Square Root Calculator vs MistakeBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Square Root Calculator
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The iOS Square Root Calculator App will solve all of your square root math problems! This app is uniquely built to add square roots, subtract square roots, multiply square roots, and divide square roots. Each math problem will give you the answer in two forms: the simplest radical form and the decimal form. Of course, the app can also calculate the square root of any number. As a bonus, we have even included a tool that can simplify square roots. With so many tools in one place, the Square Root Calculator is the only square root app you will ever need! The app does not require an Internet connection, so you can use it anytime and anywhere. The goal was to make the app intuitive, clutter-free, fast to operate, and easy to use. We hope that the Square Root Calculator App will become one of your favorite math apps.
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 price: Square Root Calculator at $0.99 against MistakeBook's $1.99. On ads, in-app purchases, device support and iOS requirement 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
Square Root Calculator costs $0.99 and MistakeBook $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Square Root Calculator | MistakeBook |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | — | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | H Valeur | Xiamen City Fanyou Network Technology Co., Ltd. |
In-app purchases
Square Root Calculator
No in-app purchases
MistakeBook
No in-app purchases
Questions
Is Square Root Calculator free?
Is MistakeBook free?
Do Square Root Calculator or MistakeBook have ads?
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