Comparison

Timer4BJJ vs Roll Time

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

Head to head
About

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.

Highlights
  • Customizable roll and rest times
  • Multiple round configurations
  • Simple and practical interface
  • Efficient training tool
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Timer4BJJ3 screens
Roll Time4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Roll Time sells 1 one-off in-app purchase. Timer4BJJ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Timer4BJJ ships an update every 7 months, Roll Time weekly. Both last shipped on October 30, 2026.

Scorecard6 real differences · 4 level
Timer4BJJ versus Roll Time: the parameters behind the verdict, then further details
ParameterTimer4BJJRoll Time
PriceFreeFree
Rating1.0 (1 ratings)5.0 (34 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings134 — better
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.0
Further details — not scored
Size1 MB25 MB
Age rating4+4+
DeveloperINVENTIVE TECHNOLOGY CONSULTING GmbHAlexander Tsapaev

Customer experience

Timer4BJJ

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Roll Time

All ratings33 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Timer4BJJ

No in-app purchases

1 purchases

Roll Time

One-time1
  • PRO Edition$9.99

Questions

Is Timer4BJJ free?
Timer4BJJ is free to download, with no in-app purchases.
Is Roll Time free?
Roll Time is free to download, with in-app purchases available.
Which has better reviews, Timer4BJJ or Roll Time?
Roll Time is rated higher. Timer4BJJ averages 1.0 out of 5 from 1 ratings, while Roll Time averages 5.0 from 34 ratings.
Do Timer4BJJ or Roll Time have ads?
Neither Timer4BJJ nor Roll Time shows ads.
Which is updated more often, Timer4BJJ or Roll Time?
Timer4BJJ ships an update every 7 months, and Roll Time weekly. Most recently, Timer4BJJ was updated on October 30, 2026 and Roll Time on October 30, 2026.

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