# 公证取证 vs e维通达

The clearest difference is update cadence: e维通达 at every 2 weeks against 公证取证's every 2 months. 公证取证's advantage is iOS requirement (12.0 vs 14.0). 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.

公证取证 ships an update every 2 months, e维通达 every 2 weeks. The most recent releases landed on May 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 公证取证 | e维通达 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 47 MB | 103 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Municipality Fangyuan Public Notary Office](https://appshunter.io/developer/1076251129) | [Chengdu Fulimeng Environmental Protection Big Data Co., Ltd.](https://appshunter.io/developer/1435884795) |

## What reviewers say

### 公证取证

[App page](https://appshunter.io/ios/app/id1517521359)

**Features:** macOS Compatibility

**In-app purchases:** none


### e维通达

[App page](https://appshunter.io/ios/app/e/id6505058206)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 公证取证 free?

公证取证 is free to download, with no in-app purchases.

### Is e维通达 free?

e维通达 is free to download, with no in-app purchases.

### Do 公证取证 or e维通达 have ads?

Neither 公证取证 nor e维通达 shows ads.

### Which is updated more often, 公证取证 or e维通达?

公证取证 ships an update every 2 months, and e维通达 every 2 weeks. Most recently, 公证取证 was updated on May 22, 2026 and e维通达 on September 17, 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.*