# 吾爱吾牙 vs RegenOS

The clearest difference is update cadence: 吾爱吾牙 at fortnightly against RegenOS's every 16 months. 吾爱吾牙 also leads on device support and iOS requirement (10.0 vs 14.0). On price 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.

吾爱吾牙 ships an update fortnightly, RegenOS every 16 months. The most recent releases landed on September 9, 2026 and May 13, 2026 respectively.

## The numbers

| Metric | 吾爱吾牙 | RegenOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Fortnightly** | Every 16 months |
| Size | 37 MB | 71 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 12+ | 17+ |
| Developer | [Arrail Dental (beijing) Co., Ltd.](https://appshunter.io/developer/1422970173) | [Beijing Meilan Zhida Technology Co., Ltd](https://appshunter.io/developer/1649076603) |

## What reviewers say

### 吾爱吾牙

[App page](https://appshunter.io/ios/app/id1507348001)

**Features:** macOS Compatibility

**In-app purchases:** none


### RegenOS

[App page](https://appshunter.io/ios/app/regenos/id6462980290)

**In-app purchases:** none


## Frequently asked questions

### Is 吾爱吾牙 free?

吾爱吾牙 is free to download, with no in-app purchases.

### Is RegenOS free?

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

### Which is updated more often, 吾爱吾牙 or RegenOS?

吾爱吾牙 ships an update fortnightly, and RegenOS every 16 months. Most recently, 吾爱吾牙 was updated on September 9, 2026 and RegenOS on May 13, 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.*