Comparison

iSmoothRun vs Watchletic

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iSmoothRun

This app tracks and logs various fitness activities like running, walking, and cycling with extensive sensor support. It offers advanced training features, workout planning, and seamless integration with popular fitness platforms and HealthKit.

Highlights
  • Activity tracking (running, walking, cycling)
  • Advanced sensor support (HRM, stride, power)
  • Running Power training
  • Workout editor and planner
  • TrainingPeaks/Final Surge sync
  • HealthKit integration
  • Data export (GPX, TCX, KML, PWX, CSV)
Features
Read full description

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.

About

Watchletic

This app provides structured interval workouts directly to your Apple Watch, helping serious runners stay focused on their training. It syncs with popular training platforms and offers advanced pacing tools with audio and haptic alerts to keep you on track.

Highlights
  • Direct training plan integration
  • Workouts on Apple Watch
  • Audio and haptic alerts
  • Advanced pacing tools
  • Apple Health sync
  • Export to Strava, GPX, TCX, FIT
Features
Read full description

Watchletic is built for runners who take training seriously. If you see yourself as a “professional amateur” or just a running nerd, this app was made for you. It brings your training plan straight to your Apple Watch so you can focus on running, not fiddling with apps. Sync structured workouts from TrainingPeaks, Final Surge, Nolio, Intervals.icu, Trenara, V.O2, StrideOn, Athletica, TrainAsONE, and more. Your runs are stored in Apple Health and can be exported in all major formats. From interval sessions to long runs, Watchletic keeps you on pace, in the right zone, and moving toward your goals. # FEATURES — Direct plan integration: TrainingPeaks, Final Surge, Nolio, Intervals.icu, Trenara, TrainAsONE, and others — Workouts on your wrist: intervals, warm-ups, cooldowns, recovery, and long runs — Audio and haptic alerts so you never miss a split or target — Advanced pacing tools: split options, hill effort adjustment, and Stryd power support — Apple Health sync for seamless storage — Export anywhere: Strava, GPX, TCX, or FIT files — Always-On display keeps data visible mid-run — Simple setup with smart defaults to get you running right away — Built with the community: feature requests are always welcome and often implemented quickly # WATCHLETIC CLUB Enhance your experience with Watchletic Club, an optional subscription offering added benefits. Terms of Use: https://apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iSmoothRun4 screens
Watchletic4 screens

Verdict

The call

The clearest difference is price: Watchletic at Free against iSmoothRun's $4.99. Watchletic also leads on update cadence (every 2 weeks vs every 2 months) and review sentiment (80% vs 63%). iSmoothRun's advantage is ads (none vs shown) and ratings volume (942 vs 29). On rating, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Watchletic is free to download; iSmoothRun costs $4.99 up front. iSmoothRun sells 2 in-app purchases, starting at $4.99 per month and Watchletic sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for iSmoothRun against 4.3 for Watchletic. That said, the two scores are not equally well evidenced: iSmoothRun has 942 ratings behind it against 29, so its average is the more settled of the two. Written reviews are what separate them: 63% of iSmoothRun's written reviews are positive against 80% of Watchletic's.

UpkeepUpdate frequency

iSmoothRun ships an update every 2 months, Watchletic every 2 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 5 level
iSmoothRun versus Watchletic: the parameters behind the verdict, then further details
ParameteriSmoothRunWatchletic
Price$4.99Free — better
Rating4.4 (942 ratings) — better4.3 (29 ratings)
Positive reviews63.0% of reviews80.0% of reviews — better
Number of ratings942 — better29
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
Best chart rank#40 — better—
DevicesiPhone, iPod, Apple WatchiPhone, iPad, Apple Watch
Requires iOS15.0 — better16.0
Further details — not scored
Size31 MB92 MB
Age rating4+4+
DeveloperLake Horizon LtdHesselbom Tech AB

Customer experience

iSmoothRun

All ratings942 ratings
Positive84.2%
Neutral3.5%
Negative12.3%
Written reviews403 reviews
Positive63.0%
Neutral9.4%
Negative27.5%

Watchletic

All ratings29 ratings
Positive82.8%
Neutral6.9%
Negative10.3%
Written reviews45 reviews
Positive80.0%
Neutral6.7%
Negative13.3%

Bugs and requests

iSmoothRun

Reported bugs

4 issues
  • Frequent app crashes, especially when starting a workout
  • Inconsistent distance and pace tracking, especially on treadmill
  • Issues with syncing data between iPhone and Apple Watch
  • Problems with audio cues and notifications not working as expected

Requested features

5 requests
  • Improved Apple Watch app with standalone functionality
  • Better integration with popular fitness platforms
  • More customization options for data fields and audio cues
  • Ability to import and sync workouts from other sources
  • Improved battery life optimization

Watchletic

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

iSmoothRun

Subscriptions2
  • Pro Monthly Subscription7 Days trial$4.991 Month
  • Annual Pro Subscription7 Days trial$24.991 Year
2 purchases

Watchletic

Subscriptions2
  • Monthly7 Days trial$3.991 Month
  • Yearly1 Month trial$39.991 Year

Questions

Is iSmoothRun free?
iSmoothRun costs $4.99, and also offers in-app purchases.
Is Watchletic free?
Watchletic is free to download, with in-app purchases available.
Which has better reviews, iSmoothRun or Watchletic?
iSmoothRun is rated higher. iSmoothRun averages 4.4 out of 5 from 942 ratings, while Watchletic averages 4.3 from 29 ratings.
Do iSmoothRun or Watchletic have ads?
Watchletic shows ads; iSmoothRun does not.
Which is updated more often, iSmoothRun or Watchletic?
iSmoothRun ships an update every 2 months, and Watchletic every 2 weeks. Most recently, iSmoothRun was updated on September 23, 2026 and Watchletic on September 24, 2026.

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