知到. vs 51论文查重
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
知到.
Access a vast library of high-quality courses from over 2,000 universities worldwide. This platform aims to share educational resources and help users improve themselves with daily lessons from experts.
- Extensive course library
- University-level content
- Expert instructors
- Daily learning sessions
- Personal development focus
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“知到”是智慧树网的子品牌，全球大型的学分课程运营服务平台，有海内外2000+大学会员。我们源自大学课堂，致力于推动优质教育资源社会化共享，我们希望用“知到”，帮助您成为更好的自己。在这里，你可以畅览海量的优质课程，倾听大师的声音，每天一节课，给大脑营养，从这一刻起！
51论文查重
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.
- Plagiarism detection
- Paper revision assistance
- Extensive comparison database
- Fast and accurate results
- Supports various academic paper types
- Improves paper acceptance rates
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51论文查重是一款专注论文查重检测修改APP，手机在线进行论文查重、论文降重修改操作，方便极速查重降重，平台拥有海量的对比数据库及专业的论文检测系统，为用户提供精准、快速、安全的论文查重检测修改服务。无论是毕业论文、学术论文、知网论文及小木虫、爱学术人士都可通过51论文查重APP进行查重检测修改，安全准确有效提高论文通过率。 51论文查重是一款专注论文查重检测修改工具APP，平台拥有专业的论文查重检测系统，对比海量资源数据库，针对应届生毕业论文、语文论文、数学小论文、学术期刊论文、SCI论文、学位论文等均可快速方便完成查重检测。
Screenshots
Verdict
The clearest difference is rating: 51论文查重 at 5.0 against 知到.'s 1.2. 51论文查重 also leads on iOS requirement (11.0 vs 14.0). 知到.'s advantage is monetization model (free vs free with in-app purchases) and ratings volume (320 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 知到. sells 11 in-app purchases, starting at $1.99 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 1.2. That said, the two scores are not equally well evidenced: 知到. has 320 ratings behind it against 2, so its average is the more settled of the two.
知到. ships an update every 3 weeks, 51论文查重 fortnightly. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.
| Parameter | 知到. | 51论文查重 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (320 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 19.6% of reviews | — |
| Number of ratings | 320 — better | 2 |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 393 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | 上海卓越睿新数码科技有限公司 | Beijing Jiangao Technology Co., Ltd. |
Customer experience
知到.
51论文查重
Bugs and requests
知到.
Reported bugs
10 issues- App crashes frequently
- App freezes or becomes unresponsive
- Video playback issues (no sound, auto-pause, content not counting)
- Login and verification process is problematic
- Exams end prematurely
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- Synchronization issues with classroom activities
- App not working on iPad/tablet
- Forced updates prevent app usage
- Servers are unstable and cause errors
- Progress resets to zero
Requested features
13 requests- Develop an iPad/tablet version
- Improve server stability and performance
- Offer a delayed update option
- Allow users to choose whether to rate courses
- Implement a proper rating system for courses
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- Add support for smaller languages
- Improve the login and password reset process
- Provide a PC version or web version
- Fix issues with video playback and synchronization
- Address the problem of exams ending before time
- Improve customer service responsiveness and helpfulness
- Reduce or remove advertisements
- Clarify and improve grading policies
51论文查重
Not enough reviews yet to summarise bugs or requests.
In-app purchases
知到.
- 知到VIP会员1 Month trial$1.991 Month
- 6课程商品$0.99
- 知到VIP会员(新特惠价1)$0.99
- 18课程商品$2.99
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- 30课程商品$3.99
- 50课程商品$6.99
- 68课程商品$9.99
- 智慧树VIP会员(年卡学生价)$24.99
- 198课程商品$29.99
- 知到VIP会员$29.99
- 588课程商品$79.99
51论文查重
- 论文查重12元/篇$1.99
- 论文降重93元$13.99
- 论文降重98元$14.99
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- 论文降重108元$15.99
- 论文降重113元$16.99
- 论文降重118元$17.99
- 论文降重123元$18.99
- 论文降重128元$19.99
- 论文降重138元$20.99
- 论文降重148元$21.99
