Free on Android · iPhone coming soon
A Boxing Timer That Rings With Your Phone Locked
Meet Ring Timer, the round timer for boxing, MMA and Muay Thai training that rings on time even when your phone is locked, with no ads and no account.
- Home screen with Quick Start for Pro Boxing, 12 rounds of 3:00 with 1:00 rest, and the Start button
- Work round with 2:18 left in round 3 of 12
- Rest between rounds with 0:28 left and round 4 up next
- Lock screen with a live countdown for round 3 of 12
- FreeTimer and all 13 presets
- 0 adsAnd no account
- 1–99Rounds, or unlimited
What Is Ring Timer?
We built Ring Timer as a boxing timer for Android that also covers MMA, Muay Thai and HIIT rounds. It is an app, not a web timer, so the bell rings on time with the screen locked, your music keeps playing and only gets quieter during a cue, and you can tap anywhere to pause with gloves on.
How It Works
How Ring Timer Helps You Time Boxing Rounds
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Rings With Your Phone Locked
Lock the phone and put it down. The bell rings on time, and a live countdown shows the round and the time left on the lock screen.
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See Work And Rest At A Glance
Work and rest each have their own colour, ring pattern and label. Tap anywhere on the screen to pause, even with gloves on.
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Presets For Boxing, MMA And More
Amateur and pro boxing, MMA, Muay Thai, kickboxing and BJJ rolls are built in, plus heavy bag, shadowboxing, tabata, HIIT and EMOM. Or set your own rounds, rest and warnings.
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Mix Round Lengths In The Round Builder
With Pro, the Round Builder lets you give each round its own length and coach theme.
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Hear Punch Combos In Coach Mode
Coach Mode, part of Pro, calls out combos during each round for orthodox or southpaw, at easy, medium or hard. It uses your phone's voice and picks an offline voice first.
Get Started
Start In Three Steps
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Pick A Preset
Choose boxing, MMA, Muay Thai or another preset, or set your own rounds and rest.
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Press Start And Train
After a 10-second prepare countdown, the bell starts each round and ends it. Rest counts down in between.
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Check Your History
Each workout is saved with its rounds and minutes, next to your streak. You can see the last 7 days for free; Pro shows all of it.
FAQ
Frequently Asked Questions
Do I need an account or an internet connection?
No. There is no sign-up and no login, and the timer works without internet. Your presets, history and settings stay on your phone. Buying or restoring Pro needs a connection.
What is Coach Mode?
Coach Mode is part of Pro. During each round it calls out punch combos for an orthodox or southpaw stance, at easy, medium or hard. It uses your phone's text-to-speech voice and picks an offline voice first, so voice quality depends on your phone.
Can I set my own rounds and warnings?
Yes. Set the round length, the rest, a prepare time, a cool-down and warnings before the bell, for 1 to 99 rounds or unlimited rounds. You can save 3 custom presets for free and as many as you like with Pro.
Is Ring Timer free?
Yes. The timer, all 13 built-in presets, 3 saved custom presets, the bells, the warnings and the lock-screen countdown are free, with no ads. Pro adds Coach Mode, the Round Builder, unlimited custom presets, your full history, colour themes, home-screen widgets and Gym Clock auto-rotate. The yearly Pro plan starts with a 7-day free trial for new subscribers.
Is there an iPhone app?
Not yet. Ring Timer is on Google Play for Android now. Leave your email on this page and you get one email when the iPhone app is out.
Which boxing and MMA round lengths are built in?
Amateur boxing 3 × 3 min with 1 min rest, pro boxing 12 × 3 min, women's pro 10 × 2 min, MMA 3 × 5 min, MMA title 5 × 5 min, Muay Thai 5 × 3 min with 2 min rest, kickboxing 3 × 3 min and BJJ rolls 6 × 6 min. There are also heavy bag, shadowboxing, tabata, HIIT and EMOM presets.
Why use an app instead of a free online boxing timer?
A timer in a browser tab can stop or fall behind when the screen turns off. Ring Timer takes the time from the phone's clock and keeps running with the screen locked, so the bell rings on time. Your music keeps playing and only gets quieter while a bell or voice cue sounds. You can tap anywhere on the screen to pause, even with gloves on.
Start Your Next Round With Ring Timer
Free on Android. Leave your email to hear when the iPhone app is out.

