Comparison

DisrupTek vs Mental Math

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

Head to head
About

DisrupTek

Read full description

Learn how to turn your business ideas into products or services that customers want to buy with 150+ videos, covering critical steps to help you build a viable business, with technology. Join Dr. John Park to start on your entrepreneurial journey: the DisrupTeK programme is now available in a convenient app so you can learn anywhere and anytime you want to. There will be additional, live Q&A sessions and webinars where Dr. Park will help you develop YOUR business opportunities. Learn how successful companies identify changes in the world around them, and these changes create new customer needs and aspirations. Learn how to use technology to build new products and services that are built around your customers. Learn how to build novel business models, to get your products to customers all over the world. Learn how to create a compelling case for investment. Features: • Complete course, to learn at your own pace and re-visit previous modules as often as you like. • Dip in an out at your convenience: follow the course progression or jump straight to elements of your choosing. • Off the grid? In the sky? Low on data? No problem! Take your learning experience anywhere with offline mode for all audio tracks. • Get personal access to Dr. John Park via interactive live Q&A sessions and webinars. • A great user experience with a state-of-the-art audio and video player. You do not have to be a technology expert to learn how to do this. The DisrupTeK approach works in existing companies and completely new ones. It has helped people all over the world. Download the app and subscribe now, to start YOUR entrepreneurial journey. • DisrupTeK • Length of subscription: subscribe for a period of one month or one year • Payment will be charged to your iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period for the same amount as the initial subscription • Subscriptions may be managed by the user and auto-renewal may be turned off by going to your Account Settings after purchase Privacy Policy: https://www.supapass.com/user-terms Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Mental Math

Enhance your arithmetic abilities with this app, offering various training modes and challenges. Improve your speed and accuracy in calculations for better performance in exams and professional life.

Highlights
  • Basic arithmetic operations
  • Mixed level challenges
  • Unlimited training mode
  • Fast mode for increased difficulty
  • Customizable color schemes
  • Global high scores
Features
Read full description

Mental math skills are essential in all areas of life. No matter if you are at work or in an exam, good mental math skills will help you to succeed. This app will help you to improve your mental math skills and thereby, will help you to have better success in exams or at work. BASIC FEATURES • All basic arithmetic operations • Mixed levels with different arithmetic operations • Trainings modus for unlimited questions • Fast modus for an increase in difficulty • Choose the color scheme you like the most • Highscores which let you compete with the rest of the world IN-APP PURCHASES • More levels for more improvement • Better improvement with statistical indicators and charts • Analyse your improvement with the help of statistics • Squares • Square Roots • 2² = ? • Percentages • Analyse your improvement with the help of statistics • More beautiful color schemes • Pro version which includes all features SUBSCRIPTIONS • Mental Math Pro: Duration: one week (1.99 $ per week) • Mental Math Pro: 1 Month: Duration: one week (4.99 $ per month) • Mental Math Pro: 6 Month: Duration: 6 Month (29,99 $ for 6 month) • Mental Math Pro: 1 Year: Duration: one week (22.99 $ per year) • Payment is made via iTunes account upon confirmation of purchase • The subscription is renewed automatically, unless the automatic renewal is deactivated at least 24 hours before the end of the time • Account will be charged for a new period within the 24 hours prior to the expiration of the time for a renewal • Subscriptions can be managed by the user and auto-renewal can be turned off after purchasing in account settings • The subscription can not be canceled during the active subscription period • You can manage the subscription in your personal settings after purchasing your iTunes account. There you can also switch off the automatic extension. You will find the Terms Of Use on: https://www.kopfrechnentrainer.de/terms-of-use/ And the Privacy Policy on: https://www.kopfrechnentrainer.de/privacy/

Screenshots

DisrupTek4 screens
Mental Math4 screens

Verdict

The call

The clearest difference is update cadence: Mental Math at every 3 days against DisrupTek's every 3 months. Mental Math also leads on iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases 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. DisrupTek sells 2 in-app purchases, starting at $32.99 per month and Mental Math sells 10 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DisrupTek ships an update every 3 months, Mental Math every 3 days. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
DisrupTek versus Mental Math: the parameters behind the verdict, then further details
ParameterDisrupTekMental Math
PriceFreeFree
Rating—4.6 (57 ratings) — better
Positive reviews—63.5% of reviews
Number of ratings—57 — better
Update frequencyEvery 3 monthsEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size42 MB53 MB
Age rating4+4+
DeveloperSupaPassCoffee Bytes LDA

In-app purchases

2 purchases

DisrupTek

Subscriptions2
  • DisrupTeK monthly subscription$32.991 Month
  • DisrupTeK yearly subscription$329.991 Year
10 purchases

Mental Math

Subscriptions4
  • Mental Math Pro: 1 Week$1.997 Days
  • Mental Math Pro: 1 Month3 Days trial$4.991 Month
  • Mental Math Pro: 1 Year3 Days trial$22.991 Year
Show 1 more
  • Mental Math Pro: 6 Month$29.996 Months
One-time6
  • Percents Intermediates$1.99
  • Percents Beginner$1.99
  • Survival Mode$1.99
Show 3 more
  • Statistics$2.99
  • Levels$2.99
  • Pro Version$3.99

Questions

Is DisrupTek free?
DisrupTek is free to download, with in-app purchases available.
Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Do DisrupTek or Mental Math have ads?
Both DisrupTek and Mental Math show ads.
Which is updated more often, DisrupTek or Mental Math?
DisrupTek ships an update every 3 months, and Mental Math every 3 days. Most recently, DisrupTek was updated on October 14, 2026 and Mental Math on October 12, 2026.

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