知识树 vs Multiply Fun
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。
Multiply Fun
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Multiply Fun! Lite turns learning multiplication into a fun, interactive adventure. Set in a space-inspired environment, this app makes mastering the 9x9 tables easy and enjoyable for young learners. With engaging animations and a user-friendly design, Multiply Fun! helps kids build math skills and confidence—perfect for home, school, or on the go! Kids can even blast meteors in the Space Math arcade game or print PDF worksheets to practice on paper. Features: - Interactive learning with instant feedback - Feedback on correctness and time taken for each problem - Multiplication table visualization in abacus (Abacus) format - Space Math arcade game—blast the meteor with the correct answer to make practice exciting - Printable PDF worksheets to practice on paper, anytime and offline - Vibrant graphics and animations kids will love Let your child explore the magic of multiplication with Multiply Fun!
Screenshots
Verdict
The clearest difference is ads: 知识树 at none against Multiply Fun's shown. Multiply Fun's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, in-app purchases 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 and Multiply Fun sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
知识树 ships an update every 5 days, Multiply Fun weekly. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.
| Parameter | 知识树 | Multiply Fun |
|---|---|---|
| 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 — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | 野 匡 | Mr.Darcy |
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
Multiply Fun
- Remove Ads$0.99
