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About 121 Health

Every wonder what to do with your Apple Watch or other fitness wearable data? Well, AI seems to be in the news everywhere... Sounds like a perfect match! Introducing 121 Health: a next generation longevity health analysis and preventive medicine platform. Here are some core features: JOURNEYS: Unlock personalized longevity plans, starting with Optimal Water, a journey which helps you uncover your optimal water intake for your health. LONGEVITY-BIOMETRICS: Unlock 100+ longevity-based metrics. Our servers perform continuous, real-time computations find deep connections in your existing health data, which is crucial for optimizing your longevity. DAILY AND WEEKLY INSIGHTS: Start your day with sleep, activity, and readiness scores. Each week, gain a longevity score based on 30+ biometrics. CHAT: Chat with 121 to explore your biometrics. Answers cross-reference your data with over 100,000 of the top papers in longevity science. Worrying about sharing your data? Fear not! Your data is completely anonymized before it touches our servers. It's not linked to you at all. Excited? Let's dive in. Get access to your first longevity insights now. By using 121 Health, you agree to the following: Privacy Policy: 121health.app/privacy. TOS: 121health.app/terms. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & reviews

4.8

73 ratings

5 ★ 93% 4 ★ 1% 3 ★ 0% 2 ★ 1% 1 ★ 4%

What’s new

Version 2.4.1 · Updated January 25, 2025

Blood tests!

App privacy

The developer, 121Health LLC, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Health & Fitness: Health
  • Identifiers: User ID
  • Usage Data: Product Interaction
  • Diagnostics: Crash Data

Used for: Analytics, Product Personalization, App Functionality

Alternatives to 121 Health

Looking for apps like 121 Health? Here are 6 similar apps on the App Store. The highest rated is Basis Connect (4.4/5), and all 6 are free to download.

121 Health vs. alternatives
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121 Health 4.8 / 5 (73 ratings) Free January 25, 2025
Longevity Biomarkers 3.9 / 5 (12) Free Jul 13, 2026 Compare
Metric: Health & Longevity 4.2 / 5 (25) Free Oct 23, 2026 Compare
Island Health & Fitness – Free Sep 18, 2024 Compare
Basis Connect 4.4 / 5 (8) Free Oct 19, 2026 Compare
Laboratory Test Analyzer 4.0 / 5 (4) Free Jul 8, 2025 Compare
Longevity App – Free Apr 1, 2026 Compare

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