# PP论文查重 vs 写作机器人

The clearest difference is ads: PP论文查重 at none against 写作机器人's shown. PP论文查重 also leads on iOS requirement (11.0 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PP论文查重 sells 4 one-off in-app purchases and 写作机器人 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PP论文查重 | 写作机器人 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/id1622540653/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 65.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 42 MB | 31 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [北京知风科技有限公司](https://appshunter.io/developer/1548901903) | [方元 朱](https://appshunter.io/developer/468596269) |

## What reviewers say

### PP论文查重

[App page](https://appshunter.io/ios/app/pp/id1548901901)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 论文服务费用 | $49.99 | one-time |
| 论文服务费用 | $59.99 | one-time |
| 论文服务费用 | $69.99 | one-time |
| 论文服务费用 | $79.99 | one-time |


### 写作机器人

[App page](https://appshunter.io/ios/app/id1622540653)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 写作机器人-移除广告 | $7.99 | one-time |


## Frequently asked questions

### Is PP论文查重 free?

PP论文查重 is free to download, with in-app purchases available.

### Is 写作机器人 free?

写作机器人 is free to download, with in-app purchases available.

### Do PP论文查重 or 写作机器人 have ads?

写作机器人 shows ads; PP论文查重 does not.

### Which is updated more often, PP论文查重 or 写作机器人?

PP论文查重 ships an update every 3 weeks, and 写作机器人 every 3 weeks. Most recently, PP论文查重 was updated on October 5, 2026 and 写作机器人 on October 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.*