01 / LIVE TIMER
Stay with the set.
Run a clean, full-screen timer while you train. Capture your time under tension when the work is done.
Time-under-tension workout tracker
Make every set count.
TENSION helps you time focused sets, record the work that matters, and see your strength training progress without the noise.
Built for deliberate strength training. No feed. No noise. No guesswork.
9:41TENSION•••
CHEST PRESS · SET 01
CONTROLLED
EFFORT
EFFORT
01:18 TUT
A timer that stays with the set — then gets out of the way.
Time the effortTrack the signalBuild the record
A simpler training record
Less logging.
More lifting.
TENSION is a purpose-built tool for people who want to train with intent. It centers the set itself: the movement, the time under tension, the load, and how it felt.
02 / USEFUL LOG
Record the signal.
Save load, time under tension, effort and notes in one focused flow—without turning the gym into data entry.
03 / PROGRESSION
See the pattern.
Review your past sets and training trend to make your next session a more informed one.
Progress you can use
Not just another workout log.
Most trackers record reps and move on. TENSION makes time under tension a first-class signal for people who care about controlled, measurable training.
TUTTrack the duration of the work—not just the number of repetitions.
RPEAdd context to a set with a simple perceived-effort note.
A simple loop
Train.
Track.
Progress.
The protocol is deliberately uncomplicated. TENSION is designed to support your judgement and consistency, not replace a qualified coach or clinician.
STEP 01
Choose a movement.
Select a controlled exercise and an appropriate load for your current ability, equipment and environment.
STEP 02
Own the set.
Move with control, focus on form, and use the timer to record the work as it happens.
STEP 03
Learn from it.
Save the set, look for useful patterns over time, and make small informed adjustments in the next session.
TENSION on Google Play
Start with
the set.
TENSION is preparing for Google Play. Get the product story, protocol, and safety guidance in place now—then be ready to train when it launches.
Get launch support