知到. vs Celechron
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 2000 universities worldwide. Learn from experts and dedicate time daily to enrich your knowledge and personal growth. This platform aims to democratize educational resources.
- Access to 2000+ university courses
- Expert-led educational content
- Daily learning modules
- Social sharing of educational resources
- Personal growth and 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！
Celechron
This app is a time management tool designed for Zhejiang University students. It offers features for task planning, timetable viewing, grade inquiries, and payment code display. It also includes desktop widgets for schedules and payment codes.
- Task planning
- Timetable viewing
- Grade inquiry
- Payment code display
- Desktop widgets
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Celechron是服务于浙大学生的时间管理工具，提供任务规划、课表查看、成绩查询、付款码展示等功能。 Celechron iOS支持两种桌面小组件：日程小组件和付款码小组件
Screenshots
Verdict
The clearest difference is review sentiment: Celechron at 95% against 知到.'s 19%. Celechron also leads on rating (5.0 vs 1.2) and device support (4 vs 2). 知到.'s advantage is ratings volume (323 vs 9) and update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Celechron holds the better App Store score, 5.0 against 1.2. That said, the two scores are not equally well evidenced: 知到. has 323 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 19% of 知到.'s written reviews are positive against 95% of Celechron's.
知到. ships an update every 3 weeks, Celechron every 2 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | 知到. | Celechron |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (323 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | 18.8% of reviews | 95.0% of reviews — better |
| Number of ratings | 323 — better | 9 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 394 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 上海卓越睿新数码科技有限公司 | 子捷 施 |
Customer experience
知到.
Celechron
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
Celechron
Not enough reviews yet to summarise bugs or requests.
In-app purchases
知到.
No in-app purchases
Celechron
No in-app purchases
