iSmoothRun is the best App to effectively track and log all of your running, walking, hiking, cycling and any other fitness activity. Solid performance. Continuous development. Best sensor support (HRM, stride sensor, speed/cadence combo, cycling power, running power, treadmill)

Now with support for Watch OS9 "Running Power". (for devices that support it), Always ON Display support and Apple Watch Ultra Action Button.
Base your training on Running Power, create workouts with power intervals and take your training to the next level.

The best stand alone Apple Watch app, with configurable pages and solid performance that puts to shame any sports watch.
Connect your BT sensors to your watch and leave your phone home.

Best Interval and workout editor to help you follow your training plan. Create any workout based on HR, HR Zone, Pace or Power and let the app pace you. Workouts are available on the Apple Watch too with full Audio support!

Auto sync structured workout plans from Training Peaks, Final Surge and TrainAsOne (requires Pro subscription). Connect with these services and have your structured workouts directly on your Apple Watch or iPhone. Start your run and let the app coach you.

Integration with HealthKit. iSmoothRun uses HealthKit to export your activities into the Health and Activity apps and to read heart rate and biometric data.

Accurately tracks time, distance, location, pace, altitude, running cadence, heart rate, power and reports them with audio announcements at configurable time or distance intervals.

- Improve you running Form
iSmoothRun will consistently track your running cadence. Use the build in metronome (iPhone only) to easily raise it.

- The most extended support for sensors
All BT Smart sensors (HRMs, footpods, speed/cadence combo, cycling power, Stryd running power custom metrics like Contact Time, Form Power etc are supported too)
All ANT+ (extra hardware needed: 4iiii Viiiiva )

- Your data are yours, Don't lock yourself in.
We love being open. Export your training data in GPX,TCX,KML,PWX, or CSV format. Connect and share your workouts with the most active running communities, Strava, Runkeeper, sportTracks, Movescount, SmashRun, TrainingPeaks, FinalSurge, Runalyzer, TrainAsOne and MapMyRun .This is the most connected app, period.

-Run/Walk
Are you into Run/walk training? Great. Now it's easier than ever to set your timers and enjoy all the benefits of the best running app.

- Track your Shoe mileage
Every runner knows that tracking the mileage of his running shoes is essential.

- Check your workout statistics
Average pace/speed, cadence, total distance, time, average/maximum heart rate and climb. Splits and interval statistics.

- Your iPhone is your training log
All your data stored in the device. Amazing customizable graphs for each run and for weekly, monthly loads. Follow closely your training load, train smarter and avoid overtraining.

- Ghost Run
Race against a previous run of yours or a predefined pace. Get motivated, evaluate your training.

...and much more!

** You can subscribe and pay through your iTunes account. Payment will be charged to iTunes account at confirmation of purchase. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renew may be turned off after purchase by going to the 'Manage Subscription' page in settings. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. The subscription will renew at the same cost.
** Continued use of GPS running in the background can dramatically decrease battery life.
**iPod touch users are advised to use an external sensor, GPS or footpod.