JuggernautBJJ vs Roll Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JuggernautBJJ
Enhance your Brazilian Jiu Jitsu performance with customized strength and conditioning programs. This app uses advanced AI technology to tailor workouts for strength, speed, power, endurance, and mobility, adapting to your progress and feedback.
- Customized BJJ strength programs
- AI-driven workout adaptation
- Strength, speed, power, endurance, mobility focus
- Tournament prep programs
- Extensive exercise database with videos
- Daily readiness questionnaires
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JuggernautAI's revolutionary technology has now arrived to help you enhance your performance for Brazilian Jiu Jitsu. Get customized programming from the mind of Chad Wesley Smith and technology developed by Tim Arnold to improve your strength, speed, power, endurance and mobility to ensure that you are maximizing your performance on the mats. With over 10 years of experience serving as a strength & conditioning coach for Jiu Jitsu legends like Romulo Barral and Otavio Sousa, Chad's expertise will help you become a more durable and dominant grappler. In addition to his work with combat sport athletes, Chad is one of the most accomplished powerlifters and powerlifting coaches of all-time, having squatted 440kg/970#, as well as working with athletes in the NFL, UFC, Bellator and the Olympics (Track & Field, Bobsled). JuggernautAI's revolutionary expert system creates a program that is tailored to your goals with the right workload of training based on your individual needs. HOW IT WORKS JuggernautBJJ helps you reach your potential using our cutting edge technology - the JuggernautAI BJJ Strength & Conditioning system - in an efficient and easy to use way; Decide on your priority of Strength, Speed/Power or Endurance Development, peak for upcoming matches with the Tournament Prep program, or develop well-rounded abilities with the Lifestyle program. Tell us about yourself, your level of experience, and your training history. JuggernautAI will then design a unique individualized program tailored just for you with the use of expert technology. As you progress, the system will continue to adapt your training plan based on your real-time individualized feedback, ensuring you continue to grow and achieve your goals. Each JuggernautBJJ user's program is individualized to them JuggernautBJJ is a monthly subscription, prices vary based on location. MORE ABOUT JUGGERNAUT JuggernautAI BJJ offers programs from 2-6 days/week of training, you choose how often you want to train Not sure how to perform an exercise? We have over 300 movements in our Exercise Database, all with instructional videos and coaching cues Our short daily questionnaires help establish your Readiness Rating, ensuring that you are pushing hard when you feel good and dialing things back if you are too fatigued. MORE ABOUT JUGGERNAUT TRAINING SYSTEMS Juggernaut Training Systems is The Leader in Strength, having helped thousands of athletes from beginners to World Champions maximize their results and reach their goals. We deliver principle-based coaching through cutting-edge technology to help you get the best results of your life. Privacy Policy: https://www.jtsstrength.com/app-privacy-policy/ Terms of Use: https://www.jtsstrength.com/app-terms-of-use
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 monetization model: Roll Time at free against JuggernautBJJ's subscription. JuggernautBJJ's advantage is ratings volume (499 vs 28) and iOS requirement (15.0 vs 18.0). On price, rating, review sentiment and update cadence 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. JuggernautBJJ sells 1 in-app purchase, starting at $19.99 per month and Roll Time sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for JuggernautBJJ against 5.0 for Roll Time. That said, the two scores are not equally well evidenced: JuggernautBJJ has 499 ratings behind it against 28, so its average is the more settled of the two. Written reviews are what separate them: 93% of JuggernautBJJ's written reviews are positive against 100% of Roll Time's.
JuggernautBJJ ships an update every 5 days, Roll Time weekly. Both last shipped on October 8, 2026.
| Parameter | JuggernautBJJ | Roll Time |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (499 ratings) | 5.0 (28 ratings) — better |
| Positive reviews | 92.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 499 — better | 28 |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 66 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Juggernaut Apps | Alexander Tsapaev |
Customer experience
JuggernautBJJ
Roll Time
Bugs and requests
JuggernautBJJ
Reported bugs
3 issues- Completed workouts showing as incomplete despite marking finished
- Inconsistent workout status tracking
- Battery drain issues during app usage
Requested features
7 requests- Apple Health integration
- Garmin device sync
- BJJ training difficulty and round length input fields
- Option to disable or customize combo sets
- Equipment-specific programming alternatives
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- More immersive program development interface
- Regular app updates and maintenance
Roll Time
Not enough reviews yet to summarise bugs or requests.
In-app purchases
JuggernautBJJ
- JuggernautBJJ Monthly7 Days trial$19.991 Month
Roll Time
- PRO Edition$9.99
Questions
Is JuggernautBJJ free?
Is Roll Time free?
Which has better reviews, JuggernautBJJ or Roll Time?
Do JuggernautBJJ or Roll Time have ads?
Which is updated more often, JuggernautBJJ or Roll Time?
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