# C1商城版 vs Eyf客户端

The clearest difference is update cadence: Eyf客户端 at fortnightly against C1商城版's every 4 months. C1商城版's advantage is iOS requirement (9.1 vs 12.0). 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.

C1商城版 ships an update every 4 months, Eyf客户端 fortnightly. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | C1商城版 | Eyf客户端 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 32 MB | 60 MB |
| Requires iOS | **9.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [成都卓越精算软件有限责任公司](https://appshunter.io/developer/956471665) | [EYF软件服务商](https://appshunter.io/developer/1594546121) |

## What reviewers say

### C1商城版

[App page](https://appshunter.io/ios/app/c1/id1575680354)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eyf客户端

[App page](https://appshunter.io/ios/app/eyf/id1594546119)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C1商城版 free?

C1商城版 is free to download, with no in-app purchases.

### Is Eyf客户端 free?

Eyf客户端 is free to download, with no in-app purchases.

### Do C1商城版 or Eyf客户端 have ads?

Neither C1商城版 nor Eyf客户端 shows ads.

### Which is updated more often, C1商城版 or Eyf客户端?

C1商城版 ships an update every 4 months, and Eyf客户端 fortnightly. Most recently, C1商城版 was updated on October 11, 2026 and Eyf客户端 on October 10, 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.*