Comparison

Mental Math Games vs ISFB

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
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.

About

ISFB

Features
Read full description

ISFB Learn is the official learning platform of Imarticus School of Finance & Business (ISFB), designed to support students throughout their academic journey with an engaging and technology-enabled learning experience. ISFB combines academic excellence with industry-driven learning to prepare students for careers in finance, business, AI, fintech, investment banking, and related domains. Through the app, students can access learning resources, coursework, assessments, and important academic updates anytime, anywhere.

Screenshots

Mental Math Games4 screens
ISFB4 screens

Verdict

The call

The clearest difference is in-app purchases: ISFB at none against Mental Math Games's 7. ISFB also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.0). Mental Math Games's advantage is update cadence (every 9 days vs every 6 weeks). On price 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. Mental Math Games sells 7 in-app purchases, starting at $4.99 per month. ISFB asks for nothing beyond the download.

UpkeepUpdate frequency

Mental Math Games ships an update every 9 days, ISFB every 6 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Mental Math Games versus ISFB: the parameters behind the verdict, then further details
ParameterMental Math GamesISFB
PriceFreeFree
Rating4.7 (1.2K ratings) — better—
Positive reviews93.4% of reviews—
Number of ratings1.2K — better—
Update frequencyEvery 9 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.6 — better
Further details — not scored
Size58 MB335 MB
Age rating4+4+
DeveloperPeter SchmidtImarticus

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

ISFB

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

ISFB

No in-app purchases

Questions

Is Mental Math Games free?
Mental Math Games is free to download, with in-app purchases available.
Is ISFB free?
ISFB is free to download, with no in-app purchases.
Do Mental Math Games or ISFB have ads?
Neither Mental Math Games nor ISFB shows ads.
Which is updated more often, Mental Math Games or ISFB?
Mental Math Games ships an update every 9 days, and ISFB every 6 weeks. Most recently, Mental Math Games was updated on November 3, 2026 and ISFB on October 31, 2026.

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