
Your Workout, Your Rules.
Run/Do is the ultimate interval timer app for coaches and athletes. Build custom timers with segments, whistles, and voice cues — then share them with anyone.
Custom Timers
Build multi-segment timers with individual colours, sounds, and repeat counts.
Share Anywhere
Export as .rundo files, deep links, or QR codes. Import in one tap.
Whistle & Voice
6 whistle sounds, text-to-speech cues, vibration, and 10-second countdowns.
See It in Action
Build timers, run sessions, share with your team.


