80 Summers turns your life expectancy into something you can see and feel. Answer 26 science-backed health questions and watch your remaining summers appear as a simple, powerful grid.
iPhone • iPad • Apple Watch • Widgets
See your entire lifetime laid out in a beautiful grid of 80 squares. Lived summers fade to gray. Remaining summers glow green. Recoverable summers show what you could gain.
Every question is grounded in peer-reviewed research from The Lancet, NEJM, Harvard, and Mayo Clinic across six health categories.
Connect Apple Health to automatically track sleep, exercise, steps, and heart rate. Your life expectancy updates as your real data changes.
See exactly which areas are costing you summers and get specific recommendations to earn them back.
Build healthy habits with daily check-ins. Earn points per habit, and every 100 points adds a summer to your countdown.
Add your summer countdown to your Home Screen or Lock Screen. Five widget styles keep your remaining summers visible every day.
Create stunning share cards in multiple styles. Share to Instagram, X, or anywhere to inspire friends to count their own summers.
All health data is stored on your device. Nothing is uploaded to any server. Your answers, your data, your privacy.
Because knowing the number changes how you spend them.