BJJ Timer: Roll & Round Clock

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About this app

BJJ Timer is a round timer for Brazilian jiu-jitsu. Set up your session, put your phone down and train.

ROUNDS YOUR WAY
• Set the number of rounds, roll time, rest and a get-ready countdown.
• Use presets for class rolls, open mat, positional sparring, drilling, shark tank and competition prep.
• Choose IBJJF adult match lengths by belt, from 5 minutes for white belts to 10 minutes for black belts.

CUES YOU CAN HEAR
• A bell starts each round and a triple bell ends it.
• A clapper warns you before time runs out.
• A halfway cue tells you when to switch sides or swap top and bottom.
• Countdown beeps and vibration help you catch the transition.

KEEP TRACK AT A GLANCE
• Full-screen colours distinguish get-ready, roll, warning and rest.
• Large digits, a progress ring and a round tracker work in portrait and landscape.
• An ongoing Android notification shows the countdown. The timer and bells continue when your phone is locked.

No account, ads or tracking. Your settings stay on your device.

Try every timer feature free for 10 days. A one-time in-app purchase unlocks the timer permanently after the trial. There is no automatic charge or subscription.
Jiu-jitsu round timer for rolls and drills, with a lock-screen countdown.
Updated on
Nov 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
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What’s new

The workout notification now shows the countdown immediately and lets you end a session from the notification.
Content rating
Everyone
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App support

About the developer
Rails Apps SIA
janjiss@gmail.com
29 - 20 Grants iela, Kuldiga Kuldigas novads, LV-3301 Latvia
+371 20 330 344