FormuNote vs MistakeBook
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
FormuNote
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FormuNote transforms how engineering and mathematics students take and organise notes. Built specifically for technical subjects, it allows you to create notes with mathematical equations as titles, making it easy to find exactly what you're looking for. βΆ Key Features: β’ Create notes with LaTeX equations β’ Access a library of common mathematical symbols β’ Use pre-built templates for engineering equations β’ Organise notes with customisable categories β’ Powerful search functionality βΆ Whether you're studying calculus, differential equations, thermodynamics, or any other technical subject, FormuNote helps you keep your equations and notes organised and accessible. βΆ Perfect for: β’ Engineering students β’ Mathematics majors β’ Physics students β’ Computer science students β’ Technical professionals β’ Anyone working with mathematical equations Stop struggling with generic note-taking apps that weren't designed for technical content. FormuNote was built from the ground up to handle complex mathematical equations with ease.
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 bankβno 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. β’ Log mistakes with photos, notes, and difficulty tags β’ Organize by subject, chapter, and custom tags β’ Review mode: quiz, practice, and spaced repetition β’ Ebbinghaus schedule for smarter recall β’ Stats dashboard: mastery trends and weak areas β’ Import/export backupβdata 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 price: FormuNote at Free against MistakeBook's $1.99. MistakeBook's advantage is update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
FormuNote is free to download; MistakeBook costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FormuNote ships an update every 3 months, MistakeBook monthly. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.
| Parameter | FormuNote | MistakeBook |
|---|---|---|
| Price | Free β better | $1.99 |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Every 3 months | Monthly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 17.6 | 13.0 β better |
| Further details β not scored | ||
| Size | 8 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Frostech Labs | Xiamen City Fanyou Network Technology Co., Ltd. |
In-app purchases
FormuNote
No in-app purchases
MistakeBook
No in-app purchases









