# 学信网 vs 51论文查重

The clearest difference is rating: 51论文查重 at 5.0 against 学信网's 3.9. 51论文查重 also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (11.0 vs 13.0). 学信网's advantage is in-app purchases (none vs 10) and ratings volume (1.5K vs 2). On price, ads and device support there is nothing between them.

Both are free to download. 51论文查重 sells 10 one-off in-app purchases. 学信网 asks for nothing beyond the download.

51论文查重 holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: 学信网 has 1.5K ratings behind it against 2, so its average is the more settled of the two.

学信网 ships an update every 6 weeks, 51论文查重 fortnightly. The most recent releases landed on September 28, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 学信网 | 51论文查重 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (1.5K ratings)](https://appshunter.io/ios/app/id1488854568/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/51/id1497273923/reviews)** |
| Number of ratings | **1.5K** | 2 |
| Positive reviews | 5.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 68 MB | 25 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [中国高等教育学生信息网(学信网)](https://appshunter.io/developer/1488854567) | [Beijing Jiangao Technology Co., Ltd.](https://appshunter.io/developer/1497273922) |

## What reviewers say

### 学信网

[App page](https://appshunter.io/ios/app/id1488854568)

Verify academic records, degrees, and certifications online easily with our app. Instantly access school enrollment, degree status, and validation reports.

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 学信网 free?

学信网 is free to download, with no in-app purchases.

### Is 51论文查重 free?

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

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

51论文查重 is rated higher. 学信网 averages 3.9 out of 5 from 1.5K ratings, while 51论文查重 averages 5.0 from 2 ratings.

### Do 学信网 or 51论文查重 have ads?

Neither 学信网 nor 51论文查重 shows ads.

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

学信网 ships an update every 6 weeks, and 51论文查重 fortnightly. Most recently, 学信网 was updated on September 28, 2026 and 51论文查重 on September 8, 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.*