Mindmath vs Prepd
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Mindmath
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Sharpen your mental math in five minutes a day. Mindmath is a fast, structured trainer for everyday arithmetic. Each session has five focused one-minute rounds: addition, subtraction, multiplication, percentages, and a final mixed challenge; so you train every skill, every day. The difficulty adapts to you: answer correctly and it pushes you harder; slip and it eases back, keeping every round at the edge of your ability. After each session you get a score based on accuracy and difficulty, and your history is saved on your device so you can watch yourself improve over time. No accounts. No ads. Fully offline. Just focused practice built for speed. FEATURES - Five timed one-minute rounds: add, subtract, multiply, percentages, mixed - Adaptive difficulty that tracks your performance - A score that rewards both accuracy and difficulty - Local progress history: track your trend or clear it anytime - Fast, distraction-free interface built for rhythm - Fully offline - No ads Whether it's for work, school, or staying sharp, MindMath gives you a structured way to practice mental math every day.
Prepd
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Prepd helps finance students practice interview questions quickly and effectively. Choose your categories, answer MCQs or open questions, build custom decks, track your points, and improve with bite-sized daily practice. Simple, fast, and designed to make interview prep effortless. Terms of Use: https://prepd-api-08637f0e3d7b.herokuapp.com/terms/ Privacy Policy: https://prepd-api-08637f0e3d7b.herokuapp.com/privacy/
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Verdict
The clearest difference is price: Prepd at Free against Mindmath's $0.99. Prepd also leads on update cadence (fortnightly vs every 3 months). Mindmath's advantage is in-app purchases (none vs 6). On ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Prepd is free to download; Mindmath costs $0.99 up front. Prepd sells 6 in-app purchases, starting at $1.99 per month. Mindmath asks for nothing beyond the download.
Mindmath ships an update every 3 months, Prepd fortnightly. Both last shipped on October 1, 2026.
| Parameter | Mindmath | Prepd |
|---|---|---|
| Price | $0.99 | Free โ better |
| Update frequency | Every 3 months | Fortnightly โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details โ not scored | ||
| Size | 32 MB | 39 MB |
| Age rating | 17+ | 17+ |
| Developer | Antonio Verolino | Kamil Ryan Abunader |
In-app purchases
Mindmath
No in-app purchases
Prepd
- Basic Monthly$1.991 Month
- Basic Weekly$1.997 Days
- Premium Weekly$3.497 Days
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- Premium Monthly$3.991 Month
- Expert Weekly$5.997 Days
- Expert Monthly$7.991 Month









