I’m on a kick, trying a few different strength training apps. I’ve been on the hunt for something that works well on an Apple Watch, builds workouts dynamically based on load history, has a good interface for exploring trends over time, and captures heart rate. Bonus points for syncing with Strava.

Mike Lapidakis

@mike@lap.social

I started with FitBod, which came highly recommended and did a pretty decent job with workout generation, but didn’t capture heart rate, and I found the watch app and phone app regularly got out-of-sync. I then hopped over to Hevy, but they don’t have a workout generation feature.

June 4, 2025 at 2:43:53 PM

Last I tried Peloton Strength+, which is nicely polished, but doesn’t incrementally increase weights or provide easy-to-see trends. There are a few others I looked at, like Strong, but were missing key features.

I finally found Train Fitness. It checked all the boxes, and then some. Both the watch app and phone app are top notch, the workout generator is best-in-class, it has auto workout and rep counting identification, and it takes heart rate seriously. It even syncs to Strava. I’m blown away by this app.

While researching, I didn’t come across many folks talking about Train Fitness. Maybe the name is too generic and failing the SEO/social test. Either way, it’s the app I’m sticking with and the one I’d recommend to anyone with an Apple Watch.

If you’re in the market for a strength training app, check them out. Here’s a referral link that includes 2 free months. I’m happy to answer questions about my experience with Train Fitness or the other services.

https://trainfitness.ai/referral/lap

It’s probably too manual for what you’re after, but I’ve used Strong for years, apps.apple.com/gb/app/strong-w

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