Comparison

Mental Math vs drillio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Read full description

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.

About

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.

Highlights
  • Mental math cards for calculation techniques
  • Customizable practice modes
  • Progress tracking via stats tab
  • Engaging brain-boosting exercises
  • Covers addition, subtraction, multiplication, division
Features
Read full description

Welcome to drillio-Mental Math Training, the ultimate app designed to boost your mental math skills and brain power. With drillio, you can master calculation techniques through mental math cards crafted to engage and challenge your mind. Our app is perfect for those looking to improve their mental arithmetic skills and unleash their full cognitive potential. Whether you call it brain math or mental calculation, our mental math cards will keep your mind sharp and agile. We believe in making mental math accessible and enjoyable for everyone. In drillio, the lessons are divided into small, manageable units designed to be both fun and easy to follow. Even if numbers aren't your strong suit, you'll find our method painless and rewarding, as you sharpen those brain math skills. Our custom cards allow for tailored practice, ensuring you can focus on areas like addition, subtraction, multiplication, and division. To achieve mastery, practice and continuity are key. Our app not only helps you with mental math exercises but also offers a 'stats' tab. This feature lets you visualize your progress and stay motivated on your mental calculation journey. Whether you want to enhance your arithmetic abilities for everyday tasks or brain training purposes, drillio has got you covered. Key Features: - Comprehensive training with mental math cards covering addition, subtraction, multiplication, division, and more. - Customizable modes to focus on specific math skills you want to improve. - Engaging activities that transform math games into brain boosting exercises. - A dedicated 'stats' tab for tracking your progress and staying motivated. - Fun and interactive interface that encourages continuous learning. Don't wait! Dive into the world of mental calculations and math skills enhancement with drillio. Whether it's mastering subtraction or honing your overall arithmetic prowess, our app is designed to help you become a mental math expert. Start your journey today and see how much you can improve. Become more competent in mental math with drillio's brain-enhancing cards.

Screenshots

Mental Math4 screens
drillio4 screens

Verdict

The call

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 fortnightly) 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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Mental Math ships an update every 6 days, drillio fortnightly. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 5 level
Mental Math versus drillio: the parameters behind the verdict, then further details
ParameterMental Mathdrillio
PriceFreeFree
Rating4.5 (4 ratings)4.5 (8 ratings)
Positive reviews75.0% of reviews90.0% of reviews — better
Number of ratings48 — better
Update frequencyEvery 6 days — betterFortnightly
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size67 MB33 MB
Age rating4+4+
DeveloperYudai KitanoRyo Iida

Customer experience

Mental Math

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

drillio

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews20 reviews
Positive90.0%
Neutral0.0%
Negative10.0%

In-app purchases

None

Mental Math

No in-app purchases

3 purchases

drillio

Subscriptions3
  • 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?
Mental Math is free to download, with no in-app purchases.
Is drillio free?
drillio is free to download, with in-app purchases available.
Which has better reviews, Mental Math or drillio?
Mental Math and drillio are both rated 4.5 out of 5 on the App Store, from 4 and 8 ratings respectively.
Do Mental Math or drillio have ads?
Both Mental Math and drillio show ads.
Which is updated more often, Mental Math or drillio?
Mental Math ships an update every 6 days, and drillio fortnightly. Most recently, Mental Math was updated on June 1, 2026 and drillio on September 20, 2026.

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