iPhone Rex Timer

Rex Timer

The easiest interval timer, ever.


As easy as sending a text


We were tired of confusing interval timers. Scrolling through numbers to find the right times is tough. Especially with sweaty fingers at the gym.

We wanted to find a better way. We thought it should be as easy as sending a text message. So that's what we built!

We are currently in development, but please sign up to be notified when we launch!

iPhone Rex Timer Start Page
iPhone Rex Timer Previous Timers

The Rex Timer is really smart!


We even store your recent workouts for quick access to previous timers. Here are some examples of how you would set up your timer:


"2mins, 30sec, 6x"

"1 minute work, 1 minute rest, for 6 rounds"

"20s on, 10s off, 8 times"

"Wow! This is much easier than what I currently use."

- Joe Cullen, NJ Police Officer