Blocks
Any workout, not just Tabata
Work, Rest and Repeat are all you need. Pyramids, ladders, circuits with a long break between rounds: if you can describe it, you can build it.
Shared workout
You get your own copy to edit and run.
Open this link on your Android phone to add the workout to Phase.
Plan
Shared workout
This link is damaged or incomplete.
Ask for the link again, or copy the whole message it came in.
Phase
Intervals · built from blocks
Most interval timers give you a form: rounds, work time, rest time. Phase gives you blocks. Stack Work and Rest, wrap them in Repeats, nest repeats inside repeats, and build the exact session you have in mind. Then put the phone down and follow the ring.
Work · Rest · Repeat
3blocks


Features
Blocks
Work, Rest and Repeat are all you need. Pyramids, ladders, circuits with a long break between rounds: if you can describe it, you can build it.
Nesting
Put a repeat inside a repeat, up to eight levels deep. Three rounds of four exercises, each done twice, is three blocks, not a spreadsheet.
Editing
Drag blocks into place or into a repeat, tap a time to type it, and skip the final rest with one switch.
Run
A countdown ring colour-coded by phase, with the next step and time left always visible.
Cues
Sounds and haptics at every change. “Halfway” and “Last one” when it counts.
Share
Every block travels in the link. Anyone who opens it gets their own copy to change.
Screens






How it works
Name it and set the time. Up to 60 minutes per block.
Short and sharp, or long enough to breathe.
Wrap any blocks in a repeat, even other repeats. Set the count and press start.
Availability
Nothing to sign up for. Your recordings and history stay on your phone. Read the privacy policy.