# 公证员版 vs itimestamps

The clearest difference is update cadence: 公证员版 at monthly against itimestamps's every 17 months. 公证员版 also leads on iOS requirement (12.0 vs 16.4). 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.

公证员版 ships an update monthly, itimestamps every 17 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 公证员版 | itimestamps |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 17 months |
| Size | 73 MB | 1 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Faxingongzhengyun (Xiamen) Science and Technology Ltd](https://appshunter.io/developer/982181129) | [昌阳 王](https://appshunter.io/developer/1161690316) |

## What reviewers say

### 公证员版

[App page](https://appshunter.io/ios/app/id1546972629)

**Features:** macOS Compatibility

**In-app purchases:** none


### itimestamps

[App page](https://appshunter.io/ios/app/itimestamps/id6449165161)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 公证员版 free?

公证员版 is free to download, with no in-app purchases.

### Is itimestamps free?

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

### Do 公证员版 or itimestamps have ads?

Neither 公证员版 nor itimestamps shows ads.

### Which is updated more often, 公证员版 or itimestamps?

公证员版 ships an update monthly, and itimestamps every 17 months. Most recently, 公证员版 was updated on October 27, 2026 and itimestamps on October 25, 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.*