Comparison

Fartlek Interval Trainer vs ActiveCue

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

Head to head
About

Fartlek Interval Trainer

This running app automatically detects spontaneous intervals during Fartlek runs, providing live color-coded feedback on your effort. It also functions as a powerful timer for structured workouts like HIIT and Tabata, offering detailed metrics and syncing with Strava and Apple Health.

Highlights
  • Auto-detection of Fartlek intervals
  • Live color-coded effort feedback
  • Structured workout timer (HIIT, Tabata)
  • Detailed interval metrics
  • Strava and Apple Health integration
  • Advanced effort level detection
Features
Read full description

Build the interval workout you want. Stay on target while you train. Then learn from every session. FiT is an interval timer and training companion for runners on Apple Watch and iPhone. Create classic intervals, HIIT and Tabata workouts—or run freely with automatic Fartlek interval detection. CREATE WORKOUTS YOUR WAY Build simple work-and-rest sessions or advanced workouts with warm-ups, cooldowns, repeated sets and multiple effort levels. FiT makes even complex sessions clear and easy to follow. STAY ON TARGET Color-coded feedback shows whether you’re on pace. Spoken coaching, audio and haptic alerts help you respond without constantly checking your device—and spoken cues automatically match your chosen language. The Dual Progress Ring shows both your current interval and your overall workout progress at a glance. FARTLEK WITHOUT THE BUTTONS Switch to Fartlek mode and run by feel. FiT detects changes in your speed and automatically converts them into recorded intervals. No reaching for your device. No tapping between efforts. Just run. LEARN FROM EVERY WORKOUT See how each interval performed with detailed pace, heart rate, cadence and distance metrics. Compare workouts to understand how your performance changes over time. Personalized coaching insights use your workout data to highlight meaningful patterns and offer practical recommendations for future sessions. ADVANCED EFFORT TRACKING Advanced workouts can distinguish between sprint, hard, moderate and easy efforts, helping you create more varied sessions and analyze every effort afterwards. APPLE WATCH, IPHONE AND YOUR FITNESS APPS Train in your chosen language on Apple Watch or iPhone. Create and edit interval workouts directly on your watch, with controls for inserting, reordering and deleting interval groups. Save completed workouts to Apple Health and sync your sessions with Strava. KEY FEATURES • Flexible interval timer for running, HIIT and Tabata • Automatic Fartlek interval detection • Dual-ring live workout progress • Color-coded pace and effort feedback • Localized spoken coaching, plus audio and haptic alerts • Create and edit interval workouts on Apple Watch • Detailed pace, heart rate, cadence and distance metrics • Performance tracking for every interval • Workout comparisons and personalized insights • Sprint, hard, moderate and easy effort levels • Apple Health and Strava integration • Light and dark appearance Run free. Train smart. Learn from every session. 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

About

ActiveCue

Read full description

ActiveCue is the interval running app built for people who want to train smarter — not stare at their phone. Set your run/walk intervals, press start, and put your phone away. ActiveCue handles the rest with voice prompts, automatic phase transitions, and a live countdown you can glance at on your Apple Watch. INTERVAL TRAINING, YOUR WAY • Fully customizable run and walk durations • Set your number of rounds and rest periods • Choose from beginner, intermediate, or custom presets • Works with any fitness level — from first-time runners to seasoned athletes HANDS-FREE BY DESIGN • Voice prompts announce every phase change • Countdown warnings at 10, 5, and 3 seconds • Motivational cues mid-run to keep you going • Screen stays off — your battery (and focus) will thank you GPS DISTANCE & PACE • Real-time distance and live pace tracking • Supports kilometers and miles • Pace displayed per km or per mile • Powered by CoreLocation for accuracy APPLE WATCH • See your phase, countdown, and round number on your wrist • Full native watchOS app — no iPhone needed during runs • Syncs automatically with the iOS app APPLE MUSIC INTEGRATION • Now-playing track and artist displayed during workouts • Skip, pause, and play controls without leaving the app • Music keeps playing seamlessly through all phase transitions APPLE HEALTH SYNC • Workouts automatically saved after every session • Includes duration, distance, heart rate, and calories • Fully compatible with the Health app and third-party fitness apps TRAINING PLANS (Premium) • Structured 5K and 10K plans with progressive weekly workouts • C25K-style beginner program • Advanced pace and analytics charts ACTIVEUE PREMIUM Unlock all features with a subscription or a one-time lifetime purchase. • Monthly: $4.99/month • Yearly: $29.99/year — includes a 14-day free trial • Lifetime: $79.99 — pay once, own forever Payment is charged to your Apple ID. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in your App Store account settings. Privacy Policy: https://activecue.store/privacy.html Terms of Use: https://activecue.store/terms.html

Screenshots

Fartlek Interval Trainer4 screens

Verdict

The call

The clearest difference is device support: Fartlek Interval Trainer at 2 against ActiveCue's —. ActiveCue's advantage is iOS requirement (17.0 vs 26.0). On price and in-app purchases 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

Both are free to download. Fartlek Interval Trainer sells 4 in-app purchases, starting at $0.99 per month and ActiveCue sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 6 level
Fartlek Interval Trainer versus ActiveCue: the parameters behind the verdict, then further details
ParameterFartlek Interval TrainerActiveCue
PriceFreeFree
Positive reviews75.0% of reviews—
Update frequencyWeekly—
AdsNo—
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, Apple Watch — better—
Requires iOS26.017.0 — better
Further details — not scored
Size85 MB7 MB
Age rating4+4+
DeveloperRichard EnglishJames Thompson

In-app purchases

4 purchases

Fartlek Interval Trainer

Subscriptions2
  • Monthly$0.991 Month
  • Annual7 Days trial$6.991 Year
One-time2
  • RemoveAds$0.99
  • Lifetime$14.99
3 purchases

ActiveCue

Subscriptions2
  • ActiveCue Premium - Monthly$4.991 Month
  • ActiveCue Premium - Yearly14 Days trial$29.991 Year
One-time1
  • ActiveCue Lifetime$79.99

Questions

Is Fartlek Interval Trainer free?
Fartlek Interval Trainer is free to download, with in-app purchases available.
Is ActiveCue free?
ActiveCue is free to download, with in-app purchases available.

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