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

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.

Screenshots

Ninimaths4 screens
Mental Math4 screens

Verdict

The call

The clearest difference is in-app purchases: Mental Math at none against Ninimaths's 3. Mental Math also leads on update cadence (every 6 days vs every 2 months). Ninimaths's advantage is ads (none vs shown) and rating (4.9 vs 4.5). On price, device support and iOS requirement 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. Mental Math asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Ninimaths holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Ninimaths has 46 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 75% of Mental Math's.

UpkeepUpdate frequency

Ninimaths ships an update every 2 months, Mental Math every 6 days. The most recent releases landed on October 23, 2026 and October 15, 2026 respectively.

Scorecard7 real differences · 3 level
Ninimaths versus Mental Math: the parameters behind the verdict, then further details
ParameterNinimathsMental Math
PriceFreeFree
Rating4.9 (46 ratings) — better4.5 (4 ratings)
Positive reviews97.4% of reviews — better75.0% of reviews
Number of ratings46 — better4
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size11 MB67 MB
Age rating4+4+
DeveloperNinicodeYudai Kitano

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
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

3 purchases

Ninimaths

One-time3
  • Coffee$0.99
  • Hamburger$1.99
  • Ramen$4.99
None

Mental Math

No in-app purchases

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 no in-app purchases.
Which has better reviews, Ninimaths or Mental Math?
Ninimaths is rated higher. Ninimaths averages 4.9 out of 5 from 46 ratings, while Mental Math averages 4.5 from 4 ratings.
Do Ninimaths or Mental Math have ads?
Mental Math shows ads; Ninimaths does not.
Which is updated more often, Ninimaths or Mental Math?
Ninimaths ships an update every 2 months, and Mental Math every 6 days. Most recently, Ninimaths was updated on October 23, 2026 and Mental Math on October 15, 2026.

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