# 百词斩 vs 51论文查重

The clearest difference is ads: 51论文查重 at none against 百词斩's shown. 51论文查重 also leads on rating (5.0 vs 4.8) and iOS requirement (11.0 vs 13.0). 百词斩's advantage is ratings volume (9K vs 2). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. 百词斩 sells 36 in-app purchases, starting at $2.99 per month and 51论文查重 sells 10 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 4.8. That said, the two scores are not equally well evidenced: 百词斩 has 9K ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 30, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 百词斩 | 51论文查重 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (9K ratings)](https://appshunter.io/ios/app/id557545298/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/51/id1497273923/reviews)** |
| Number of ratings | **9K** | 2 |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 880 MB | 25 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [成都超爱学习科技有限公司](https://appshunter.io/developer/1726128017) | [Beijing Jiangao Technology Co., Ltd.](https://appshunter.io/developer/1497273922) |

## What reviewers say

### 百词斩

[App page](https://appshunter.io/ios/app/id557545298)

This app helps users learn English vocabulary through engaging methods. It offers multiple learning modes, detailed word explanations, and a vast library of word lists for various exams. Gamified features and personalized study plans encourage consistent learning and make memorization fun and effective.

**Highlights:** Multiple learning modes (picture, rhyme, deep), Detailed word explanations and pronunciation, 200+ authoritative word libraries, Review tools for translation and spelling, Customizable learning plans, Gamified activities and social learning

**Features:** Vision Pro support

**In-app purchases (36)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO会员连续包月 | $2.99 | per month |
| PRO会员连续包月 | $2.99 | per month |
| 惊喜优惠_连续包月 | $2.99 | per month |
| 6金币 | $0.99 | one-time |
| 薄荷英语外刊训练营 | $0.99 | one-time |
| 听力体验营 | $0.99 | one-time |
| 百词斩口语美音课 | $0.99 | one-time |
| 夜曲编程体验营 | $0.99 | one-time |
| 番茄场景英语体验营 | $0.99 | one-time |
| 百词斩雅思高效提分精讲班 | $0.99 | one-time |
| 托福体验营 | $0.99 | one-time |
| 芝士派听力体验营 | $0.99 | one-time |
| 新概念英语体验营 | $0.99 | one-time |
| 薄荷·外刊体验课 | $0.99 | one-time |
| 薄荷阅读·外刊体验课 | $0.99 | one-time |
| 医学·身体部位 | $0.99 | one-time |
| 百雅提分体验营 | $0.99 | one-time |
| 商务英语词汇套装 | $0.99 | one-time |
| 日语N1核心词 | $0.99 | one-time |
| 日语N5核心词 | $0.99 | one-time |
| 薄荷英语外刊体验营 | $0.99 | one-time |
| 百词斩雅思体验营 | $0.99 | one-time |
| 蛋糕英语体验营L1 | $0.99 | one-time |
| （正价）计算机入门通用词汇 | $0.99 | one-time |
| Vlog高频词 | $1.99 | one-time |
| 西语入门+进阶 | $1.99 | one-time |
| 新标准日本语初级套装 | $1.99 | one-time |
| 法语专四必备2000词 | $1.99 | one-time |
| 18金币 | $2.99 | one-time |
| 百词斩托福 | $2.99 | one-time |
| Basic1000 | $2.99 | one-time |
| 芝士派听力小课 | $2.99 | one-time |
| 实用词套装 | $3.99 | one-time |
| 45金币 | $5.99 | one-time |
| 50金币 | $6.99 | one-time |
| 薄荷阅读·年卡VIP | $29.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient vocabulary learning
- 💡 Engaging learning methods
- 🎨 Visually appealing design
- 🤝 Helpful for group learning

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🕰️ Slow performance
- 🌐 Issues with international users
- 🔊 Subpar audio quality
- 📚 Limited word selection

**Reported bugs**

- Inconsistent sign-in/sign-out behavior
- Incorrect word pronunciations
- Unreliable daily check-in tracking
- Frequent crashes and freezes
- Syncing issues across devices

**Requested features**

- Add support for horizontal screen mode
- Implement a night mode or dark theme
- Introduce British English pronunciation
- Allow customization of word lists
- Improve the in-app chat/communication features


### 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 百词斩 free?

百词斩 is free to download, with in-app purchases available.

### 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, 百词斩 or 51论文查重?

51论文查重 is rated higher. 百词斩 averages 4.8 out of 5 from 9K ratings, while 51论文查重 averages 5.0 from 2 ratings.

### Do 百词斩 or 51论文查重 have ads?

百词斩 shows ads; 51论文查重 does not.

### Which is updated more often, 百词斩 or 51论文查重?

百词斩 ships an update fortnightly, and 51论文查重 fortnightly. Most recently, 百词斩 was updated on September 30, 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.*