Memorize Prime Numbers vs MistakeBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memorize Prime Numbers
Learn to memorize hundreds of prime numbers within a week using a provided method. This app offers a unique approach to remembering these special numbers.
- Memorize hundreds of prime numbers
- Learn a provided memorization method
- Focus on prime number recall
- Suitable for quick learning
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Memory Pi digit is a competition. There are another type of number also good as memorize. Which is Prime Numbers. Prime Numbers is very special. But no easy to memory. Using our provided method, you are easy to remember hundreds of Prime number with a week. Try you will know.
MistakeBook
Log and review incorrect answers to improve learning. Organize mistakes by subject and topic, and utilize spaced repetition to reinforce weak areas. Track progress with visual charts and daily check-ins for effective test preparation.
- Log mistakes with photos and notes
- Organize by subject and custom tags
- Spaced repetition review mode
- Ebbinghaus forgetting curve schedule
- Progress charts and stats dashboard
- Data import/export backup
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Capture every wrong answer in seconds. Sort mistakes by subject, tag key topics, and build a personal error bank—no account required. Preparing for midterms, finals, or standardized tests? Spaced review quizzes follow the forgetting curve so weak spots come back at the right time. See progress charts and daily check-ins to stay on track. • Log mistakes with photos, notes, and difficulty tags • Organize by subject, chapter, and custom tags • Review mode: quiz, practice, and spaced repetition • Ebbinghaus schedule for smarter recall • Stats dashboard: mastery trends and weak areas • Import/export backup—data stays on your device Built for students who want a simple, private way to turn errors into higher scores.
Screenshots
Verdict
The clearest difference is review sentiment: MistakeBook at 100% against Memorize Prime Numbers's 50%. MistakeBook also leads on ads (none vs shown) and update cadence (monthly vs every 14 months). Memorize Prime Numbers's advantage is price (Free vs $1.99). On 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
Memorize Prime Numbers is free to download; MistakeBook costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Memorize Prime Numbers ships an update every 14 months, MistakeBook monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Memorize Prime Numbers | MistakeBook |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 14 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Best chart rank | — | #197 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 26 MB |
| Age rating | 4+ | +4 |
| Developer | Oscar Tsang | Xiamen City Fanyou Network Technology Co., Ltd. |
Customer experience
Memorize Prime Numbers
MistakeBook
In-app purchases
Memorize Prime Numbers
No in-app purchases
MistakeBook
No in-app purchases
Questions
Is Memorize Prime Numbers free?
Is MistakeBook free?
Do Memorize Prime Numbers or MistakeBook have ads?
Which is updated more often, Memorize Prime Numbers or MistakeBook?
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