Comparison

JuggernautBJJ vs Silver Fox BJJ

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Silver Fox BJJ

Learn Brazilian Jiu-Jitsu with personalized training modules and on-demand video lessons. Customize your learning path based on skill level and goals. Engage in weekly interactive sessions with a renowned instructor.

Highlights
  • Individualized training customization
  • On-demand video library
  • Weekly interactive sessions
  • Skill level and goal-based learning
  • Technique problem-solving
Features
Read full description

Known for his unique BJJ game, Karel "Silver Fox" Pravec, has created a one-of-a-kind digital experience that enables the user to focus on individualized training. Users can customize their in-app experience based on their game, skill level, goals and preferences. Go live with the Silver Fox in weekly interactive sessions. And figure out the solution to the technique you keep getting stuck in at class with hundreds of on-demand videos. You may purchase an auto-renewing subscription through an In-App Purchase. Auto-renewable subscription 1 month ($14.99) for the All Access Plan. Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. Privacy Policy: https://silverfoxbjj.com/privacy/ Terms of Use: https://silverfoxbjj.com/terms-of-use/

Screenshots

JuggernautBJJ4 screens
Silver Fox BJJ4 screens

Verdict

The call

The clearest difference is monetization model: Silver Fox BJJ at free with in-app purchases against JuggernautBJJ's subscription. JuggernautBJJ's advantage is ratings volume (499 vs 18) and update cadence (every 5 days vs fortnightly). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. JuggernautBJJ sells 1 in-app purchase, starting at $19.99 per month and Silver Fox BJJ sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

JuggernautBJJ holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: JuggernautBJJ has 499 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 93% of JuggernautBJJ's written reviews are positive against 80% of Silver Fox BJJ's.

UpkeepUpdate frequency

JuggernautBJJ ships an update every 5 days, Silver Fox BJJ fortnightly. The most recent releases landed on October 19, 2026 and September 30, 2026 respectively.

Scorecard5 real differences · 5 level
JuggernautBJJ versus Silver Fox BJJ: the parameters behind the verdict, then further details
ParameterJuggernautBJJSilver Fox BJJ
PriceFreeFree
Rating4.9 (499 ratings) — better4.7 (18 ratings)
Positive reviews92.5% of reviews — better80.0% of reviews
Number of ratings499 — better18
Update frequencyEvery 5 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.6
Further details — not scored
Size66 MB59 MB
Age rating4+4+
DeveloperJuggernaut AppsSilver Fox BJJ

Customer experience

JuggernautBJJ

All ratings499 ratings
Positive97.4%
Neutral1.8%
Negative0.8%
Written reviews40 reviews
Positive92.5%
Neutral5.0%
Negative2.5%

Silver Fox BJJ

All ratings18 ratings
Positive88.9%
Neutral5.6%
Negative5.6%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

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
Show 2 more
  • More immersive program development interface
  • Regular app updates and maintenance

Silver Fox BJJ

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

JuggernautBJJ

Subscriptions1
  • JuggernautBJJ Monthly7 Days trial$19.991 Month
3 purchases

Silver Fox BJJ

Subscriptions3
  • Silver Fox Global Academy$7.991 Month
  • Silver Fox Global Academy3 Days trial$9.991 Month
  • Silver Fox Global Academy7 Days trial$9.991 Month

Questions

Is JuggernautBJJ free?
JuggernautBJJ is free to download, with in-app purchases available.
Is Silver Fox BJJ free?
Silver Fox BJJ is free to download, with in-app purchases available.
Which has better reviews, JuggernautBJJ or Silver Fox BJJ?
JuggernautBJJ is rated higher. JuggernautBJJ averages 4.9 out of 5 from 499 ratings, while Silver Fox BJJ averages 4.7 from 18 ratings.
Do JuggernautBJJ or Silver Fox BJJ have ads?
Neither JuggernautBJJ nor Silver Fox BJJ shows ads.
Which is updated more often, JuggernautBJJ or Silver Fox BJJ?
JuggernautBJJ ships an update every 5 days, and Silver Fox BJJ fortnightly. Most recently, JuggernautBJJ was updated on October 19, 2026 and Silver Fox BJJ on September 30, 2026.

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