Best Longevity Calculator Apps

250+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated September 2026

With an average user rating of 3.8★, the longevity calculator category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Longevity Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Death Clock: The Life LabDeath Clock: The Life LabFree4.8★ (16K)NoYesSep 2026
2When Will I Die? - Death ClockWhen Will I Die? - Death ClockFree4.4★ (6K)YesNoSep 2026
3Death Clock: LongevityDeath Clock: LongevityFree—YesNoJun 2026
4Longevity Compass: Live longerLongevity Compass: Live longerFree2.6★ (15)YesYesSep 2026
5RD Life CalculatorRD Life CalculatorFree—NoNoJun 2026
6Lifespire LongevityLifespire LongevityFree—NoNoJun 2026
7Yorick: Death Clock & LifespanYorick: Death Clock & LifespanFree—YesYesSep 2026
8Hard TruthHard TruthFree—NoYesMay 2026

Top Picks for Longevity Calculator

Death Clock: The Life Lab#1

Death Clock: The Life Lab by Most Days

Improve your health with AI
Editor's Choice
💪 Health & Fitness
4.8😞(16K ratings)
FreeIn-App Purchases
Death Clock: The Life Lab screenshot 1
Death Clock: The Life Lab screenshot 2
Death Clock: The Life Lab screenshot 3
Death Clock: The Life Lab screenshot 4
Death Clock: The Life Lab screenshot 5
Death Clock: The Life Lab screenshot 6

This app uses AI and medical science to predict your lifespan and create a personalized plan for a longer, healthier life. It analyzes your health data, provides evidence-based recommendations, and tracks your progress in real-time.

What We Love

  • 💡 Interesting and amusing experience
  • 👍 Clean, smooth interface
  • 👍 Provides immediate results
  • 👍 Free to use without account

Room to Improve

  • 🐛 Buggy, with issues like freezing and crashing
  • 💰 Misleading about subscription fees and trial periods
  • 🤔 Inaccurate or irrelevant recommendations
  • 🤔 Doesn't account for important health factors
When Will I Die? - Death Clock#2

When Will I Die? - Death Clock by DH3 Games

Death Age Countdown Quiz
Strong Contender
🌟 Lifestyle
4.4😐(6K ratings)
FreeAds
When Will I Die? - Death Clock screenshot 1
When Will I Die? - Death Clock screenshot 2
When Will I Die? - Death Clock screenshot 3

Estimate your lifespan by answering lifestyle and habit questions. This app uses a unique algorithm to provide a death age countdown. Explore 10 different quizzes for entertainment.

What We Love

  • 🤡 Entertaining
  • 🤔 Thought-provoking
  • 🤷‍♀️ Curiosity-inducing

Room to Improve

  • 🙄 Unreliable results
  • 🤯 Potentially disturbing content
  • 🤑 Excessive ads
  • 🤖 Questionable accuracy

More Longevity Calculator apps to explore

FAQ about Longevity Calculator

What are the best longevity calculator apps for iPhone?
Death Clock: The Life Lab tops our longevity calculator apps ranking as of September 2026, with a 4.8-star average from 16K App Store ratings, and it's free to download.
Yes — 20 of the top longevity calculator apps we rank are free to download, including Death Clock: The Life Lab and When Will I Die? - Death Clock.
Death Clock: The Life Lab has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ longevity calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app uses advanced AI and medical science to predict your potential lifespan and provides a personalized plan to help you live a longer, healthier life. It analyzes your health data, offers evidence-based recommendations for diet, exercise, and supplements, and tracks your progress in real-time.
The app's AI longevity model is built on CDC data, global mortality research, and your lifestyle inputs, including daily habits and workouts. It also incorporates insights from comprehensive blood testing to analyze key biomarkers that influence your overall health and lifespan.