# PDMreader vs 365移动签

The clearest difference is price: 365移动签 at Free against PDMreader's $1.99. 365移动签 also leads on update cadence (every 13 months vs every 39 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

365移动签 is free to download; PDMreader costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDMreader ships an update every 39 months, 365移动签 every 13 months. The most recent releases landed on October 3, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | PDMreader | 365移动签 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 13 months** |
| Size | 1 MB | 29 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鹏 王](https://appshunter.io/developer/1503881516) | [Shanghai Electronic Certificate Authority Center Co.,LTD](https://appshunter.io/developer/924307388) |

## What reviewers say

### PDMreader

[App page](https://appshunter.io/ios/app/pdmreader/id1503897575)

**Features:** macOS Compatibility

**In-app purchases:** none


### 365移动签

[App page](https://appshunter.io/ios/app/365/id1635497469)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDMreader free?

PDMreader costs $1.99, with no in-app purchases.

### Is 365移动签 free?

365移动签 is free to download, with no in-app purchases.

### Do PDMreader or 365移动签 have ads?

Neither PDMreader nor 365移动签 shows ads.

### Which is updated more often, PDMreader or 365移动签?

PDMreader ships an update every 39 months, and 365移动签 every 13 months. Most recently, PDMreader was updated on October 3, 2026 and 365移动签 on September 14, 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.*