which is updated more often, HeartShelf or Uchiaru??

HeartShelf ships an update every 6 months, and Uchiaru? every 3 days. Most recently, HeartShelf was updated on October 16, 2026 and Uchiaru? on October 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.*