# 上海市张江公证处易存手机取证app vs 易存链

The clearest difference is iOS requirement: 上海市张江公证处易存手机取证app at 10.0 against 易存链's 13.0. 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.

上海市张江公证处易存手机取证app ships an update every 4 weeks, 易存链 every 3 weeks. The most recent releases landed on September 23, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | 上海市张江公证处易存手机取证app | 易存链 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Size | 29 MB | 121 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Zhangjiang Notary Public Office](https://appshunter.io/developer/1519736701) | [南京市石城公证处](https://appshunter.io/developer/1691683811) |

## What reviewers say

### 上海市张江公证处易存手机取证app

[App page](https://appshunter.io/ios/app/app/id1519736699)

**In-app purchases:** none


### 易存链

[App page](https://appshunter.io/ios/app/id6450036548)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 上海市张江公证处易存手机取证app free?

上海市张江公证处易存手机取证app is free to download, with no in-app purchases.

### Is 易存链 free?

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

### Do 上海市张江公证处易存手机取证app or 易存链 have ads?

Neither 上海市张江公证处易存手机取证app nor 易存链 shows ads.

### Which is updated more often, 上海市张江公证处易存手机取证app or 易存链?

上海市张江公证处易存手机取证app ships an update every 4 weeks, and 易存链 every 3 weeks. Most recently, 上海市张江公证处易存手机取证app was updated on September 23, 2026 and 易存链 on May 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.*