# Gradual Healthspan & Longevity — Optimize your Biological Age > Calculates biological age and offers tools for healthspan improvement. (iPhone/iPad app by Paul Silvis.) - Source: https://appshunter.io/ios/app/gradual-healthspan-and-longevity/id6759505043 (this page in markdown: same URL + `.md`) - Developer: [Paul Silvis](https://appshunter.io/developer/934516701) - Category: Health & Fitness, Education - Price: Free with in-app purchases - Rating: 5.00/5 from 11 App Store ratings · 9 written reviews indexed - Age rating: 17+ - Requires: iOS 15.1 · 81 MB - Languages: American English, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China), European Spanish, Swedish - Released: 2026-03-10 - Data updated: 2026-08-13 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/gradual-healthspan-and-longevity/id6759505043/reviews.md ## What is Gradual Healthspan & Longevity? Gradual calculates your biological age from five science-backed health dimensions then gives you the tools to improve it. Learn from actionable insights based on your individual biomarkers, vitals, workouts and longevity insights, all in one place. YOUR BIOLOGICAL AGE (GRADUAL AGE) See beyond the calendar. Your Gradual Age is a composite biological age built from five pillars: cardiorespiratory fitness, autonomic health, sleep quality, vascular function, and PhenoAge blood biomarkers. Compare each dimension to your chronological age, track your trend over time, and share your results with your doctor. DAILY READINESS SCORE Know when to push and when to recover. Your Readiness Score combines HRV, resting heart rate, sleep, training strain, and mood — calibrated to your personal baselines, not population averages. AI-POWERED LAB ANALYTICS Upload a PDF from any lab provider and Gradual extracts the results automatically. Track 40+ blood biomarkers across cholesterol, glucose, hormones, vitamins, inflammation, and more. Every optimal range is backed by peer-reviewed citations so you can take control of your healthspan. HABITS THAT COMPOUND Small inputs, big outcomes. Build daily routines around supplements, fitness goals, mindfulness, and sleep targets. Track streaks and monitor weekly consistency with zero friction and no manual entry. CONNECT YOUR DEVICES Sync with Apple Health and Strava. Sleep, HRV, resting heart rate, VO2 max, training load, and more flow in automatically — no extra wearable required. AI HEALTH INSIGHTS Get context-aware analysis across your habits, vitals, and labs. Tap any insight to ask follow-up questions. Understand what's driving your biological age and what you can do to reverse aging trends. Rule-based insights are always free. TRAINING LOAD & FITNESS TRACKING Track weekly volume across running, cycling, and strength training. See your chronic load trend and get recovery recommendations based on your current state. STRENGTH TRAINING Log every rep and set with a purpose-built workout tracker. Drag to reorder exercises, track progressive overload, and review your session history. Start from templates or build your own. HEALTH NEWS Stay informed with curated articles from PubMed, NIH, and Harvard Health, filtered for longevity, anti-aging research, and wellness topics that matter to you. GRADUAL PRO Unlock the full experience: • Advanced AI Analysis with interactive follow-up chat for deeper health insights • Enhanced Lab Imports with 10 AI-powered lab imports per month • AI powered workout training plans that are highly personalized to you and your goals • Priority Support Always Free: Habit tracking, Gradual Age, Readiness Score, and biomarker tracking are free for all users, forever. PRIVACY & SECURITY Your health data is personal. Gradual does not store your data on our servers. Your vitals and lab results are encrypted on-device and synced securely via your private iCloud account. No account creation required. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Supplemental Terms of Service: https://gradual.health/terms-of-service.html ## Key features - Biological age calculation - Daily readiness score - AI-powered lab analytics - Habit tracking - Device syncing (Apple Health, Strava) - AI health insights - Strength training tracker ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Gradual Pro Annual | $39.99 | per year | | Gradual Pro Monthly | $3.99 | per month | ## Recent user reviews (9 of 9) All indexed reviews: https://appshunter.io/ios/app/gradual-healthspan-and-longevity/id6759505043/reviews.md ### 5/5 — Fantastic *2026-08-11* Love being able to see my biological age and all of my health data in one place ### 5/5 — Trying to replace my Whoop with my own device and this app *2026-07-13* Affordable and open, the layout and app design is decent. I like how it focus on longevity and let me import lab report from the bloodwork, very serious ### 5/5 — Great way to view my Garmin data! *2026-07-12* Such a clean app that makes it easy to see all of my stats from my watch. Really clean and so many useful features ### 5/5 — Didn't think an app could do this honestly 🙌 *2026-05-04* I'm 38 and got into the whole longevity thing after my dad had a health scare last year. Tried a few apps but they were either way too intense or way too basic. Gradual hit the sweet spot where it nudges me to do better without making me feel bad about myself. I've been way more consistent with my walks, sleep, and water intake than I was all of last year. ### 5/5 — Finally a health app that actually measures aging, not just steps *2026-04-14* Most health apps just count calories or steps. This one tells you your biological age and shows you exactly how to improve it. The lab upload feature is a game changer – no more manually typing in blood test results. And the readiness score actually helps me decide if I should hit the gym or rest. Solid. ### 5/5 — Rigorous *2026-04-11* Great app for building consistent health habits and has lots of interesting data points. I appreciate that they update it to keep making it better. ### 5/5 — Good for health insights *2026-04-06* This has become a part of my routine for monitoring wellness trends. It interprets health data into actionable longevity insights which has been helpful. It feels like it was built for people who want a more scientific approach for health tracking vs. Athlytic that I used previously. Definitely worth a look if you’re into data-driven health optimization. ### 5/5 — My new fitness tracker! *2026-04-03* Finally an app that has your entire health data in one place, with privacy as the top priority. Swapping out Bevel for this! ### 5/5 — Actionable *2026-03-30* It provides health insights that are actually useful. I appreciate that it combines my lab results with my other activity info so I have everything in one spot. It has helped me to stay on top of my health ## Frequently asked questions about Gradual Healthspan & Longevity ### What is Gradual's biological age calculation based on? Gradual's biological age is built from five pillars: cardiorespiratory fitness, autonomic health, sleep quality, vascular function, and PhenoAge blood biomarkers. It allows you to compare each dimension to your chronological age and track trends. ### How does Gradual calculate the Daily Readiness Score? The Daily Readiness Score combines HRV, resting heart rate, sleep, training strain, and mood. It's calibrated to your personal baselines, not population averages, to help you know when to push and when to recover. ### Can Gradual analyze my lab results? Yes, Gradual features AI-powered lab analytics. You can upload a PDF from any lab provider, and it automatically extracts results for over 40 blood biomarkers, with optimal ranges backed by peer-reviewed citations. ### What features are always free in Gradual? Habit tracking, Gradual Age calculation, the Readiness Score, and biomarker tracking are free for all users, forever. These core features are available without any subscription. ### Does Gradual have ads? No, Gradual is ad-free. As indicated by the data, the application does not contain advertisements, ensuring an uninterrupted user experience. ### What devices does Gradual support? Gradual is supported on Apple Watch, iPhone, iPad, and iPod. It can also sync data from Apple Health and Strava. ### How does Gradual handle user privacy and security? Gradual prioritizes privacy by not storing user data on its servers. Vitals and lab results are encrypted on-device and synced securely via your private iCloud account, with no account creation required. ### What are the benefits of Gradual Pro? Gradual Pro unlocks advanced AI analysis with interactive chat for deeper health insights, enhanced lab imports (10 per month), and priority support. These premium features offer a more comprehensive and personalized health management experience. ## Version history (last 5 releases) ### 1.4.21 — 2026-08-12 More reliable Health and sharing: Resting Heart Rate now uses Apple Health’s daily estimate, and share previews open reliably on iOS. ### 1.4.20 — 2026-08-03 New Strength Progress sharing: create visual workout-history cards for posts or stories, customize what appears, choose a time range, and export in any supported language. Also includes bug fixes, reliability improvements, and polish. ### 1.4.19 — 2026-08-02 New Strength Progress sharing: create visual workout-history cards for posts or stories, customize what appears, choose a time range, and export in any supported language. Also includes workout history and sharing reliability improvements. ### 1.4.18 — 2026-07-28 This update includes adds additional supported exercises, and addresses several bug fixes for Strength workouts, workout history and in-progress sessions. ### 1.4.17 — 2026-07-14 Share your lab results: turn your report into a clean, shareable card. Improved app polish and minor fixes throughout. ## More apps by Paul Silvis - [TinyWords - Toddler Vocabulary](https://appshunter.io/ios/app/tinywords-toddler-vocabulary/id6759224967) All apps by Paul Silvis: https://appshunter.io/developer/934516701 ## Related topics [pnoe longevity lab](https://appshunter.io/ios/topics/pnoe-longevity-lab) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*