# 精诚云证 vs 掌上存

The clearest difference is update cadence: 掌上存 at every 3 weeks against 精诚云证's every 6 weeks. 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.

精诚云证 ships an update every 6 weeks, 掌上存 every 3 weeks. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 精诚云证 | 掌上存 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 49 MB | 71 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BEIJING CAPITAL NOTARY PUBLIC OFFICE](https://appshunter.io/developer/1645455892) | [Faxingongzhengyun (Xiamen) Science and Technology Ltd](https://appshunter.io/developer/982181129) |

## What reviewers say

### 精诚云证

[App page](https://appshunter.io/ios/app/id1645455890)

**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 精诚云证 free?

精诚云证 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 精诚云证 or 掌上存 have ads?

Neither 精诚云证 nor 掌上存 shows ads.

### Which is updated more often, 精诚云证 or 掌上存?

精诚云证 ships an update every 6 weeks, and 掌上存 every 3 weeks. Most recently, 精诚云证 was updated on November 7, 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.*