Comparison

Mental Math Games vs CanonsOfDort

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

Head to head
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
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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.

About

CanonsOfDort

Features
Read full description

Canons of Dort – Reformed Doctrine Made Simple Read, study, and reflect on the historic Canons of Dort in a clean, distraction-free mobile experience. Perfect for personal devotion, classroom study, or small group discussion, this app brings one of the Three Forms of Unity to your fingertips. Features: Complete text of the Canons of Dort – Heads of Doctrine, Articles, and Rejections of Errors Easy navigation – jump quickly between sections Minimal, focused design – no ads, no distractions Mobile-first reading – optimized for phones and tablets Fast, lightweight, and secure – works instantly with no unnecessary permissions Who it’s for: Christians exploring Reformed theology Church members, small groups, and students Anyone seeking a clear understanding of the doctrines of grace Privacy first: No ads. No tracking. Just study and reflection. Read deeply. Reflect carefully. Grow in understanding.

Screenshots

Mental Math Games4 screens
CanonsOfDort4 screens

Verdict

The call

The clearest difference is price: Mental Math Games at Free against CanonsOfDort's $1.99. CanonsOfDort's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On 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

Mental Math Games is free to download; CanonsOfDort costs $1.99 up front. Mental Math Games sells 3 in-app purchases, starting at $4.99 per month. CanonsOfDort asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Mental Math Games versus CanonsOfDort: the parameters behind the verdict, then further details
ParameterMental Math GamesCanonsOfDort
PriceFree — better$1.99
Rating4.7 (1.2K ratings) — better—
Positive reviews93.4% of reviews—
Number of ratings1.2K — better—
Update frequencyEvery 9 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size58 MB30 MB
Age rating4+4+
DeveloperPeter SchmidtQ.Z.L Corp.

Bugs and 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

CanonsOfDort

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Mental Math Games

Subscriptions2
  • Pro Monthly$4.991 Month
  • Pro Annual3 Days trial$17.991 Year
One-time1
  • Pro Lifetime$49.99
None

CanonsOfDort

No in-app purchases

Questions

Is Mental Math Games free?
Mental Math Games is free to download, with in-app purchases available.
Is CanonsOfDort free?
CanonsOfDort costs $1.99, with no in-app purchases.
Do Mental Math Games or CanonsOfDort have ads?
Neither Mental Math Games nor CanonsOfDort shows ads.

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