90 seconds.
Not 9 minutes.
Ferro turns your phone into a gym device when you walk in, and back into a phone when you walk out. Music, a rest timer, your gym log. Nothing else.
lift present.
“The iron never lies to you.”Henry Rollins
Hold 10s to end session
You planned to rest for a minute and a half.
Then you checked one thing. Rest is where the phone wins, because 90 seconds feels too short to matter.
Bars drawn to scale. Over five sets, that is more than half an hour spent on your phone.
Automatic, not willpower.
-
Walk in
Ferro knows when you arrive at your gym. One tap on the lock screen and Gym Mode is on.
Gym mode on. Tap to enter. -
Lift
Every app is locked except Ferro and the few you chose. One screen: your music, your rest timer, one quote.
Rest 1:30 · next: Squat 225 × 5 -
Walk out
Leave the gym and your phone is a phone again. You get a short card of how present you were.
52 min at the gym · 0 min scrolled
Only what a lift needs.
Ferro is not a workout app. It works with the music and the log you already use, and gets everything else out of the way.
- Music controlsApple Music, Spotify
- Rest timerHaptic at zero
- Your gym logHevy, Strong, or built in
- Calls, messages, emergencyAlways on
- Feeds, videos, the scrollLocked until you leave
Lift the way it used to feel. Dumbbells on your knees, eyes straight ahead, nothing in your hand.
The lock is free. Always.
Ferro
- Gym Mode with full app lock
- The one-screen home
- Rest timer
- A quote a day
Ferro Pro
- Gym Mode turns on when you arrive
- Session stats and streaks
- Every gym you train at
- Extra looks for the home screen
Or $39 a year, with a 7-day free trial.
We never see where you train.
Your gym's location and your sessions stay on your phone. Only totals like minutes lifted ever leave it.