Comparison

TimerMath vs (Open Source) Mental Math

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

Head to head
About

TimerMath

Features
Read full description

TimerMath - Make Math Practice Fun! Transform math practice into an exciting game with TimerMath - the perfect app for students, parents, and teachers who want to make arithmetic engaging and effective. Timed Math Challenges Race against the clock with addition and subtraction problems across 7 progressive difficulty levels, from basic numbers (2-9) to advanced (50-100). Choose your practice duration and track your progress with real-time scoring. Multiple User Support Create separate profiles for different students or family members. Perfect for classrooms, tutoring, or family learning with individual progress tracking and high scores. Beautiful & Customizable Multiple themes and a clean, distraction-free interface that works on all devices. Available in 17 languages including English, Spanish, French, German, Japanese, Korean, Chinese (Simplified & Traditional), Arabic, Hindi, Italian, Portuguese, Swedish, Thai, Greek, Hebrew, and Russian. How It Works Choose your level, set your time, and start solving math problems as fast as you can. The timed format creates excitement while progressive difficulty ensures continuous learning. Works completely offline for your privacy and convenience. Math practice doesn't have to be boring! TimerMath turns arithmetic into an exciting challenge that motivates learners to improve. Perfect for daily practice, test preparation, skill building, and family learning time. Download TimerMath today and make math practice the highlight of your day! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

(Open Source) Mental Math

This application offers a free, open-source platform for practicing mental arithmetic. It features timed tests, custom drills, and a comprehensive library of mental math tricks. All content is available offline without ads or paywalls.

Highlights
  • Timed arithmetic tests
  • Customizable drills
  • Mental math tricks library
  • Offline progress tracking
  • Multiple operation types
  • Fast session interface
Features
Read full description

A free, open-source mental math trainer. No ads, no paywalls, no locked content — every exercise and difficulty is included. Sharpen your arithmetic with quick timed tests, custom drills, and a library of mental-math tricks. Everything runs offline and your progress stays on your device. FEATURES Timed Tests A daily 60-second challenge plus sprints, a two-minute marathon, per-operation tests, and a hard mixed test — at four difficulty levels, each with best scores. Custom Trainer Pick a number domain (Times tables, Natural, Decimal, Money, Huge), choose one or more exercises, and set per-exercise difficulty from Easy to Super hard. All the Operations Addition, subtraction, multiplication, division, squares, square roots, fractions, percentages, and modulo. Mental Math Tricks Dozens of step-by-step tricks for faster addition, subtraction, multiplication, division, and squares — with worked examples and favorites. Practice Any Trick Every trick comes with a 60-second drill built for it: × 11 drills, squares ending in 5, numbers near 100, and more. Magic Square A number puzzle: make every row, column, and diagonal add up to the same total. Four levels, from 1-9 up to bigger number sets. Progress Tracking Solved totals, accuracy, best run, daily streak, longest streak, and a weekly activity view. Fast Sessions An on-screen keypad with instant answer checking and haptics. No ads. No paywalls. No account required. 100% Open Source The complete source code is public - see it, audit it, or contribute at https://github.com/Open-Apps-Studio/mental-math

Screenshots

TimerMath3 screens
(Open Source) Mental Math4 screens

Verdict

The call

The clearest difference is in-app purchases: (Open Source) Mental Math at none against TimerMath's 1. (Open Source) Mental Math also leads on ads (none vs shown). TimerMath's advantage is update cadence (fortnightly vs every 5 weeks). 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. TimerMath sells 1 in-app purchase, starting at $0.99 per 3 months. (Open Source) Mental Math asks for nothing beyond the download.

UpkeepUpdate frequency

TimerMath ships an update fortnightly, (Open Source) Mental Math every 5 weeks. The most recent releases landed on October 28, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
TimerMath versus (Open Source) Mental Math: the parameters behind the verdict, then further details
ParameterTimerMath(Open Source) Mental Math
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequencyFortnightly — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size30 MB41 MB
Age rating4+4+
DeveloperDemagic ABAHMET EMRE DEDELER

In-app purchases

1 purchases

TimerMath

Subscriptions1
  • TimerMath Quarterly Subscription$0.993 Months
None

(Open Source) Mental Math

No in-app purchases

Questions

Is TimerMath free?
TimerMath is free to download, with in-app purchases available.
Is (Open Source) Mental Math free?
(Open Source) Mental Math is free to download, with no in-app purchases.
Do TimerMath or (Open Source) Mental Math have ads?
TimerMath shows ads; (Open Source) Mental Math does not.
Which is updated more often, TimerMath or (Open Source) Mental Math?
TimerMath ships an update fortnightly, and (Open Source) Mental Math every 5 weeks. Most recently, TimerMath was updated on October 28, 2026 and (Open Source) Mental Math on October 6, 2026.

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