# 51论文查重 vs 大学搜题酱

The clearest difference is rating: 51论文查重 at 5.0 against 大学搜题酱's 3.0. 51论文查重 also leads on ads (none vs shown) and iOS requirement (11.0 vs 14.0). 大学搜题酱's advantage is ratings volume (108 vs 2). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. 51论文查重 sells 10 one-off in-app purchases and 大学搜题酱 sells 14 in-app purchases, starting at $2.99 per month. 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 3.0. That said, the two scores are not equally well evidenced: 大学搜题酱 has 108 ratings behind it against 2, so its average is the more settled of the two.

51论文查重 ships an update fortnightly, 大学搜题酱 every 11 days. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 51论文查重 | 大学搜题酱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/51/id1497273923/reviews)** | [3.0 (108 ratings)](https://appshunter.io/ios/app/id1519166316/reviews) |
| Number of ratings | 2 | **108** |
| Positive reviews | — | 68.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 25 MB | 107 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Jiangao Technology Co., Ltd.](https://appshunter.io/developer/1497273922) | [Guangzhou Polar Future Culture Technology Co., Ltd](https://appshunter.io/developer/1681701989) |

## 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 |


### 大学搜题酱

[App page](https://appshunter.io/ios/app/id1519166316)

This app helps university students solve homework and exam problems. It offers AI-powered Q&A, image and text search for answers, and a vast library of study materials and past exam papers. It also includes features to scan books for solutions and save useful resources.

**Highlights:** AI-powered Q&A, Photo and text search for answers, Floating answer search window, Extensive library of exam papers and study materials, Scan books for solutions, Save favorite resources

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 大学VIP连续包月 | $2.99 | per month |
| 大学VIP连续包月 | $2.99 | per month |
| 大学搜题酱连续包月 | $2.99 | per month |
| 大学PC插件会员月卡 | $2.99 | one-time |
| 大学VIP月卡 | $3.99 | one-time |
| 大学VIP双月卡 | $4.99 | one-time |
| 大学VIP季卡 | $5.99 | one-time |
| 大学VIP季卡 | $8.99 | one-time |
| 大学VIP年卡 | $9.99 | one-time |
| 大学VIP年卡 | $11.99 | one-time |
| 大学VIP年卡 | $12.99 | one-time |
| 大学VIP年卡 | $14.99 | one-time |
| 大学VIP年卡 | $17.99 | one-time |
| 大学VIP年卡 | $19.99 | one-time |

**What reviewers like**

- 📚 Comprehensive题库
- 🆓 Free to use
- 💡 Detailed explanations
- 🚀 Fast search speed
- 👍 User-friendly interface

**What reviewers complain about**

- 😠 Excessive ads
- 💥 Frequent pop-up ads
- 📱 Aggressive ad behavior (shake, accidental clicks)
- ❓ Inconsistent answer accuracy
- ❓ Incorrect answers for some questions

**Reported bugs**

- Floating window instability
- Page zoom issues
- Garbled text
- Incorrect answer accuracy
- Answers inconsistent with official sources

**Requested features**

- Improve floating window stability and compatibility
- Expand the question bank
- Add video explanations for problems
- Allow answer downloads
- Improve page zoom functionality


## 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 大学搜题酱 free?

大学搜题酱 is free to download, with in-app purchases available.

### Which has better reviews, 51论文查重 or 大学搜题酱?

51论文查重 is rated higher. 51论文查重 averages 5.0 out of 5 from 2 ratings, while 大学搜题酱 averages 3.0 from 108 ratings.

### Do 51论文查重 or 大学搜题酱 have ads?

大学搜题酱 shows ads; 51论文查重 does not.

### Which is updated more often, 51论文查重 or 大学搜题酱?

51论文查重 ships an update fortnightly, and 大学搜题酱 every 11 days. Most recently, 51论文查重 was updated on September 8, 2026 and 大学搜题酱 on September 22, 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.*