Does what it promises
A simple app that does exactly what it says: allows the user to create a workout and upload to Apple Watch
Great App
Exactly the app I was looking for. Finally an intuitive way to plan my marathon trainings properly.

Create and manage custom workouts and training plans that sync seamlessly with Apple Watch. Track your progress across iPhone, iPad, and Mac, with detailed summaries and weather forecasts for your activities.
2.3.0
September 13, 2026
Sumyt 2.3.0 brings equipment tracking, weekly totals, and full Dutch support. Equipment Tracking: - Track the mileage on your shoes and bikes, set warning and replacement thresholds, and let Sumyt link completed workouts to the right gear automatically. Weekly Totals: - Tap into a full breakdown of planned vs. actual totals for the week, right from your schedule or training plan calendar. Localization: - Sumyt is now fully available in Dutch. The app, Apple Watch companion, and all widgets are completely localized. Sumyt+: - A new one-time Lifetime purchase is now available alongside the Solo and Family subscriptions. Pay once, no subscription. Improvements and fixes: - External workouts that match a scheduled one now offer to merge, so Watch and third-party data don't create duplicates. - New external workouts default to the app you used last. - Scheduled workout counts are now accurate on an authorized Watch, and HealthKit retries are steadier. - General stability improvements.
MoreUnlock training plans and other features
No, Sumyt is ad-free. The app offers a free tier with core features and an optional subscription for advanced functionalities.
Sumyt is available on iPhone, iPad, and Mac. To fully benefit from automatic workout syncing, you will need an Apple Watch and an iPhone.
Workouts scheduled in Sumyt are automatically synced to your Apple Watch. Once completed, the workout details can be viewed and tracked on any of your devices.
Sumyt+ offers two subscription plans: Solo for $3.99/year and Family for $6.99/year. Both plans include a 1-month free trial.
Yes, Sumyt allows you to create custom workouts with warm-up, work, and cool-down intervals. You can also set individual preferences for over 80 Apple activity types.
The latest version of Sumyt is 2.0.4, last updated on January 20, 2026. The app is actively developed, with a commitment to incorporating user feedback.
Yes, Sumyt integrates with Apple Health to sync workouts. Your data is kept securely on your devices, prioritizing user privacy.
Sumyt+ unlocks features like unlimited training plans, training blocks, events, a library of custom workouts, and watch complications. It also helps support an indie developer.