Fartlek Interval Trainer icon
Fartlek Interval Trainer icon

Fartlek Interval Trainer

Converts spontaneous unplanned running sessions of different paces (known as "fartleks") into tracked interval segments providing valuable insights through rich visualisations of workout metrics.

Fartlek Interval Trainer screenshot 1

Cost / License

  • Freemium (Pay once or Subscription)
  • Proprietary

Platforms

  • iPhone  iOS 26 and upwards
  • iPad
  • Apple Watch  watchOS 10.6 and upwards
Fartlek Interval Trainer screenshot 1
Fartlek Interval Trainer screenshot 2
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Fartlek Interval Trainer screenshot 3
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Features

Properties

  1.  Privacy focused

Features

  1.  Works Offline
  2.  HIIT Workout
  3.  Custom Workouts
  4.  Dark Mode
  5.  Run Tracking
  6.  Ad-free
  7.  No registration required
  8.  Running
  9.  Support Apple Watch

Fartlek Interval Trainer News & Activities

Highlights All activities

Recent activities

Fartlek Interval Trainer information

  • Developed by

    GB flagRichard English
  • Licensing

    Proprietary and Freemium product.
  • Pricing

    One time purchase that costs $16, and / or subscription ranging between $1 and $6 per month + free version with limited functionality.
  • Alternatives

    0 alternatives listed
  • Supported Languages

    • English

AlternativeTo Category

Sport & Health
Fartlek Interval Trainer was added to AlternativeTo by PacoDiaz on and this page was last updated .
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What is Fartlek Interval Trainer?

Run faster and train smarter with the original Fartlek auto-detect interval training app. Built by runners for runners. For both Apple Watch and iPhone.

Train with classic intervals, HIIT, Tabata and Fartlek in one powerful running app.

More than just a simple timer. Switch to Fartlek mode and let FiT detect your speed, automatically converting your run into structured intervals.

No reaching for your device. No pressing buttons. Just automatic recording of your activity.

FiT displays your progress live, with color-coded feedback showing how hard you’re running and when you’re recovering. The beautiful Dual Progress Ring shows progress for the current interval and the overall workout, keeping you motivated throughout.

Analyze every interval with detailed pace, heart rate, cadence and distance metrics.

Share your runs with friends with full syncing to Strava and Apple Health.

Key features:

Auto-detection of spontaneous intervals in Fartlek mode Live color-coded effort feedback Powerful interval timer for structured workouts Detailed interval metrics and analysis Integrated with Strava and Apple Health NEW! Advanced effort levels automatically detect sprint, hard, moderate and easy effort during your run.

Run free. Train smart. Let the app do the rest.

Happy fartlekking!

Subscription Terms

FiT offers an optional auto-renewable subscription. Payment will be charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription at any time in your Apple ID account settings.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Privacy Policy: https://www.iubenda.com/privacy-policy/39192677

Official Links