Comparison

AOJ+ 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

AOJ+

Access a vast library of martial arts instructionals, sparring footage, and exclusive interviews. Learn from world-class instructors in an immersive, cinematic experience. Stream anytime, anywhere on your device.

Highlights
  • Thousands of technique instructionals
  • Hours of sparring and drilling footage
  • Exclusive interviews
  • Behind-the-scenes content
  • World-class instructors
  • Cinematic presentation
Features
Read full description

The Art of Jiu Jitsu Online Video Platform gives subscribers access to a database of thousands of technique instructionals, hours of sparring & drilling footage, exclusive interviews, behind the scenes content and more. The videos feature world class instructors and athletes and are presented in a cinematic and artistic manner, creating an immersive learning environment for the viewer. Multiple membership options are available and allow the user to stream anytime, anywhere on their device. ▷ Already a Member? Sign-In to access your subscription. ▷ New? Try it for free! Subscribe in the app to get instant access. The Art of Jiu Jitsu offers an auto-renewing subscription that will allow you unlimited access to content on all your devices. Payment is charged to your Account at confirmation of purchase. Pricing varies by location and is confirmed prior to purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current billing period. Cancel anytime in Account Settings. For more information see our: -Terms of Service: https://artofjiujitsu.com/terms-of-use/ -Privacy Policy: https://artofjiujitsu.com/privacy-policy/

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

AOJ+3 screens
Roll Time4 screens

Verdict

The call

The clearest difference is monetization model: Roll Time at free against AOJ+'s free with in-app purchases. Roll Time also leads on update cadence (weekly vs every 5 weeks) and review sentiment (100% vs 88%). AOJ+'s advantage is ratings volume (395 vs 25) and device support (4 vs 2). On price, rating, ads and in-app purchases 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. AOJ+ sells 14 in-app purchases, starting at $24.99 per month and Roll Time sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for AOJ+ against 5.0 for Roll Time. That said, the two scores are not equally well evidenced: AOJ+ has 395 ratings behind it against 25, so its average is the more settled of the two. Written reviews are what separate them: 88% of AOJ+'s written reviews are positive against 100% of Roll Time's.

UpkeepUpdate frequency

AOJ+ ships an update every 5 weeks, Roll Time weekly. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

Scorecard6 real differences · 4 level
AOJ+ versus Roll Time: the parameters behind the verdict, then further details
ParameterAOJ+Roll Time
PriceFreeFree
Rating4.9 (395 ratings)5.0 (25 ratings) — better
Positive reviews87.5% of reviews100.0% of reviews — better
Number of ratings395 — better25
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size63 MB18 MB
Age rating4+4+
DeveloperMendes Bros, IncAlexander Tsapaev

Customer experience

AOJ+

All ratings395 ratings
Positive98.2%
Neutral0.3%
Negative1.5%
Written reviews16 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Roll Time

All ratings25 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

AOJ+

Reported bugs

2 issues
  • Search function does not return relevant results
  • App initially shows very few videos, potentially due to server issues

Requested features

3 requests
  • Increase variety in fundamentals/curriculum/technique sections
  • Create training modules for progressive learning
  • Add more non-technique videos, such as athlete stories

Roll Time

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

AOJ+

Subscriptions4
  • Monthly Subscription3 Days trial$24.991 Month
  • 3 Month Subscription$74.993 Months
  • 6 Month Subscription$139.996 Months
Show 1 more
  • 12 Month Subscription3 Days trial$249.991 Year
One-time10
  • Content Tier $49.99$49.99
  • Content Tier $59.99$59.99
  • Content Tier $99.99$99.99
Show 7 more
  • Content Tier $149.99$149.99
  • Content Tier $179.99$179.99
  • Content Tier $199.99$199.99
  • Content Tier $219.99$219.99
  • Content Tier $229.99$229.99
  • Content Tier $249.99$249.99
  • Content Tier $349.99$349.99
1 purchases

Roll Time

One-time1
  • PRO Edition$9.99

Questions

Is AOJ+ free?
AOJ+ is free to download, with in-app purchases available.
Is Roll Time free?
Roll Time is free to download, with in-app purchases available.
Which has better reviews, AOJ+ or Roll Time?
Roll Time is rated higher. AOJ+ averages 4.9 out of 5 from 395 ratings, while Roll Time averages 5.0 from 25 ratings.
Do AOJ+ or Roll Time have ads?
Neither AOJ+ nor Roll Time shows ads.
Which is updated more often, AOJ+ or Roll Time?
AOJ+ ships an update every 5 weeks, and Roll Time weekly. Most recently, AOJ+ was updated on September 20, 2026 and Roll Time on September 21, 2026.

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