# 不渝 vs 极省Pro

The clearest difference is update cadence: 不渝 at every 9 days against 极省Pro's monthly. On price, ads, 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.

不渝 ships an update every 9 days, 极省Pro monthly. The most recent releases landed on September 26, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 不渝 | 极省Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Size | 101 MB | 344 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Nanning Tanwate network technology Co., Ltd](https://appshunter.io/developer/1533926828) | [Chongqing Zhijing Technology Co., Ltd](https://appshunter.io/developer/1517539321) |

## What reviewers say

### 不渝

[App page](https://appshunter.io/ios/app/app/id1638447031)

**Features:** macOS Compatibility

**In-app purchases:** none


### 极省Pro

[App page](https://appshunter.io/ios/app/pro/id1658540373)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 不渝 free?

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

### Is 极省Pro free?

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

### Do 不渝 or 极省Pro have ads?

Neither 不渝 nor 极省Pro shows ads.

### Which is updated more often, 不渝 or 极省Pro?

不渝 ships an update every 9 days, and 极省Pro monthly. Most recently, 不渝 was updated on September 26, 2026 and 极省Pro on October 11, 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.*