Timer4BJJ vs Roll Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timer4BJJ
This app helps practitioners time their Brazilian Jiu-Jitsu rolling and rest periods. It allows for custom configurations of multiple rounds with distinct durations, streamlining training sessions.
- Customizable roll and rest times
- Multiple round configurations
- Simple and practical interface
- Efficient training tool
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Timer specifically designed to address roll time for bjj sessions. It's possible do define different roll and rest times for a different numbers of rolls, all at once, and then let it do its job. Simple, practical and efficient - all you need for your rolling.
Roll Time
This app is a professional round timer designed for coaches in combat sports like BJJ, MMA, and boxing. It features a large, high-contrast display, customizable sound alerts, and the ability to mirror the timer to a TV for a wall-timer experience. Coaches can save unlimited presets for different training formats and even display their gym's logo.
- Customizable work, warning, and rest intervals
- Optional prepare and cooldown phases
- Unlimited saved presets for classes and drills
- Loud sound and voice alerts
- Smart Volume for music adjustment
- High-contrast, large timer display
- TV mirroring for wall-timer setup
- Gym logo display
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Roll Time is a professional gym round timer and TV display built for coaches running real classes — not just a workout timer. Designed for Brazilian Jiu-Jitsu, MMA, boxing, and other combat sports, Roll Time helps you run rounds, drills, sparring, in-house matches, and full class blocks with a big, high-contrast display your entire room can see. Connect Roll Time to your gym TV for a dedicated big-screen experience. While no timer is running, Gym Display turns the screen into a branded hub for announcements, seminars, open mats, promotions, schedules, and more. When it’s time to train, the timer takes over automatically. Create custom Gym Display cards with your own images, colors, text, and highlights. Schedule when they appear, rotate through multiple cards, and feature important announcements full-screen. Show your gym logo on the timer, run in-house tournaments with competition-style match presets, and start classes quickly with saved timers. Built for combat sports: • BJJ academies, MMA and boxing gyms, wrestling rooms, and martial arts dojos • Sparring rounds, positional rounds, competition matches with score tracking, HIIT intervals, open mats, and solo training Key features: • Flexible round timing with Work, Warning, Rest, Prepare, and Cooldown phases • Saved timers for classes, sparring rounds, drills, and matches • Competition-style match timers with score tracking • Gym Display for announcements, seminars, promotions, schedules, and more • Custom display cards with your own images, colors, text, and scheduling • Dedicated TV experience for the timer and Gym Display • Loud sound and voice alerts built for noisy gyms • Custom sounds and announcements — record your own timer alerts • Smart Volume lowers music while you coach, then brings it back during rolls • Big, high-contrast timer display visible across the mats • Simple touch controls — start, pause, reset, and adjust rounds quickly • Gym logo display — showcase your academy brand on the timer and TV • iCloud Backup — restore your timers later or move them to another device • Built for class. Free from unnecessary distractions.
Screenshots
Verdict
The clearest difference is review sentiment: Roll Time at 100% against Timer4BJJ's 0%. Roll Time also leads on rating (5.0 vs 1.0) and update cadence (weekly vs every 7 months). Timer4BJJ's advantage is in-app purchases (none vs 1) and iOS requirement (14.0 vs 18.0). On price, ads, monetization model 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. Roll Time sells 1 one-off in-app purchase. Timer4BJJ asks for nothing beyond the download.
Roll Time holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Roll Time has 34 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Timer4BJJ's written reviews are positive against 100% of Roll Time's.
Timer4BJJ ships an update every 7 months, Roll Time weekly. Both last shipped on October 30, 2026.
| Parameter | Timer4BJJ | Roll Time |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (34 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 34 — better |
| Update frequency | Every 7 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | INVENTIVE TECHNOLOGY CONSULTING GmbH | Alexander Tsapaev |
Customer experience
Timer4BJJ
Roll Time
In-app purchases
Timer4BJJ
No in-app purchases
Roll Time
- PRO Edition$9.99







