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Case · Empty the tank

Indoor cycling back to basics, without a subscription

Our own indoor cycling app, in beta: back to basics, with support for smart trainers, heart rate monitors and virtual shifting, and no subscription.

Client
Empty the tank
Sector
Sports
What we did
Own product, Flutter, Platform, Mobile App, Design, Relic, Astro
Platforms
iOS
Empty the tank on an iPad during an ERG workout

Empty the tank is a product of impaktfull: an indoor cycling app for iPad and iPhone, without a subscription, an account, ads or a virtual world. Just the training.

Why we built it

Many indoor training apps give you a mediocre training experience for a lot of money. You own your hardware, but all the software is subscription based, and far too expensive for what it needs to be.

Empty the tank goes back to basics, with full support for what you already own: smart trainers, heart rate monitors, virtual shifting and the Zwift Cog.

What it does

  • Structured ERG workouts that set the resistance of the smart trainer, and slope and resistance modes for a free ride.
  • 24 virtual gears with a Zwift Hub One, Zwift Cog and Zwift Click.
  • 20 starter workouts, a drag-and-drop workout builder and import of .zwo, .erg and .mrc files.
  • Ramp and 20-minute FTP tests, and fitness, fatigue and form, a power curve and FTP history.
  • FIT export to Garmin Connect, Strava, intervals.icu and TrainingPeaks.

Your data, on your device

Everything is stored on the iPad, with backup and restore through the Files app. A half-width layout keeps the ride on screen in Split View, next to a series.

A showcase that is also useful

Empty the tank is a showcase of how we build, tied to something useful. It is built in Flutter and Relic, on our own agent platform, like xRay and DeltaVision: to show what is possible, while solving a real problem. Agent work gets properly reviewed on every change. The app is in beta testing now, and features to train together with friends are on the way. The website is built in Astro. More on our products.