# 66智修 vs 浙江CA互认

The clearest difference is update cadence: 66智修 at every 5 days against 浙江CA互认's every 7 months. 浙江CA互认's advantage is iOS requirement (9.2 vs 15.6). 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.

66智修 ships an update every 5 days, 浙江CA互认 every 7 months. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 66智修 | 浙江CA互认 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 7 months |
| Size | 143 MB | 97 MB |
| Requires iOS | 15.6 | **9.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zhi Chen Network Technology](https://appshunter.io/developer/1423019270) | [Zhejiang public resources trading center](https://appshunter.io/developer/1583677802) |

## What reviewers say

### 66智修

[App page](https://appshunter.io/ios/app/66/id1444248925)

**In-app purchases:** none


### 浙江CA互认

[App page](https://appshunter.io/ios/app/ca/id1583677800)

**In-app purchases:** none


## Frequently asked questions

### Is 66智修 free?

66智修 is free to download, with no in-app purchases.

### Is 浙江CA互认 free?

浙江CA互认 is free to download, with no in-app purchases.

### Do 66智修 or 浙江CA互认 have ads?

Neither 66智修 nor 浙江CA互认 shows ads.

### Which is updated more often, 66智修 or 浙江CA互认?

66智修 ships an update every 5 days, and 浙江CA互认 every 7 months. Most recently, 66智修 was updated on September 12, 2026 and 浙江CA互认 on September 9, 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.*