# U鱼 vs 正大水产CRM

The clearest difference is iOS requirement: U鱼 at 10.0 against 正大水产CRM's 12.0. On price, update cadence, ads 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.

U鱼 ships an update every 6 weeks, 正大水产CRM every 4 weeks. The most recent releases landed on September 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | U鱼 | 正大水产CRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Size | 85 MB | 46 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UYU (Guangzhou) Technology Co., Ltd.](https://appshunter.io/developer/1271256766) | [Yichang Chia Tai Breeding Technology Service Co., Ltd.](https://appshunter.io/developer/1529214094) |

## What reviewers say

### U鱼

[App page](https://appshunter.io/ios/app/u/id1271256767)

**Features:** macOS Compatibility

**In-app purchases:** none


### 正大水产CRM

[App page](https://appshunter.io/ios/app/crm/id1635516793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U鱼 free?

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

### Is 正大水产CRM free?

正大水产CRM is free to download, with no in-app purchases.

### Do U鱼 or 正大水产CRM have ads?

Neither U鱼 nor 正大水产CRM shows ads.

### Which is updated more often, U鱼 or 正大水产CRM?

U鱼 ships an update every 6 weeks, and 正大水产CRM every 4 weeks. Most recently, U鱼 was updated on September 24, 2026 and 正大水产CRM on October 6, 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.*