MatFlow vs Judo Timer JQ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MatFlow
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MatFlow is the free training companion built for Brazilian Jiu Jitsu students. Whether you're a white belt just starting out or a seasoned competitor, MatFlow gives you everything you need to stay connected to your academy and track your progress. FOR STUDENTS • View your academy's class schedule and check in on arrival • Read announcements from your academy • Sign required waivers right from your phone • Log every training session in ten seconds: gi, no-gi, open mat, competition • Track your belt and stripe progression with your coach's sign-off • See your 90-day training heatmap and build real consistency • Connect with training partners across MatFlow's community • Nominate your gym if it's not already here, and we'll reach out to them BUILT FOR JIU JITSU, NOT GENERIC FITNESS Every feature in MatFlow was designed around how BJJ actually works. Belt progression with stripes. Training types that match real gyms. A community built around academies, not algorithms. Competition results. Personal goals tied to your belt path. No fake gamification. No selling your data. No generic workout tracking repurposed for martial arts. Just the tools you've been asking for, built by people who train. FOUNDING ACADEMIES MatFlow is partnering with a small number of founding academies to build this out with us. If your gym isn't on MatFlow yet, tap Nominate Gym and we'll reach out and get you set up free. PRIVACY We never sell your data. Location is only used if your gym has enabled arrival check-ins, and you can disable it anytime in iOS Settings. Account deletion is available from the Settings screen at any time. QUESTIONS Email us at frank@mymatflow.com or visit mymatflow.com/support. Train hard. Stay curious. The MatFlow team
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.
- 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
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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
Verdict
The clearest difference is iOS requirement: MatFlow at 15.0 against Judo Timer JQ's 18.0. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | MatFlow | Judo Timer JQ |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 7 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Frank Lujan | Teraflow spa |
In-app purchases
MatFlow
No in-app purchases
Judo Timer JQ
No in-app purchases









