Comparison

JuggernautAI vs Natural Bodybuilding Worldwide

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

Head to head
About

JuggernautAI

This app uses AI to create personalized strength training programs for powerlifting and powerbuilding. It adapts to your feedback and goals, optimizing volume, frequency, and exercise selection for maximum strength gains and recovery.

Highlights
  • AI-generated personalized workout plans
  • Powerlifting and Powerbuilding goal focus
  • Adaptive training based on real-time feedback
  • Optimized training frequency and volume
  • Exercise selection for weak points
  • Periodization strategy for fatigue management
Features
Read full description

Juggernaut Training Systems’ revolutionary A.I. strength training system has arrived on iOS. Subscribe to JuggernautAI to access all our coaching and get stronger than you can imagine with The Smartest Program for You. Designed by legendary coach Chad Wesley Smith with revolutionary technology by Tim Arnold, JuggernautAI is like having the best strength coach in the world with you during every workout in the gym. HOW IT WORKS JuggernautAI helps you reach your strength potential using our cutting edge technology - the JuggernautAI Powerlifting and Powerbuilding system - in an efficient and easy to use way; Decide on your goal of Powerlifting, to focus on building your Squat, Bench, and Deadlift, or Powerbuilding, to balance your focus between bodybuilding and strength training. Tell us about yourself, your level of experience, and your strength goals 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 strength goals. WHY IT WORKS Your JuggernautAI strength program is specifically tailored to your needs and includes; ◆◆ Individualized Volume Landmarks. Do enough training to advance but not so much that you can’t recover. ◆◆ Optimized Training Frequency. Decide how many days a week you want to train, and JuggernautAI will optimize when and how often you should Squat, Bench, and Deadlift. ◆◆ Personalized Periodization Strategy. JuggernautAI finds the best way to progress to ensure you maximize your training while also managing fatigue through a strategic phasic periodization plan. ◆◆ Exercise Selection for your Weak Points. JuggernautAI looks at your weak points and your strength in individual lifts to decide which exercises will be most effective in helping you improve. As a Powerbuilding user, you can also choose which body part to focus on to ensure your physique improves the way you want it to. ◆ Real-Time Feedback Your unique individualized program continues to adapt to your feedback with our Readiness Rating System, making adjustments to your program pre-session, intra-session, session to session, week to week, block to block, and program to program Subscribe to JuggernautAI and get the smartest program for you. ———- 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

Natural Bodybuilding Worldwide

Connect with a community of like-minded individuals and top athletes in natural bodybuilding. Access over 150 workout videos, educational courses, and expert-reviewed training and nutrition plans. Engage in forums to ask questions and share progress.

Highlights
  • Natural bodybuilding community
  • Learn from top athletes & coaches
  • 150+ workout videos
  • 6 educational courses
  • Expert training & nutrition review
  • Community forums
Features
Read full description

The Hub For Natural Bodybuilding. Join the best natural bodybuilding community ever created, we offer you the opportunity to learn from some of the best athletes & coaches in the game. This is the home of Aj Morris, Loz Vickers, Khifie West, Ben Howard & many other top level athletes. We have created this community to ensure Natural Bodybuilding has the support to continue to thrive. Every athlete and member is likeminded and will have the time to help you in your own journey, regardless of the level you are at. We want to give you the information at your hands to make as much progress as possible, avoiding any mistakes that can be made! We have over 150+ videos featuring workouts from all our athletes, athlete log updates & live streams. We have 6 educational courses, covering training, nutrition, off season, contest prep, and bodybuilding for young athletes. Our forum section allows you to ask any question, post your own log and add physique updates, or even get your training & nutrition programming reviewed by experts. Access to the app is on a subscription basis with options for monthly or yearly payments. We always welcome feedback, if you have an idea or a suggestion don't feel afraid to email info@naturalbodybuildingworldwide.com

Screenshots

JuggernautAI4 screens
Natural Bodybuilding Worldwide4 screens

Verdict

The call

The clearest difference is in-app purchases: Natural Bodybuilding Worldwide at none against JuggernautAI's 2. Natural Bodybuilding Worldwide also leads on review sentiment (100% vs 73%) and iOS requirement (13.0 vs 15.6). JuggernautAI's advantage is update cadence (every 4 days vs every 14 months) and ratings volume (5.7K vs 7). On price, rating, ads and monetization model 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. JuggernautAI sells 1 in-app purchase, starting at $34.99 per month. Natural Bodybuilding Worldwide asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Natural Bodybuilding Worldwide holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: JuggernautAI has 5.7K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 73% of JuggernautAI's written reviews are positive against 100% of Natural Bodybuilding Worldwide's.

UpkeepUpdate frequency

JuggernautAI ships an update every 4 days, Natural Bodybuilding Worldwide every 14 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
JuggernautAI versus Natural Bodybuilding Worldwide: the parameters behind the verdict, then further details
ParameterJuggernautAINatural Bodybuilding Worldwide
PriceFreeFree
Rating4.8 (5.7K ratings)5.0 (7 ratings) — better
Positive reviews72.7% of reviews100.0% of reviews — better
Number of ratings5.7K — better7
Update frequencyEvery 4 days — betterEvery 14 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size108 MB58 MB
Age rating17+9+
DeveloperJuggernaut AppsNatural Bodybuilding Worldwide Limited

Customer experience

JuggernautAI

All ratings5,655 ratings
Positive97.0%
Neutral1.2%
Negative1.7%
Written reviews216 reviews
Positive72.7%
Neutral4.2%
Negative23.1%

Natural Bodybuilding Worldwide

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

JuggernautAI

Reported bugs

3 issues
  • Clearing of workout history after each block
  • Issues with the auto-timer feature
  • Problems with selecting dates and times during setup

Requested features

4 requests
  • Integration with Apple Health or other fitness apps
  • More flexibility in scheduling and workout days
  • Improved exercise library and replacement options
  • Better tracking and history of past workouts

Natural Bodybuilding Worldwide

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

JuggernautAI

Subscriptions1
  • JuggernautAI Monthly2 variants$34.991 Month
None

Natural Bodybuilding Worldwide

No in-app purchases

Questions

Is JuggernautAI free?
JuggernautAI is free to download, with in-app purchases available.
Is Natural Bodybuilding Worldwide free?
Natural Bodybuilding Worldwide is free to download, with no in-app purchases.
Which has better reviews, JuggernautAI or Natural Bodybuilding Worldwide?
Natural Bodybuilding Worldwide is rated higher. JuggernautAI averages 4.8 out of 5 from 5.7K ratings, while Natural Bodybuilding Worldwide averages 5.0 from 7 ratings.
Do JuggernautAI or Natural Bodybuilding Worldwide have ads?
Neither JuggernautAI nor Natural Bodybuilding Worldwide shows ads.
Which is updated more often, JuggernautAI or Natural Bodybuilding Worldwide?
JuggernautAI ships an update every 4 days, and Natural Bodybuilding Worldwide every 14 months. Most recently, JuggernautAI was updated on October 29, 2026 and Natural Bodybuilding Worldwide on October 24, 2026.

Other comparisons