Comparison

Ninimaths vs Mental Math

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

Head to head
About

Ninimaths

This app offers daily mental arithmetic training with customizable exercises. Track your progress through daily scores and compete with others using the ranking function. Engage in timed challenges to sharpen your calculation speed.

Highlights
  • 5 calculation modes (add, subtract, multiply, divide, mixed)
  • Customizable number ranges (1-5 digits)
  • Column format display
  • Daily score tracking and graphs
  • Game Center ranking
  • Time trial challenges
Features
Read full description

Ninimaths is an application to train mental arithmetic ability. Characteristic: - Selection from 5 modes of calculation, addition, subtraction, multiplication, division, mixing - 1 to 5 digit numbers can be freely combined - Corresponds to display in the column format - Daily scores are recorded for each mode and displayed on the graph - Ranking function by Game Center - Time trial to measure strictly

About

Mental Math

Enhance concentration and mental speed with daily short sessions of mental math exercises. Improve processing speed, clarity, and focus for deep work, studying, or meetings. Track progress and customize training to build a daily focus ritual.

Highlights
  • Performance testing
  • Mental math training (add, subtract, multiply, divide)
  • Customizable exercises
  • Progress tracking
  • Minimalist design
  • Focus improvement
Features
Read full description

Train your brain. Sharpen focus. Improve mental speed. Modern life constantly fights for your attention. Notifications, multitasking, and digital noise make it harder to stay mentally sharp. Mental Math: Focus Trainer helps you rebuild focus using short daily mental math training sessions designed to improve concentration, processing speed, and mental clarity. This isn’t about becoming a math expert. It’s about using simple mental math exercises to activate your brain and enter a focused, high-performance state. Just 5 minutes of brain training can reset your attention and prepare you for deep work. HOW IT WORKS Think of it as a quick brain workout. A short session of mental math practice clears mental fog, activates focus, and strengthens your ability to concentrate. Use it: • before a deep work session • before studying • before an important meeting • as a daily brain training habit CORE FEATURES Performance Test (100 Questions) • measure mental speed and accuracy • track completion time • track accuracy • see questions per minute • get an overall performance score Mental Math Training Practice core arithmetic operations with multiple difficulty levels: • addition • subtraction • multiplication • division Choose the difficulty that matches your skill and gradually increase the challenge Custom Exercises Create your own mental math training: • choose operations (+ − × ÷) • choose difficulty levels • choose number of questions Progress Tracking • track mental speed • track accuracy • see progress across different difficulty levels • improve consistency over time Minimalist Design • no distractions • no noisy gamification • clean dark-mode interface WHY TRAIN MENTAL MATH? • improve concentration • boost mental processing speed • prepare your brain for deep work • build a daily focus ritual Reclaim your focus. Train your brain. One number at a time. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://denyskt.github.io/mental-math/

Screenshots

Ninimaths4 screens
Mental Math4 screens

Verdict

The call

The clearest difference is rating: Ninimaths at 4.9 against Mental Math's 4.1. Ninimaths also leads on review sentiment (97% vs 75%) and ratings volume (48 vs 7). Mental Math's advantage is update cadence (weekly vs every 2 months). On price, ads, in-app purchases and monetization model 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. Ninimaths sells 3 one-off in-app purchases and Mental Math sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ninimaths holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Ninimaths has 48 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 97% of Ninimaths's written reviews are positive against 75% of Mental Math's.

UpkeepUpdate frequency

Ninimaths ships an update every 2 months, Mental Math weekly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard5 real differences · 5 level
Ninimaths versus Mental Math: the parameters behind the verdict, then further details
ParameterNinimathsMental Math
PriceFreeFree
Rating4.9 (48 ratings) — better4.1 (7 ratings)
Positive reviews97.5% of reviews — better75.0% of reviews
Number of ratings48 — better7
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size11 MB16 MB
Age rating4+4+
DeveloperNinicodeDenys Kotenko

Customer experience

Ninimaths

All ratings47 ratings
Positive97.9%
Neutral0.0%
Negative2.1%
Written reviews119 reviews
Positive97.5%
Neutral2.5%
Negative0.0%

Mental Math

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

3 purchases

Ninimaths

One-time3
  • Coffee$0.99
  • Hamburger$1.99
  • Ramen$4.99
3 purchases

Mental Math

Subscriptions2
  • Pro Monthly: Focus & Mental Math$5.991 Month
  • Pro Yearly: Focus & Mental Math7 Days trial$24.991 Year
One-time1
  • Pro Lifetime: Focus & Mental Math$79.99

Questions

Is Ninimaths free?
Ninimaths is free to download, with in-app purchases available.
Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Which has better reviews, Ninimaths or Mental Math?
Ninimaths is rated higher. Ninimaths averages 4.9 out of 5 from 48 ratings, while Mental Math averages 4.1 from 7 ratings.
Do Ninimaths or Mental Math have ads?
Neither Ninimaths nor Mental Math shows ads.
Which is updated more often, Ninimaths or Mental Math?
Ninimaths ships an update every 2 months, and Mental Math weekly. Most recently, Ninimaths was updated on November 6, 2026 and Mental Math on November 7, 2026.

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