Alternatives to Intervals.icu

Free web platform for analysing training load, fitness and power data for endurance athletes. The listings below can replace it for an important use case. Each note says what changes if you switch.

  • Intervals.icu

    Free web platform for analysing training load, fitness and power data for endurance athletes.

    FreeProprietaryWeb

Replacements

Listings that take over the same core job as Intervals.icu.

  • TrainingPeaks

    An endurance training platform for athletes and coaches to plan, follow and track structured workouts.

    FreemiumProprietaryAndroidiOSWeb

    TrainingPeaks adds phone apps and a coaching marketplace of structured plans, but many features require a paid plan unlike free Intervals.icu.

  • RUNALYZE

    A manufacturer-independent web platform for analysing training data from runners and other endurance athletes.

    FreemiumProprietaryWeb

    RUNALYZE is a manufacturer-independent web platform with VO2max estimates and race predictions, with some features behind Premium.

  • GoldenCheetah

    Open-source desktop app for analysing cycling and triathlon power and performance data.

    FreeOpen sourceWindowsmacOSLinux

    GoldenCheetah is a free, open-source desktop app that keeps power data on your own computer across Windows, macOS and Linux.

  • Xert

    An online endurance training platform that models fitness and analyses workouts without FTP tests.

    PaidProprietaryWeb

    Xert is a paid hosted platform that models fitness without FTP tests and gives real-time feedback during training.

  • SportTracks

    Web-based training log and performance analysis platform for running, cycling and triathlon.

    FreemiumProprietaryWeb

    SportTracks is a web training log with customizable analysis layouts and a documented API, with paid plan details not listed.

  • Final Surge

    An online training log and planner for athletes, coaches, teams and clubs.

    FreemiumProprietaryAndroidiOSWeb

    Final Surge is a free training log with iOS and Android apps and built-in coach communication, with premium features on a paid tier.

  • Smashrun

    A running analytics site that graphs years of run history and awards badges.

    FreemiumProprietaryWeb

    Smashrun focuses on long-term run statistics and badges from imported data, with some features requiring payment.

  • HealthFit

    An iPhone app that turns Apple Health and Apple Watch workout data into training metrics.

    PaidProprietaryiOS

    HealthFit computes training load, fitness and form metrics from Apple Health data on iPhone, and is paid upfront.

Also worth comparing

These listings name Intervals.icu as their own alternative, so the relationship runs both ways.

  • Endurain

    A self-hosted fitness tracking service for recording and reviewing workouts, an alternative to Strava.

    FreeOpen sourceWebSelf-hosted

    Intervals.icu is a free hosted web platform with detailed training load and power analytics, but data sits on its servers and it is not open source.

  • FitTrackee

    Self-hosted, open-source tracker for outdoor activities such as cycling, running and hiking from GPX files.

    FreeOpen sourceWebSelf-hosted

    Intervals.icu is a free hosted web platform with deep training analytics and many imports, but it is closed source and requires an account instead of self-hosting.

  • Polar Flow

    Polar's service for syncing and analysing training data from Polar watches and heart-rate monitors.

    FreeProprietaryAndroidiOSWeb

    Intervals.icu is a free web platform that imports training data from Garmin, Strava and others and adds detailed fitness, fatigue and power analytics, but records nothing itself.

  • RunGap

    iOS workout data manager that collects, backs up and exports activities from many fitness services.

    FreemiumProprietaryiOS

    Intervals.icu is a free web platform importing from Garmin, Strava, Zwift and more, focused on training analysis rather than moving data between services.

  • TrainerRoad

    A cycling training app with structured workouts and AI-built plans that adjust to your progress.

    PaidProprietaryWindowsmacOSAndroidiOSWeb

    Intervals.icu is a free web platform with workout planning and detailed fitness and power analytics, but it does not run indoor trainer sessions itself.

  • VeloViewer

    A web app that analyses and visualises your Strava activity data with goals and maps.

    FreemiumProprietaryWeb

    Intervals.icu is free and imports from Garmin, Strava, Zwift and other platforms, focusing on training load and power analytics rather than VeloViewer's explorer tiles and route maps.

  • Workout Tracker

    A self-hosted web application for tracking and analysing running and other GPX-based workouts.

    FreeProprietaryWebSelf-hosted

    Intervals.icu is a free hosted web platform with detailed fitness, fatigue and power analytics, trading self-hosting for an account on its service.

Similar software

Related functionality, not a direct replacement.