App tour

Take a look around

Everything you need to run with your people by your side, from your first training run to race day.

Download free ↓
CHIRPSTR home screen
Free

Your home
base for every run

The Home screen is your launchpad. Pick an activity, set your interval, and let CHIRPSTR do the rest. Chirps play right in the middle of your music.

  • Choose from Session, Training, or Race Mode
  • Set chirp intervals: every mile, every 5 minutes, your call
  • One tap to start. No fiddling mid-run
  • Works with any headphones, AirPods, earbuds
Chirp library screen
Free

Your chirps,
all in one place

Every voice message your people record for you lives here. Preview them before your run, see who sent what, and keep the ones that hit different.

  • Listen back to any chirp anytime
  • See the sender, duration, and when it arrived
  • Share your unique link so anyone can record for you
  • Free tier holds up to 10 chirps. Pro is unlimited

Anyone can record a chirp for you.

Share your link. They tap record. That's it. No app download required on their end.

Get your link →
Playlists screen
Free → Pro

Right chirp,
right moment

Group your chirps into playlists so you always hear the right message at the right time. Save your toughest hype-ups for race day. Keep the soft ones for long training miles.

  • Create themed sets: "Marathon Day", "Speed Work", "Long Run"
  • One playlist free. Unlimited with Pro
  • Mix and match chirps from anyone in your crew
  • Reorder, remove, and shuffle however you like
Race Mode active
Pro

GPS chirps
at every mile

Race Mode uses your device's GPS to fire chirps at exact mile markers. The message from your coach hits right as you cross mile 18, not a random 40 minutes in.

  • GPS-triggered chirps at each mile marker
  • See nearby runners and their chirp count in real time
  • Lock screen widget so you can see who's next without touching your phone
  • Works in the background with your music streaming
CHIRPSTR Pro feature
Kick Mode
Chirps fire every 5 seconds. Back-to-back. Non-stop until you say stop.
"You've got this. Keep going!"
"Two miles left. You are flying!"
"PUSH PUSH PUSH!!"
Pro

When you need
it most: Kick Mode

Hit the wall? Tap Kick Mode. Chirps fire back-to-back every 5 seconds, a relentless wave of voices from the people who believe in you. Made for the moments when you want to stop but won't.

  • Chirps play every 5 seconds until you turn it off
  • Activates right from your lock screen. No fumbling
  • Works mid-race, mid-run, whenever you need it
  • Stop it just as easily. One tap
CHIRPSTR Pro feature

Ready to run louder?

Download free and load your first chirp before your next run. Takes about 2 minutes.

Download on iOS ↓ See pricing →