# 渡鳥 vs ONNI

The clearest difference is ads: 渡鳥 at none against ONNI's shown. 渡鳥 also leads on iOS requirement (12.0 vs 16.4). ONNI's advantage is update cadence (every 5 weeks vs every 23 months). 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.

渡鳥 ships an update every 23 months, ONNI every 5 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 渡鳥 | ONNI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Every 5 weeks** |
| Size | 44 MB | 71 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Leapfrog-Inc](https://appshunter.io/developer/1388782828) | [株式会社リンクミー](https://appshunter.io/developer/1809752999) |

## What reviewers say

### 渡鳥

[App page](https://appshunter.io/ios/app/id1625791111)

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

**In-app purchases:** none


### ONNI

[App page](https://appshunter.io/ios/app/onni/id6744888461)

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

**In-app purchases:** none


## Frequently asked questions

### Is 渡鳥 free?

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

### Is ONNI free?

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

### Do 渡鳥 or ONNI have ads?

ONNI shows ads; 渡鳥 does not.

### Which is updated more often, 渡鳥 or ONNI?

渡鳥 ships an update every 23 months, and ONNI every 5 weeks. Most recently, 渡鳥 was updated on October 25, 2026 and ONNI on October 30, 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.*