# 51论文查重 vs 论文君

The clearest difference is rating: 51论文查重 at 5.0 against 论文君's 3.8. 51论文查重 also leads on update cadence (fortnightly vs every 5 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. 51论文查重 sells 10 one-off in-app purchases and 论文君 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

51论文查重 holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

51论文查重 ships an update fortnightly, 论文君 every 5 weeks. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 51论文查重 | 论文君 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/51/id1497273923/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/paperpass/id1611521216/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 25 MB | 8 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Jiangao Technology Co., Ltd.](https://appshunter.io/developer/1497273922) | [Beijing Weiyi Trading Co., Ltd](https://appshunter.io/developer/1556574052) |

## What reviewers say

### 51论文查重

[App page](https://appshunter.io/ios/app/51/id1497273923)

This app helps students and academics check their papers for plagiarism. It offers fast and accurate detection against a vast database, assisting with revisions to improve acceptance rates for various academic works.

**Highlights:** Plagiarism detection, Paper revision assistance, Extensive comparison database, Fast and accurate results, Supports various academic paper types, Improves paper acceptance rates

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 论文查重12元/篇 | $1.99 | one-time |
| 论文降重93元 | $13.99 | one-time |
| 论文降重98元 | $14.99 | one-time |
| 论文降重108元 | $15.99 | one-time |
| 论文降重113元 | $16.99 | one-time |
| 论文降重118元 | $17.99 | one-time |
| 论文降重123元 | $18.99 | one-time |
| 论文降重128元 | $19.99 | one-time |
| 论文降重138元 | $20.99 | one-time |
| 论文降重148元 | $21.99 | one-time |


### 论文君

[App page](https://appshunter.io/ios/app/paperpass/id1611521216)

This tool helps students check their academic papers for plagiarism and offers AI-powered rewriting to reduce similarity. It also provides professional templates for thesis proposals and defenses, aiming to increase paper acceptance rates.

**Highlights:** Plagiarism detection against multiple databases, AI-powered text rewriting for similarity reduction, Preview and download similarity reports, Thesis proposal and defense PPT templates, Professional and secure academic services

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 单次查重 | $0.99 | one-time |
| 单次降重 | $0.99 | one-time |
| 月VIP | $3.99 | one-time |
| 单次查重1 | $3.99 | one-time |
| 单次查重2 | $6.99 | one-time |
| 年VIP | $9.99 | one-time |
| 单次查重3 | $14.99 | one-time |
| 永久会员 | $14.99 | one-time |


## Frequently asked questions

### Is 51论文查重 free?

51论文查重 is free to download, with in-app purchases available.

### Is 论文君 free?

论文君 is free to download, with in-app purchases available.

### Which has better reviews, 51论文查重 or 论文君?

51论文查重 is rated higher. 51论文查重 averages 5.0 out of 5 from 2 ratings, while 论文君 averages 3.8 from 4 ratings.

### Do 51论文查重 or 论文君 have ads?

Neither 51论文查重 nor 论文君 shows ads.

### Which is updated more often, 51论文查重 or 论文君?

51论文查重 ships an update fortnightly, and 论文君 every 5 weeks. Most recently, 51论文查重 was updated on September 8, 2026 and 论文君 on September 17, 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.*