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

Enhance your mental arithmetic skills with a variety of calculation modes. Practice addition, subtraction, multiplication, and division with customizable number ranges and column display. Track your progress with daily scores and compete with others through a ranking system.

Highlights
  • Multiple calculation modes (add, subtract, multiply, divide, mix)
  • Customizable number ranges (1-5 digits)
  • Column display format
  • Daily score recording and graphing
  • Game Center ranking
  • Time trial mode
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 mental math exercises. This app offers a minimalist approach to brain training, helping you prepare for deep work, studying, or important meetings. Track your progress and customize sessions to improve focus and cognitive clarity.

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-hub.github.io/mental-math

Screenshots

Ninimaths4 screens
Mental Math4 screens

Verdict

The call

The clearest difference is review sentiment: Ninimaths at 97% against Mental Math's 0%. Ninimaths also leads on rating (4.9 vs 3.5) and ratings volume (45 vs 4). 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 3.5. That said, the two scores are not equally well evidenced: Ninimaths has 45 ratings behind it against 4, 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 0% of Mental Math's.

UpkeepUpdate frequency

Ninimaths ships an update every 2 months, Mental Math weekly. The most recent releases landed on October 12, 2026 and October 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 (45 ratings) — better3.5 (4 ratings)
Positive reviews97.4% of reviews — better0.0% of reviews
Number of ratings45 — better4
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size11 MB11 MB
Age rating4+4+
DeveloperNinicodeDenys Kotenko

Customer experience

Ninimaths

All ratings45 ratings
Positive97.8%
Neutral0.0%
Negative2.2%
Written reviews114 reviews
Positive97.4%
Neutral2.6%
Negative0.0%

Mental Math

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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$49.99

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 45 ratings, while Mental Math averages 3.5 from 4 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 October 12, 2026 and Mental Math on October 7, 2026.

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