Comparison

Ninimaths vs Mental Math Games

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 Games

Sharpen your mental math skills with this app offering a wide range of exercises from basic arithmetic to fractions and percentages. It features timed challenges, progress tracking, and customizable modes to suit all levels.

Highlights
  • Wide variety of math exercises
  • Timed challenges for speed
  • Progress tracking and high scores
  • Adjustable difficulty levels
  • Math tricks and shortcuts
  • Customizable trainer mode
  • Achievements and rewards
Features
Read full description

Numbio (formerly FastMath) turns mental math into a fast, satisfying daily habit. Train arithmetic, master your times tables, and watch your calculation speed climb in just a few minutes a day. WHY NUMBIO? • Practice that adapts to you: difficulty scales from Easy to Extreme as you improve. • Bite-sized sessions for any schedule: a 60-second speed test or a full training plan. • Actually fun: turn drills into a game and keep your daily streak alive. PRACTICE EVERYTHING • Free core arithmetic: addition, subtraction, multiplication & division • Times tables, digit sums, mixed expressions & chained operations* • Word problems, equations, rule of three, fractions, GCD & LCM* • Advanced operations: percentages, squares, square roots & modulo* • Every number type: decimals, money, fractions, binary, Roman numerals & more* • Build your own custom training plans: practice exactly what you want* LEARN THE TRICKS • Step-by-step mental-math tricks and shortcuts that make hard sums easy • Practice any trick right away with a matching, ready-made drill* • A personalized "For You" feed that suggests what to learn next* PLAY & COMPETE • Brain-teasing games: Number Hunt, Magic Square, Sudoku & Mini Sudoku • Climb Game Center leaderboards and unlock dozens of achievements TRACK YOUR PROGRESS • Build daily streaks and hit personal goals that keep you coming back • Earn XP and level up through ten ranks, from Bronze to Diamond • Watch your speed and accuracy climb with detailed stats and personal bests • Set daily reminders so you never break your streak ON ALL YOUR DEVICES • Cross-device sync keeps your progress in step wherever you practice • Jump in within seconds from Home Screen and Lock Screen widgets • Family Sharing: share Numbio Pro with up to five family members • Available in 29 languages PERFECT FOR Students building arithmetic confidence • Test-takers prepping for GMAT, GRE & entrance exams • Professionals staying sharp • Parents and kids learning times tables • Anyone who loves a good number puzzle Join thousands of learners worldwide sharpening their mental math with Numbio. Questions or feedback? We'd love to hear from you at hello@numbio.com. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://www.numbio.com/privacy * Requires a Numbio Pro subscription.

Screenshots

Ninimaths4 screens
Mental Math Games4 screens

Verdict

The call

The clearest difference is update cadence: Mental Math Games at every 9 days against Ninimaths's every 2 months. Mental Math Games also leads on ratings volume (1.2K vs 45). Ninimaths's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price, rating, review sentiment 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. Ninimaths sells 3 one-off in-app purchases and Mental Math Games sells 7 in-app purchases, starting at $4.99 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 4.7. That said, the two scores are not equally well evidenced: Mental Math Games has 1.2K ratings behind it against 45, 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 93% of Mental Math Games's.

UpkeepUpdate frequency

Ninimaths ships an update every 2 months, Mental Math Games every 9 days. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

Scorecard4 real differences · 6 level
Ninimaths versus Mental Math Games: the parameters behind the verdict, then further details
ParameterNinimathsMental Math Games
PriceFreeFree
Rating4.9 (45 ratings) — better4.7 (1.2K ratings)
Positive reviews97.4% of reviews — better93.4% of reviews
Number of ratings451.2K — better
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better26.0
Further details — not scored
Size11 MB58 MB
Age rating4+4+
DeveloperNinicodePeter Schmidt

Customer experience

Ninimaths

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

Mental Math Games

All ratings1,168 ratings
Positive93.2%
Neutral3.6%
Negative3.3%
Written reviews515 reviews
Positive93.4%
Neutral3.5%
Negative3.1%

Bugs and requests

Ninimaths

Not enough reviews yet to summarise bugs or requests.

Mental Math Games

Reported bugs

2 issues
  • Inconsistent scoring feedback
  • Subscription issues with repeated charges

Requested features

4 requests
  • More advanced math operations (e.g., powers, roots)
  • Customizable practice sessions
  • Detailed performance analytics
  • Ability to review past questions

In-app purchases

3 purchases

Ninimaths

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

Mental Math Games

Subscriptions3
  • Pro Monthly$4.991 Month
  • Pro access (secret discount)$9.991 Year
  • Pro Annual3 Days trial$17.991 Year
One-time4
  • Small tip$0.99
  • Medium tip$3.99
  • Large tip$8.99
Show 1 more
  • Pro Lifetime$49.99

Questions

Is Ninimaths free?
Ninimaths is free to download, with in-app purchases available.
Is Mental Math Games free?
Mental Math Games is free to download, with in-app purchases available.
Which has better reviews, Ninimaths or Mental Math Games?
Ninimaths is rated higher. Ninimaths averages 4.9 out of 5 from 45 ratings, while Mental Math Games averages 4.7 from 1.2K ratings.
Do Ninimaths or Mental Math Games have ads?
Neither Ninimaths nor Mental Math Games shows ads.
Which is updated more often, Ninimaths or Mental Math Games?
Ninimaths ships an update every 2 months, and Mental Math Games every 9 days. Most recently, Ninimaths was updated on October 20, 2026 and Mental Math Games on October 23, 2026.

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