# 典证 vs 掌上存

The clearest difference is update cadence: 掌上存 at every 3 weeks against 典证's every 11 months. 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, 掌上存 every 3 weeks. The most recent releases landed on October 30, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 典证 | 掌上存 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Size | 33 MB | 71 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [安徽省池州市九华公证处](https://appshunter.io/developer/1600647805) | [Faxingongzhengyun (Xiamen) Science and Technology Ltd](https://appshunter.io/developer/982181129) |

## What reviewers say

### 典证

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 掌上存

[App page](https://appshunter.io/ios/app/id6476261569)

**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 掌上存 free?

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

### Do 典证 or 掌上存 have ads?

Neither 典证 nor 掌上存 shows ads.

### Which is updated more often, 典证 or 掌上存?

典证 ships an update every 11 months, and 掌上存 every 3 weeks. Most recently, 典证 was updated on October 30, 2026 and 掌上存 on November 12, 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.*