Wattest connects to FTMS-compatible smart trainers, controls resistance automatically (ERG mode), walks you through a ramp FTP test, and builds structured workouts and a periodized plan from it. With live Apple Watch heart rate, every watt is trained in the zone it belongs to.
Features
Ramp FTP test
Resistance steps up automatically, detecting exhaustion and computing FTP.
ERG structured workouts
Targets %FTP precisely — just pedal, no manual shifting.
Plan engine
Auto-builds phases, weekly plans and daily sessions from your goal.
Apple Watch HR
Live heart rate from Apple Watch enriches your training data.
Workout summary
Computes normalized power, intensity factor (IF) and training load (TSS).
Dark focused UI
Volt / Graphite palette, designed for the indoor pain cave.
Who it's for
Cyclists training indoors on a smart trainer — whether you want an accurate FTP, structured sessions, or systematic gains on a plan, Wattest has you covered.
Requirements
iOS 17 or later; an FTMS-compatible smart trainer (over Bluetooth), Apple Watch optional.