Mental Math Games vs CanonsOfDort
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
CanonsOfDort
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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
Verdict
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
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.
| Parameter | Mental Math Games | CanonsOfDort |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.7 (1.2K ratings) — better | — |
| Positive reviews | 93.4% of reviews | — |
| Number of ratings | 1.2K — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 58 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Schmidt | Q.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
Mental Math Games
- Pro Monthly$4.991 Month
- Pro Annual3 Days trial$17.991 Year
- Pro Lifetime$49.99
CanonsOfDort
No in-app purchases
Questions
Is Mental Math Games free?
Is CanonsOfDort free?
Do Mental Math Games or CanonsOfDort have ads?
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