Sander Belaen
Endurance data/HRV/VO2max enthusiast; shares practical guidance on zone 2, device differences, and readiness.
Century AI Seamlessly Syncs with Apple Watch via Health
Then there’s Century AI, built on top of apple health, so just works with the Apple Watch
Screenless Fitbit + Century AI Beats Whoop Price
Google Fitbit Air - Screenless Activity Tracker Listed on Amazon US for $99.99 Paired with Century AI and you basically have whoop style experience for less than half of what Whoop costs every year
Avatar Mountains Trek Drains Apple Watch to 1%
Hike through avatar mountains in China 🇨🇳, Apple Watch new body battery down to 1% 😅
Travel Drains Apple Watch Battery Even After Rest
Apple Watch body battery only at 60% right after waking up 😅 travel seems to be quite impactful
Switched to Apple Watch for Recovery and Bio‑Metrics
Ditched my whoop and I’m now fully back on the Apple Watch, there are apps that give you recovery, body battery, biological age
Apple Watch Apps Reveal Recovery, Battery, Fitness Age
you can just install an apps on the Apple Watch to give you recover, body battery, and fitness age
Hold DM Icon to Instantly Copy Link on Threads
Threads has a small new feature: hold the paper plane icon dm and the link copies instantly.
Garmin Support Arrives: Upgrade From Outdated Fitness Apps
It’s 2026 and we still need to choose between a watch that lasts longer than one day one a charge, and an app that looks like it was made in 2007. Garmin support coming soon the best health and fitness...
Apple Watch Replaces Whoop with Built‑in Health Apps
Ditched whoop for the Apple Watch again, you can just install apps that have recovery, body battery, daily health score
Finding the Right Balance for Feature Announcements
How do you notify users about new features? Experimenting with this, but is this too much?
New Workout Overview Adds Effort, HR Zones, Recovery
Workout overviews feature update 🚨 - Perceived effort - HR zone distribution - Suggested recovery time
Century AI Hits Product-Market Fit, Signals Success
Bright green flags Century AI reached "Product Market Fit" 🙌 Yesterday someone left this comment; (btw @whoop you can still buy us for €1m)