Longevity Arc vs Crux Cycling

Longevity Arc turns your Apple Health data into five clear longevity signals. Instead of digging through scattered charts, you can see HRV, fitness, sleep, gait, and cardiac load together in one simple dashboard designed to help you understand how your body is trending over time. Built for people who care about healthspan, recovery, and long-term performance, Longevity Arc helps you spot changes faster and focus on the metrics that matter most. The app is designed to feel simple at a glance while still giving you useful depth when you want to explore trends and patterns. What you can do in Longevity Arc: - Track five science-inspired longevity signals from Apple Health in one place. - Review your HRV, sleep, fitness, gait, and cardiac-load trends without jumping between different screens. - Get a clearer picture of how daily habits may affect your long-term trajectory. - Use a private, HealthKit-powered experience built around your own data. Why people use Longevity Arc: - Apple Health already contains valuable signals, but they are often fragmented and hard to interpret quickly. - Longevity Arc brings those signals together into a more readable view so you can check your status in seconds. - The focus is not noise or endless scores - it is a cleaner way to monitor meaningful change over time. Privacy and data: - Longevity Arc works with your Apple Health data. - You stay focused on your own signals, trends, and progress. Ideal for: - Biohackers tracking recovery and resilience. - Health-conscious users who want a simpler Apple Health dashboard. - Founders, athletes, and everyday users trying to balance stress, fitness, and sleep over time. Privacy Policy: https://longevityarc.app/privacy Terms of Use: https://longevityarc.app/terms

See where your effort went, track your progress and plan your next big ride. Crux brings cycling analysis, training trends and race planning together on your iPhone. From weekday rides to long gravel events, turn the data from your cycling computer into something you can use. UNDERSTAND YOUR RIDES Explore power, heart rate, elevation, cadence and climbs in interactive charts. Review training load, compare repeated intervals lap by lap and log how the ride felt. With sufficient power data, W′ balance estimates how your reserve for hard efforts was used and recovered. PLAN YOUR NEXT EVENT Import a GPX course, choose your bike and surface, and estimate ride and climb times. Build an hour-by-hour fuelling and hydration plan around your bottles, food, refill stops and bag drops. Check carbohydrate intake, gaps between refills and what to pack. Save a separate setup for each course and count down to race day. FOLLOW YOUR PROGRESS Track power records, heart-rate zones, fitness, fatigue and form. See your FTP estimate and the ride efforts behind it. Compare your fresh power with what you can produce deep into a long ride. KEEP YOUR CLIMB HISTORY Palmarès brings every attempt on the same climb together, names each climb from the map and shows where it is on your route. Follow your personal records, see how your times change, and rename any climb to what the locals call it. LOOK AFTER YOUR BIKE Keep bike kilometres, service history and maintenance reminders in one place. Compare gearing and calculate tyre pressure, speed at cadence and estimated climbing times for your setup. SHARE THE RIDE Place ride stats over your own photo and share the result with your riding mates or on your story. BRING YOUR RIDES WITH YOU Connect intervals.icu once and rides from Garmin, Wahoo, Zwift, Hammerhead, COROS and more arrive automatically, including your last five years of rides on first connect. You can also connect Wahoo directly, or import FIT files and ZIP archives. PRIVATE BY DESIGN No Crux account required. Ride analysis works offline. Crux processes your ride data on your device and never uploads your rides, training data or bike details. To name climbs, it looks up points on each climb with Apple Maps. No advertising or cross-app tracking. Import your first ride and get to know it better.