Comparison

GrappleTimer vs Judo Timer JQ

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GrappleTimer

Features
Read full description

The Ultimate Training Timer for Brazilian Jiu-Jitsu, MMA, and Combat Sports GrappleTimer is the essential training companion for grapplers and martial artists. Designed specifically for BJJ, wrestling, and MMA training, this powerful yet simple timer keeps you focused on what matters most – your technique and conditioning. CORE FEATURES • Customizable Round Timers – Set precise round and rest durations to match your training style • Smart Audio Cues – Distinct bells, horns, and clapper warnings keep you informed without looking at your phone • End-of-Round Warnings – Configurable clapper alerts (10, 20, or 30 seconds) help you push through those final moments • Multiple Training Presets – Quick-start options for competition rounds, drilling sessions, and custom workouts • Spotify Integration – Seamlessly control your training playlist without leaving the app • Background Audio Ducking – Music automatically adjusts volume for timer sounds PERFECT FOR • Brazilian Jiu-Jitsu rounds and positional sparring • Wrestling and grappling drills • MMA training sessions • Boxing and Muay Thai rounds • HIIT and circuit training • Strength and conditioning workouts TRAINING MODES Competition Rounds – Match official IBJJF timing (5-10 minute rounds) Drilling Sessions – Extended rounds for technique development Positional Sparring – Short, intense rounds for specific positions Custom Workouts – Create your perfect training rhythm DESIGNED BY GRAPPLERS, FOR GRAPPLERS Every feature has been carefully crafted based on real mat time. The interface stays clear and readable even when you're exhausted. Large buttons work with sweaty hands. Audio cues cut through gym noise. ADVANCED FEATURES • Landscape orientation for easy visibility across the gym • Screen stays awake during training (optional) • Start delay countdown for getting into position • Session history tracking (coming soon) NO SUBSCRIPTIONS, NO ADS Whether you're preparing for competition, improving your conditioning, or just getting in solid mat time, GrappleTimer helps you train smarter and harder. Download GrappleTimer today and elevate your training.

About

Judo Timer JQ

This app provides a dedicated timer and scoreboard for judo matches and training. It features referee call integration, automatic scoring, and a library of judo terms and rules. Designed for ease of use on the mat, it offers offline functionality and privacy.

Highlights
  • Contest scoreboard with match clock and golden score
  • Osaekomi (hold) timer with provisional results
  • Interval rounds for randori and training
  • Library of referee gestures, contest rules, and judo glossary
  • Offline functionality with no account or network required
  • Sound and haptics for referee calls
  • Timestamp-based clock for accuracy
Features
Read full description

Run a judo contest from your phone or iPad, and put the scoreboard on a TV over AirPlay or a cable. Every referee call is one tap: Hajime, Mate, Osaekomi, Toketa, Ippon, Waza-ari, Yuko, Shido. The app keeps the clocks and the score by the rules, so your eyes stay on the mat. SCOREBOARD - Match clock, golden score, hansoku-make, and a separate osaekomi clock - Hold scores at 5, 10 and 20 seconds are announced by sound and haptics, and count only after you confirm - Undo reverses any result exactly, and no clock restarts on its own - Show the board on a TV or projector, big enough to read across the hall - An interrupted contest comes back where it stopped TOURNAMENTS - Draw single elimination, round robin or repechage brackets - Add names by hand, paste or scan a list, import a file, or pick from your club - Keep teammates apart, set seeds, run several categories in one day - Share draw sheets, results, winners and a full results book as PDF or image CLUB - Athletes with birth date, division, weight and belt, so categories work themselves out - Groups, a calendar of events, and shareable athlete lists for visiting clubs PRACTICE - Randori and Training timers: set work, rest and rounds once, save programs for newaza, kumikata or uchikomi LIBRARY AND HISTORY - Referee gestures, contest rules, glossary, belts and judo history - Every finished contest, filtered by event, club, age, weight or athlete Available in English, French, Spanish, Brazilian Portuguese, Russian, Bulgarian and Japanese. Help: https://teraflow.app/help Privacy: https://teraflow.app/privacy Terms of use: https://teraflow.app/terms

Screenshots

GrappleTimer3 screens
Judo Timer JQ4 screens

Verdict

The call

The clearest difference is update cadence: GrappleTimer at daily against Judo Timer JQ's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GrappleTimer ships an update daily, Judo Timer JQ every 3 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 7 level
GrappleTimer versus Judo Timer JQ: the parameters behind the verdict, then further details
ParameterGrappleTimerJudo Timer JQ
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyDaily — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size4 MB21 MB
Age rating4+4+
DeveloperBEN REEVETeraflow spa

In-app purchases

None

GrappleTimer

No in-app purchases

None

Judo Timer JQ

No in-app purchases

Questions

Is GrappleTimer free?
GrappleTimer is free to download, with no in-app purchases.
Is Judo Timer JQ free?
Judo Timer JQ is free to download, with no in-app purchases.
Do GrappleTimer or Judo Timer JQ have ads?
Neither GrappleTimer nor Judo Timer JQ shows ads.
Which is updated more often, GrappleTimer or Judo Timer JQ?
GrappleTimer ships an update daily, and Judo Timer JQ every 3 weeks. Most recently, GrappleTimer was updated on October 10, 2026 and Judo Timer JQ on October 25, 2026.

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