# PDMreader vs 硬件狗狗

The clearest difference is price: 硬件狗狗 at Free against PDMreader's $1.99. 硬件狗狗 also leads on update cadence (every 4 months vs every 39 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

硬件狗狗 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, 硬件狗狗 every 4 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PDMreader | 硬件狗狗 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 4 months** |
| Size | 1 MB | 44 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鹏 王](https://appshunter.io/developer/1503881516) | [Zhengzhou Hengkuai Info-Tech Co., Ltd.](https://appshunter.io/developer/1447208169) |

## What reviewers say

### PDMreader

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 硬件狗狗

[App page](https://appshunter.io/ios/app/id1514103848)

**In-app purchases:** none


## Frequently asked questions

### Is PDMreader free?

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

### Is 硬件狗狗 free?

硬件狗狗 is free to download, with no in-app purchases.

### Do PDMreader or 硬件狗狗 have ads?

Neither PDMreader nor 硬件狗狗 shows ads.

### Which is updated more often, PDMreader or 硬件狗狗?

PDMreader ships an update every 39 months, and 硬件狗狗 every 4 months. Most recently, PDMreader was updated on October 3, 2026 and 硬件狗狗 on October 7, 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.*