Mental Math vs drillio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mental Math
Train your calculation skills with this app by solving math problems against the clock. Customize the time limit and number of questions for a personalized challenge. Review your results to track progress and improve your math abilities.
- Solve math problems against a time limit
- Customize time limit and number of problems
- Review calculation results
- Simple and comfortable user interface
- Gaming experience for spare time
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This is a calculation training app where you can solve math problems within a predetermined time limit. You can customize the time limit and the number of problems according to your preferences. Once the problems are completed, the calculation results are displayed, and you can make use of them in the future. The problem interface has been designed to be as simple as possible, ensuring comfortable usability. With a short time limit, you can play and solve problems in your spare time, enjoying a gaming experience. If you have any requests or suggestions, you can submit them through the app. Please feel free to actively utilize it if there are any features you desire.
drillio
Enhance your calculation abilities with engaging mental math exercises. This app offers customizable practice cards for addition, subtraction, multiplication, and division, along with progress tracking to keep you motivated.
- Mental math cards for calculation techniques
- Customizable practice modes
- Progress tracking via stats tab
- Engaging brain-boosting exercises
- Covers addition, subtraction, multiplication, division
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drillio helps you build real mental math skills with soroban-style flash anzan and arithmetic drills. 41 flash anzan levels (from beginner to 20th dan) and 278 arithmetic lessons. All core learning is free. FLASH ANZAN - 41 levels: beginner, 20th kyu to 1st kyu, then 1st to 20th dan - Master a level by answering correctly 10 times, and earn a certificate - Frame-accurate display timing, so even the fastest flashes are shown precisely - Custom mode: choose your own digits, number of terms and display time - Your fastest answer is saved automatically ARITHMETIC DRILLS - 278 lessons in addition, subtraction, multiplication and division, from basic to advanced - 2-digit x 2-digit, 3-digit problems, fill-in-the-blank problems and more - Earn more points the faster you answer, and see your progress for each lesson CHALLENGES - Time Attack: solve as many problems as you can before time runs out - Oni Calc: answer the problem from N steps back, training memory and calculation together KEEP GOING - Daily streaks, study time and points - Reminders before your streak ends drillio PRO (optional) - No ads - Dark mode - Streak recovery - Priority support Subscriptions renew automatically unless cancelled. Terms of Use: https://gist.github.com/aviciida/c635fb7d61c24c8df4f39506902f3ca6 Privacy Policy: https://gist.github.com/aviciida/f9dd03234fa3de0b23aa536073abcca4
Screenshots
Verdict
The clearest difference is in-app purchases: Mental Math at none against drillio's 3. Mental Math also leads on update cadence (every 6 days vs every 2 weeks) and iOS requirement (13.0 vs 16.0). drillio's advantage is review sentiment (90% vs 75%). On price, rating, ratings volume and ads 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. drillio sells 3 in-app purchases, starting at $1.99 per month. Mental Math asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Mental Math against 4.5 for drillio. Both are backed by a comparable volume of ratings — 4 and 8 respectively. Written reviews are what separate them: 75% of Mental Math's written reviews are positive against 90% of drillio's.
Mental Math ships an update every 6 days, drillio every 2 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.
| Parameter | Mental Math | drillio |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) | 4.5 (8 ratings) |
| Positive reviews | 75.0% of reviews | 90.0% of reviews — better |
| Number of ratings | 4 | 8 — better |
| Update frequency | Every 6 days — better | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 67 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Yudai Kitano | Ryo Iida |
Customer experience
Mental Math
drillio
In-app purchases
Mental Math
No in-app purchases
drillio
- drillio PRO Monthly$1.991 Month
- drillio PRO campaign1 Year trial$14.991 Year
- drillio PRO Annual$14.991 Year
Questions
Is Mental Math free?
Is drillio free?
Which has better reviews, Mental Math or drillio?
Do Mental Math or drillio have ads?
Which is updated more often, Mental Math or drillio?
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