AI · alternatives · 2026

24 alternatives to TortoFit — Your Path to a Healthier Life

Calculate your biological age and discover how to reverse it

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Lifestack▲608

   Calendar meets wearables to boost your productivity

   2024 · lifestack.ai · its alternatives →

2. 2
   Lifestack (Web + AI Scheduler)▲576

   First AI calendar to use health data for better productivity

   2025 · lifestack.ai · its alternatives →

3. 3
   Zest▲167

   Extend your healthy lifespan

   2024 · apps.apple.com · its alternatives →

4. 4
   Zero▲445

   A simple app to track your fasting

   2016 · medium.com · its alternatives →

5. 5
   Metric▲112

   Understand your health data better

   2025 · joinmetric.com · its alternatives →

6. 6
   PeakRoutine▲278

   Personalized health coaching powered by your biomarkers

   Jun 2026 · peakroutinehealth.com · its alternatives →

7. 7
   Age Calculator▲65

   Secrets of time: know your age instantly

   2023 · play.google.com · its alternatives →

8. 8
   reThrive: Discover your True Age▲11

   Wearable-powered insights to slow your pace of aging

   Dec 2025 · rethrive.co · its alternatives →

9. 9
   Life Fasting Tracker▲104

   Easy and social way to do intermittent fasting

   2018 · its alternatives →

10. 10
    KinetFit-How old is your body? ▲2

    How old is your body? Find out offline.

    Jul 2026 · phinn.github.io · its alternatives →

11. 11
    Longist▲161

    AI longevity health coach

    2025 · longist.io · its alternatives →

12. 12
    bioage.fit▲11

    Discover Your True Biological Age while Tracking Activities

    2025 · its alternatives →

13. 13
    Mira▲3

    See how fast your body is actually aging

    Apr 2026 · apps.apple.com · its alternatives →

14. 14
    VIARUM ▲3

    Know your biological age. Know what it's costing you.

    Jun 2026 · viarum.co.uk · its alternatives →

15. 15
    My Health Tools▲3

    Find out your biological age in 3 minutes — free

    Jun 2026 · my-health-tools.com · its alternatives →

16. 16
    Health and Medical Calculator▲79

    Comprehensive medical, fitness and health calculator

    2021 · play.google.com · its alternatives →

17. 17
    Zest 2.0▲124

    A science-backed app to help you live better for longer

    2023 · zest.science · its alternatives →

18. 18
    Scanfit▲95

    Convert calories to your favourite physical activity

    2019 · sliday.com · its alternatives →

19. 19
    Longevity One▲13

    Track your longevity score and biological age

    2025 · mylongevitycentre.co.uk · its alternatives →

20. 20
    Biological Age Calculator▲3

    Find your true biological age.

    2024 · its alternatives →

21. 21
    Biohack▲9

    Your food ages you or protects you. Now you can see which.

    Jun 2026 · apps.apple.com · its alternatives →

22. 22
    SuperAge▲6

    Discover your Body's True Age

    2025 · apps.apple.com · its alternatives →

23. 23
    Nuvo: Biological Age Tracker▲2

    Lower biological age with healthy habits.

    Jun 2026 · apps.apple.com · its alternatives →

24. 24GI
    Grams.io – calculate how long drug(s) stay in body▲50

    A half-life calculator that estimates how long a drug is in your body.

    2022 · grams.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →