Comparison

FastFit vs Biotandem

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

Head to head
About

FastFit

This app guides you through personalized intermittent fasting schedules to help you lose weight, improve metabolic health, and boost energy. It offers intuitive tracking, meal recommendations, and progress insights to keep you motivated on your wellness journey.

Highlights
  • Personalized fasting schedules
  • Progress tracking
  • Meal recommendations
  • Weight loss guidance
  • Metabolic health improvement
  • Energy level boosting
Features
Read full description

Experience the transformative power of intermittent fasting with FastFit! Revolutionize your health and wellness journey with our intuitive app designed to guide you through personalized fasting schedules, track progress, and achieve your fitness goals effortlessly. Join the millions who have embraced the benefits of intermittent fasting with FastFit today! Discover the ultimate tool for unlocking your body's potential and achieving your health goals with FastFit. Whether you're looking to lose weight, improve metabolic health, or boost energy levels, FastFit provides the roadmap to success through customizable fasting schedules tailored to your lifestyle. With features like intuitive tracking, meal recommendations, and progress insights, you'll stay motivated and empowered on your journey to a healthier you. Also, get unlimited access to features like more fasting plans, statistics, and filtering with premium plans! Say goodbye to restrictive diets and hello to a sustainable lifestyle with FastFit! Subscriptions will be applied to your iTunes account and will automatically renew unless canceled within 24-hours before the end of the current period. You can cancel anytime with your iTunes account settings. Any unused portion of a free trial will be forfeited if you purchase a subscription. For more information, see our policies. Privacy: https://buki.dev/app/fastfit/privacy Terms of use: https://buki.dev/app/fastfit/terms Contact: https://buki.dev/app/fastfit/contact

About

Biotandem

Read full description

Biotandem leverages the Digital Health Twin concept β€”a continuously updated virtual model of a patient’s comprehensive health profileβ€” to deliver proactive, personalized, and integrated clinical decision support. This approach helps anticipate clinical risks and consolidates multidisciplinary insights to support better decisions at the point of care.

Screenshots

FastFit4 screens
Biotandem4 screens

Verdict

The call

The clearest difference is ads: Biotandem at none against FastFit's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. FastFit sells 4 in-app purchases, starting at $1.99 per 7 days and Biotandem sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 30, 2026.

Scorecard1 real difference Β· 7 level
FastFit versus Biotandem: the parameters behind the verdict, then further details
ParameterFastFitBiotandem
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo β€” better
In-app purchasesYesYes
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.115.1
Further details β€” not scored
Size55 MB48 MB
Age rating4+4+
DeveloperIzni Burak DemirtasIOWorks Corporation

In-app purchases

4 purchases

FastFit

Subscriptions3
  • Weekly Subscription3 Days trial$1.997 Days
  • Monthly Subscription3 Days trial$3.991 Month
  • Annual Subscription7 Days trial$24.991 Year
One-time1
  • Remove Ads$4.99
10 purchases

Biotandem

Subscriptions10
  • Family (Monthly)$4.991 Month
  • Family (Yearly)$49.991 Year
  • Pro (Monthly)$49.991 Month
Show 7 more
  • Pro + Oncology (Monthly)$69.991 Month
  • Pro + Cardiovascular (Monthly)$79.991 Month
  • Pro + Combo (Monthly)$89.991 Month
  • Pro (Yearly)$499.991 Year
  • Pro + Oncology (Yearly)$799.991 Year
  • Pro + Cardiovascular (Yearly)$799.991 Year
  • Pro + Combo (Yearly)$899.991 Year

Questions

Is FastFit free?
FastFit is free to download, with in-app purchases available.
Is Biotandem free?
Biotandem is free to download, with in-app purchases available.
Do FastFit or Biotandem have ads?
FastFit shows ads; Biotandem does not.
Which is updated more often, FastFit or Biotandem?
FastFit ships an update every 3 weeks, and Biotandem every 3 weeks. Most recently, FastFit was updated on October 30, 2026 and Biotandem on October 30, 2026.

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