ERG mode.
Set your watts and your smart trainer holds them. Raise or lower the target as you ride, or switch ERG off and use your gears.




The training app for smart trainers
Wattz turns any GPX into a ride on your smart trainer, grade for grade, and trains you for that exact course.
7-day free trial on Premium. Cancel anytime.
Works with your favourite smart trainer.

Indoor riding that goes somewhere.
Explore
Import your own GPX, trace a route in the app, or pick one of 25 iconic routes. Then ride it at home, grade for grade.

Train
ERG mode, the WoD or a programme, for free. With Premium, adaptive plans that fit you and your race.

Progress
A report after every ride, your power curve, time in zone, badges struck in metal.


The GPX Simulator puts real roads on your smart trainer. Your sportive, your favourite col, your next race route, grade for grade.



Export GPX from Strava, Garmin Connect, Komoot or Openrunner, then share it to Wattz.
Draw a route in the app with Trace, then ride it.
Your smart trainer follows the road from the first metre to the last.
Climbs are detected and classified. Ride the whole course, or just one.

Passo dello Stelvio
Italy · 25.0 km · 1,846 m

Alpe d’Huez
France · 13.9 km · 1,110 m

Mont Ventoux
France · 21.4 km · 1,581 m

Col du Galibier
France · 18.1 km · 1,238 m

Sa Calobra
Spain · 10.1 km · 705 m

Furkapass
Switzerland · 16.8 km · 1,059 m

Trollstigen
Norway · 21.6 km · 953 m

Haleakalā
United States · 55.7 km · 3,013 m
Take control of your smart trainer in seconds, with no account and nothing to set up. A session is ready every day.
Set your watts and your smart trainer holds them. Raise or lower the target as you ride, or switch ERG off and use your gears.

No inspiration? Try the workout of the day: open the app, press Start and break a sweat. Or pick one of 700+ sessions in five sizes, from XS to XL.
Coffee Ride XS30 min · 12 TSS
Tempo Waves S44 min · 41 TSS
Over Easy M1 h · 70 TSS
Acid Bath L1 h 30 · 113 TSS
Oxygen Debt XL2 h · 157 TSS
4 to 8 weeks, from Wattz Up to Full Gas. Week four eases off. The last session is a test.

A few questions: your legs, your fatigue, the time you have. It suggests a selection of sessions that fits today’s form.
Build your own session, block by block, then ride it. Your trainer holds every target.
Two training plans that adapt to you. RACE is built on the course of your event, PLAN on the goal you choose.
RACE
Import the GPX of your event. RACE builds your plan on its course and adapts it as you ride.


PLAN
Your goal. Your time. Your legs. The week adapts as you ride.
$0
No account, no card.
$7.99
/month · or $59.99/year
7-day free trial on Premium. Cancel anytime from your App Store or Google Play account.
Something else? support@wattz.cc
Because indoor riding should go somewhere. Wattz puts the roads you care about on your smart trainer, grade for grade, trains you for the course of your own race, and keeps the simple things free: ERG mode, a workout every day, the programmes.
Download the app and pair your smart trainer over Bluetooth. Then pick how you ride: set your watts in ERG mode, start the WoD, follow a programme or a plan, or import a GPX and ride it grade for grade.
Yes. Every session comes in five sizes, from XS to XL, and its targets follow your own FTP. PLAN is calibrated to your level and learns from every ride.
A smart trainer with Bluetooth. Wattz holds your watts in ERG and sets the grade in the simulator. Heart-rate, cadence and speed sensors pair too.
Yes if it uses the standard Bluetooth protocol, FTMS. Smart trainers from Wahoo, Tacx, Elite, Decathlon and JetBlack do.
Yes: ERG mode, the WoD, the library, the programmes, the workout builder, Smart Workout, your stats and badges. No account, no card. Premium is optional.
The GPX Simulator with Trace, RACE and PLAN. $7.99 a month or $59.99 a year, after a 7-day free trial. Cancel anytime from your App Store or Google Play account.
Any GPX file. Export it from Strava, Garmin Connect, Komoot, Openrunner or a bike computer, then share it to Wattz. You can also trace your own route in the app, and 25 iconic courses are already there.
Export any ride as a FIT file and upload it where you keep your log.
No. Ride first. Create one when you want your rides kept in sync.