知识树 vs Error Pilot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
知识树
This intelligent learning system uses AI to understand knowledge, break down concepts, and dynamically schedule practice and review based on your memory state. It focuses on true retention through spaced repetition and scientific memory curves, not just completing exercises.
- AI-driven knowledge understanding
- Dynamic practice and review scheduling
- Breakdown of knowledge into testable points
- Spaced repetition for long-term memory
- Automatic assessment of mastery
- Progress tracking over speed
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这不是一款“多做题”的学习 App, 而是一套真正判断你是否学会的智能学习系统。 在这里,AI 不只是出题,而是先理解知识、拆解考点,再根据你的记忆状态动态安排练习与复习。 每一个知识点,都会被拆成清晰、可掌握的最小考点; 每一道题,都会服务于“真正记住”,而不是刷完就忘。 你不需要自己规划复习,也不需要反复猜“我到底学没学会”。 系统会结合你的答题表现与科学的记忆曲线,自动判断哪些内容已经稳定进入长期记忆,哪些还需要巩固。 当一个知识点被标记为“已掌握”, 意味着它已经经过多次间隔验证,而不是一次侥幸答对。 你看到的,不是题量,而是进度; 你追求的,不是速度,而是完成。
Error Pilot
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Error Pilot helps students and parents capture, organize, and review mistake questions. Use the camera to capture worksheets, review and edit recognized questions before saving, and organize multiple mistakes by subject, knowledge point, and mastery status. Error Pilot turns scattered practice mistakes into structured material you can review, print, and track over time. Key features: - Capture mistake questions from paper and check recognition results - Save multiple mistakes from the same worksheet flow - Organize mistakes by subject and knowledge point - Follow review plans with subject and mastery filters - Review weak areas with knowledge diagnosis and study reports - Export PDF files for printing and offline practice with membership access Subscriptions and legal information: - Error Pilot offers Pro monthly and yearly auto-renewable subscriptions through Apple's App Store. The purchase screen shows the product name, billing period, and price before purchase. - Terms of Use (EULA): https://www.errorpilot.vip/terms.html - Privacy Policy: https://www.errorpilot.vip/privacy.html Recognition and learning suggestions are provided as study assistance. Please review the results together with the original question and your teacher's guidance.
Screenshots
Verdict
The clearest difference is in-app purchases: Error Pilot at none against 知识树's 4. Error Pilot also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support 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. 知识树 sells 4 in-app purchases, starting at $2.99 per month. Error Pilot asks for nothing beyond the download.
| Parameter | 知识树 | Error Pilot |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 38.9% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | 野 匡 | 蒲艳 刘 |
In-app purchases
知识树
- 月度会员$2.991 Month
- 季度会员$4.993 Months
- 年度会员$19.991 Year
- 终身会员$24.99
Error Pilot
No in-app purchases









