# 典证 vs 勤学老师端

The clearest difference is update cadence: 勤学老师端 at every 9 days against 典证's every 11 months. 典证's advantage is iOS requirement (13.0 vs 15.0). 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.

典证 ships an update every 11 months, 勤学老师端 every 9 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 典证 | 勤学老师端 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/id6479386119/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 9 days** |
| Size | 33 MB | 359 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [安徽省池州市九华公证处](https://appshunter.io/developer/1600647805) | [勤学云(上海)科技有限公司](https://appshunter.io/developer/1896505188) |

## What reviewers say

### 典证

[App page](https://appshunter.io/ios/app/id6474171017)

**Features:** macOS Compatibility

**In-app purchases:** none


### 勤学老师端

[App page](https://appshunter.io/ios/app/id6479386119)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 典证 free?

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

### Is 勤学老师端 free?

勤学老师端 is free to download, with no in-app purchases.

### Do 典证 or 勤学老师端 have ads?

Neither 典证 nor 勤学老师端 shows ads.

### Which is updated more often, 典证 or 勤学老师端?

典证 ships an update every 11 months, and 勤学老师端 every 9 days. Most recently, 典证 was updated on October 30, 2026 and 勤学老师端 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.*