Comparison

Mental Math vs B.I.S.F.

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

Head to head
About

Mental Math

Enhance your arithmetic abilities with daily math challenges. This app offers over 30 difficulty levels, personalized exercises, and progress tracking to help users of all ages improve their calculation speed and accuracy.

Highlights
  • 30+ difficulty levels
  • Personalized exercises
  • Progress tracking
  • Quick sessions
  • User-friendly design
  • Engaging and interactive
Features
Read full description

Boost Your Mental Math Skills – Anytime, Anywhere! Sharpen your mental math skills or take on exciting number challenges with the ultimate math-practice companion! Challenge Your Brain: Explore 30+ difficulty levels, from basic addition and subtraction to multiplication tables and division. Perfect for kids, students, and math enthusiasts! Tailored Learning: Progress at your own pace with exercises matched to your skill level. Each level has its own icon to help you track achievements and keep improving. Track Your Progress: Review detailed summaries after each session to spot strengths and areas to improve. Restart levels anytime to aim for perfection! Fun for All Ages: Designed to be engaging, interactive, and rewarding for learners of all ages. Why Choose Us? • Clean, user-friendly design. • Quick sessions to fit any schedule. • Perfect for students, educators, and lifelong learners. Download now and start your journey to mental-math mastery! Practice smarter, calculate faster, and enjoy the challenge. Subscription Information: The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage your subscription or turn off auto-renew in your iTunes account settings. Any unused portion of a free trial period will be forfeited when you purchase a subscription. Support & Policies: • support@ulilab.com • https://ulilab.com • Privacy Policy: https://ulilab.com/privacy • Terms of Use: https://ulilab.com/terms

About

B.I.S.F.

Features
Read full description

We strive to provide a modern educational experience that suits our young generations and meets their aspirations, by employing modern information technology in serving the educational and academic process. Our aim is to help all stakeholders in the educational environment gain quick, transparent, seamless, and error-free access to information, as well as to analyze it in a modern and innovative way that meets the immediate and ongoing need to understand the overall indicators of the educational institution.

Screenshots

Mental Math4 screens
B.I.S.F.4 screens

Verdict

The call

The clearest difference is in-app purchases: B.I.S.F. at none against Mental Math's 10. B.I.S.F. also leads on iOS requirement (15.6 vs 17.1). On price, update cadence, ads and device support 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 sells 10 in-app purchases, starting at $4.99 per 7 days. B.I.S.F. asks for nothing beyond the download.

UpkeepUpdate frequency

Mental Math ships an update every 3 weeks, B.I.S.F. monthly. The most recent releases landed on September 22, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 7 level
Mental Math versus B.I.S.F.: the parameters behind the verdict, then further details
ParameterMental MathB.I.S.F.
PriceFreeFree
Rating5.0 (5 ratings) — better—
Number of ratings5 — better—
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.115.6 — better
Further details — not scored
Size28 MB38 MB
Age rating4+4+
DeveloperAndrey LebedevHadi Ezzeddine

In-app purchases

10 purchases

Mental Math

Subscriptions9
  • Premium Plus$4.997 Days
  • Premium Plus3 Days trial$4.997 Days
  • Premium Plus$5.991 Month
Show 6 more
  • Premium Plus$11.993 Months
  • Premium Plus$14.991 Year
  • Premium Plus$17.491 Year
  • Premium Plus$24.991 Year
  • Premium Plus7 Days trial$24.991 Year
  • Premium Plus7 Days trial$39.991 Year
One-time1
  • Premium Plus$39.99
None

B.I.S.F.

No in-app purchases

Questions

Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Is B.I.S.F. free?
B.I.S.F. is free to download, with no in-app purchases.
Do Mental Math or B.I.S.F. have ads?
Neither Mental Math nor B.I.S.F. shows ads.
Which is updated more often, Mental Math or B.I.S.F.?
Mental Math ships an update every 3 weeks, and B.I.S.F. monthly. Most recently, Mental Math was updated on September 22, 2026 and B.I.S.F. on October 13, 2026.

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