# 后湾 vs Umi

The clearest difference is update cadence: 后湾 at every 2 days against Umi's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 后湾 sells 3 in-app purchases, starting at $2.99 per 7 days and Umi sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

后湾 ships an update every 2 days, Umi every 5 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | 后湾 | Umi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 110 MB | 60 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Jiangyu Technologies](https://appshunter.io/developer/1657976686) | [贵州柚米科技有限公司](https://appshunter.io/developer/1895140874) |

## What reviewers say

### 后湾

[App page](https://appshunter.io/ios/app/id1663608485)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1周 | $2.99 | per 7 days |
| 1个月 | $7.99 | per month |
| 3个月 | $19.99 | per 3 months |


### Umi

[App page](https://appshunter.io/ios/app/umi/id6763055704)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| umi币充值 | $0.99 | one-time |
| umi币充值 | $1.99 | one-time |
| umi币充值 | $3.99 | one-time |
| umi币充值 | $6.99 | one-time |
| umi币充值 | $14.99 | one-time |
| umi币充值 | $24.99 | one-time |
| umi币充值 | $59.99 | one-time |
| umi币充值 | $79.99 | one-time |
| umi币充值 | $99.99 | one-time |


## Frequently asked questions

### Is 后湾 free?

后湾 is free to download, with in-app purchases available.

### Is Umi free?

Umi is free to download, with in-app purchases available.

### Do 后湾 or Umi have ads?

Neither 后湾 nor Umi shows ads.

### Which is updated more often, 后湾 or Umi?

后湾 ships an update every 2 days, and Umi every 5 days. Most recently, 后湾 was updated on October 25, 2026 and Umi on October 25, 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.*