Lets Roll Timer

Let's Roll is a simple, no-nonsense timer built for Training, especially Jiu-Jitsu Set your rounds and go.

TRAINING TIMER
• Choose rounds, round length and rest, or load a Quick Start with one tap
• Full-screen, color-coded display you can read from across the mat: orange to get ready, green rolling, amber near the end, red for rest
• Landscape mode with a giant time and the controls on the side, perfect for mirroring to a TV or propping up across the room
• A real ring-bell sound to start and end every round, a warning clapper before the round ends, and countdown beeps for the last seconds of rest
• Pick your alert sound (Classic Ring Bell, Deep Bell, Air Horn, Buzzer, Chime), with a volume slider and test button
• Pause, stop or skip at any time
• Save your own Quick Starts: Positional Sparring, Open Mat Rolls, Comp Prep, Shark Tank, Drilling, or anything you make
• Tap any time to dial it in with a scroll wheel

COMPETITION TIMER FOR EVERY STYLE
• Choose your rules: IBJJF, ADCC, JJWL, NAGA No-Gi, Fuji BJJ, UFC BJJ, Freestyle Wrestling, Folkstyle Wrestling, or a simple +1 / -1 scoreboard for local and regional tournaments
• Each ruleset has its own score buttons, match lengths, periods and breaks: belt times for BJJ, USA Wrestling age-division periods, NAGA division times, ADCC qualifier and final formats
• ADCC: scoreless first half, minus points for penalties, and overtime
• Wrestling: takedowns, reversals, escapes, near falls and exposure, penalty points for your opponent, and technical superiority
• Two-athlete scoreboard with editable names, plus advantages, penalties and wins by submission or pin
• Optional IBJJF penalty rules: the 2nd penalty gives your opponent an advantage, the 3rd gives them 2 points, and the 4th is a disqualification
• Corrections and undo at any time
• Landscape layout puts both scores and the clock on screen at once
Rules differ by event and year, so always check your event's rulebook.

BUILT FOR THE GYM
• Keeps the screen awake while a timer is running
• Round alerts still fire if your phone locks or the app goes to the background
• Louder sounds, with sound and vibration switches in Settings
• Dark, high-contrast design
• No account, no ads, no tracking