Zone2Ai
Your Apple Watch and Garmin Zone 2 is wrong for 90% of people. It uses a formula from 1970 that does not account for your actual fitness. Zone2AI learns your real zones from your workouts — more accurate every session.
More Accurate Zone 2 for Athletes 50+
If you're over 50, your Zone 2 just got an upgraded. We've increased the amount of datapoints in our database, making zone 2 calculation for those 50 or older much more accurate.
Why it matters: dialing in your zone means less guesswork, safer training, and workouts that actually match where your heart is today.
Apple Watch: Your Other Workout Is Always One Tap Away
The Watch app now makes it crystal clear that today's recommended workout isn't your only option — a new line under the header tells you the alternative is right there below.
Why it matters: a few users thought the "Today: Zone 2" or "Today: Sprint" header was a directive and missed that they could tap the secondary workout. Now you'll see "Sprint also available below" (or vice versa) so you always know you're in control.
Smarter Feedback When Garmin Workouts Don't Qualify
We've upgraded how Zone2Ai handles Garmin workouts that don't make the cut, so you always know what happened and what to do next.
- Invalid Garmin workouts now reach the "Keep Going" splash instead of disappearing silently
- The Week tab coach explains the specific reason a workout didn't qualify so you can adjust
- Better visibility means fewer surprises and more confidence in your training data
Haptic Guidance Now Available for Garmin Watches Too
The Haptic Guidance intensity picker is now available for all users — not just Apple Watch owners. 🎉 We confirmed that adjusting the vibration intensity setting in the app syncs correctly to Garmin watches via the iPhone↔Garmin sync path, so you can fine-tune how your watch buzzes during Zone 2 workouts regardless of which smartwatch you're wearing.
Previously, this setting was hidden for non–Apple Watch users. Now it shows up for everyone, because it works for everyone. Less guesswork, more control over your workout feedback — whether you're on a Forerunner, Fenix, or Apple Watch.
Garmin sync is now way faster and more reliable
We've rebuilt how Garmin workout data flows into Zone2Ai. If you're a Garmin user, your recent workouts now skip the slower HealthKit path entirely and go straight to your Garmin data — which means faster, more accurate results. 🏃♂️
- Recent Garmin workouts now sync directly without the HealthKit detour
- You'll see a pending sync indicator while we wait for your authoritative Garmin data to arrive
- The app automatically retries until your real data is in — no more stale numbers
- Sync Now button now shows a spinner and a ✅ checkmark so you know it actually worked
Zone 5 calculations also use your Garmin cache when available, preventing those wildly wrong recalculations that could happen via HealthKit.
Weekly progress card is more reliable
The Current Week card on your home screen now handles errors gracefully with a retry option. If something goes wrong loading your weekly data, you'll see a clear error state instead of a spinning loader or stale info. Just tap to retry! 🔄
Onboarding gets a fresh new feel
We've polished up the onboarding experience to better tell the story of how Zone2Ai continuously adapts to you. The messaging now emphasizes that your training zones get smarter over time — not just once, but after every single workout. 🧠💪
- Updated smartwatch features screen to highlight that Zone2Ai "Gets Smarter Every Workout" with punchier descriptions of how RPE feedback works
- Sprint Boost screen now explains how 4x4 intervals help reveal your true max heart rate
- Smartwatch response screen updated to reinforce that your zones get more accurate every session
Zone 2 Calculator is now easier to find
We've made it simpler to access the Zone 2 Calculator! 🏃♂️ You can now find a direct link in the footer navigation, so it's always just a click away no matter where you are on the page.
- Added Zone 2 Calculator link to the footer navigation for quick access
- Added a call-to-action in blog posts so you can jump straight to the calculator while reading
Homepage gets a shiny new download button + text fix
We've made it even easier to grab the app straight from our homepage! 🎯
- A bright, high-contrast download button now sits front and center on the landing page — so you can get started with Zone2Ai faster than ever.
- Fixed an annoying text wrapping issue on mobile where phrases like "Unlock Endurance" and "Unlock Fat Burn" were breaking mid-word. Everything stays clean and readable now, no matter your screen size. 📱