Run to your beat
Set a target BPM. Every song on your playlist gets matched to that beat, sped up to meet you, pitch intact.
Get it on the App StoreFree for your first 25 songs. Works with Apple Music, or songs you own — not Spotify.
Connect Apple Music and pick a playlist, or bring MP3s and M4As of your own.
The cadence you actually run at. Most runners land somewhere between 150 and 170.
Every song stretches to meet that number. Pitch untouched, and adjustable mid-run.
The target BPM lives right on your lock screen. Tap + and the whole playlist climbs to meet you — no unlocking, no fumbling, no stopping.
Illustration of the lock-screen controls — try it
That was the part I didn't expect. When any song can meet your cadence, "running music" stops being a genre you tolerate and starts being the music you actually love. Records that were never remotely workout material turn out to be perfect — they just needed to arrive at the right tempo.
I never knew I could run to Neil Young.
— Brian, who built it
| Song | Song BPM | Target | Rate |
|---|---|---|---|
Green OnionsBooker T. & the M.G.'s
|
137 | 160 | 1.17× |
A Decade Under the InfluenceTaking Back Sunday
|
156 | 160 | 1.03× |
DreamsThe Cranberries
|
129 | 160 | 1.24× |
Stuck in the Middle with YouStealers Wheel
|
124 | 160 | 1.29× |
CenterfoldThe J. Geils Band
|
114 | 160 | 1.40× |
Four Strong WindsNeil Young
|
108 | 160 | 1.48× |
SixThree songs recorded decades apart, one beat under your feet. The target column never moves — the app works out the rest. These BPMs are the app's own, measured from a real playlist.
Connect Apple Music and your playlists play at your cadence — nothing to download, nothing to convert. Everything else has to be a file you own. Green Onions cannot play Spotify, on any tier: those downloads are encrypted, and no third-party app is allowed to open them or change their speed. Apple Music is the one subscription that permits it.
Enough to take it out for a few runs before you decide. After that it's $9.99, once.
No account to make. Nothing to cancel.
One payment. Not a subscription.
No ads, ever. Built by one runner who wanted this to exist.
The short answers. The long ones are on the support page and in the app under Settings.
Yes, with an active subscription. Connect it once and your playlists play at your cadence, streamed the same way the Music app streams them. Nothing is downloaded or converted.
No, on any tier. Spotify's downloads are encrypted and no third-party app is allowed to open them or change their speed. Apple Music is the one streaming service that permits it.
No. Songs speed up or slow down and stay in their original key. Files you own stretch between half and double speed. Apple Music holds a narrower window, 0.9× to 1.7×, because that is what the system player allows.
No. You set the number, and every song matches it. There is a − and + on the Lock Screen so you can change it mid-run without unlocking the phone.
Your first 25 songs are free with everything unlocked. After that it is $9.99 once. No subscription, no account, no ads. The demo track plays at your cadence forever either way.
Songs you added as files do, entirely. Apple Music needs a connection, the same as it does in the Music app.
Yes. Green Onions is only a music player. It has no GPS and reads no health data, so Strava, Nike Run Club and the Workout app keep running beside it.
No. Green Onions is an iPhone app, and this version has no Apple Watch app.