Comparison

JuggernautAI vs MST Bot

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

MST Bot

This app creates personalized strongman training programs based on your goals, experience, and available equipment. It allows you to log workouts, track progress, and connect with a community of strength athletes.

Highlights
  • Personalized strongman program generation
  • Exercise selection based on available equipment
  • Workout logging with weight, reps, and RPE
  • Progress tracking and personal bests
  • Community features for connecting with athletes
  • Event and gym discovery
Features
Read full description

MST Systems brings the periodisation methods of founder and head coach Shane Reece into a strongman programme built around the athlete you actually are. Shane has more than 15 years of experience coaching and competing in strongman. His tried-and-tested MST Systems methods underpin every phase and progression in the app. Answer a guided series of questions and MST Systems uses your responses to shape an expertly periodised programme around your goals, experience, training days, event priorities and available equipment. Instead of following a generic template, you get Shane's programming methods assembled for your circumstances. BUILT AROUND YOU - Build a personalised strongman programme through a guided questionnaire - Match exercise selection to the equipment you actually have - Organise training around the days you are available - Shape your programme around your goals, events and experience - Follow expertly periodised phases and progressions crafted through Shane Reece's MST Systems methods - See clear session prescriptions that explain exactly what to do TRAIN, LOG AND ADAPT - Record the weight, repetitions and RPE for every working set - Let eligible percentage-based sets adjust subsequent loading when a set is too hard, too easy or you miss the target reps - Swap an exercise when you cannot perform it and continue with a suitable alternative - See sets, reps, tempo, rest times, coaching notes and training targets together - Review completed sessions and your full training history TRACK YOUR PROGRESS - Log training maxes, rep maxes and personal bests - Unlock achievements as you train and explore the app - Compare your recorded lifts on strongman and powerlifting leaderboards - Discover competitions, inspect event details and find strongman gyms TRAIN WITH YOUR COMMUNITY - Add friends and talk to them directly - Visit athlete profiles and follow their activity - Personalise your own collectible-style athlete card - React, comment and share progress with other strength athletes MST Systems is for strength athletes who want deeply personalised programming, responsive session tools and a strongman community in one place. Training guidance in MST Systems is general fitness information and is not medical advice. Strength training carries a risk of injury. Train within your ability and seek appropriately qualified guidance where needed.

Screenshots

JuggernautAI4 screens
MST Bot4 screens

Verdict

The call

The clearest difference is in-app purchases: MST Bot at none against JuggernautAI's 2. MST Bot also leads on review sentiment (100% vs 73%) and rating (5.0 vs 4.8). JuggernautAI's advantage is ratings volume (5.7K vs 1) and update cadence (every 4 days vs every 11 days). On price, ads, device support and iOS requirement 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. MST Bot asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MST Bot 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 1, 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 MST Bot's.

UpkeepUpdate frequency

JuggernautAI ships an update every 4 days, MST Bot every 11 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
JuggernautAI versus MST Bot: the parameters behind the verdict, then further details
ParameterJuggernautAIMST Bot
PriceFreeFree
Rating4.8 (5.7K ratings)5.0 (1 ratings) — better
Positive reviews72.7% of reviews100.0% of reviews — better
Number of ratings5.7K — better1
Update frequencyEvery 4 days — betterEvery 11 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size108 MB58 MB
Age rating17+4+
DeveloperJuggernaut AppsMST Fitness

Customer experience

JuggernautAI

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

MST Bot

All ratings1 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

MST Bot

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

JuggernautAI

Subscriptions1
  • JuggernautAI Monthly2 variants$34.991 Month
None

MST Bot

No in-app purchases

Questions

Is JuggernautAI free?
JuggernautAI is free to download, with in-app purchases available.
Is MST Bot free?
MST Bot is free to download, with no in-app purchases.
Which has better reviews, JuggernautAI or MST Bot?
MST Bot is rated higher. JuggernautAI averages 4.8 out of 5 from 5.7K ratings, while MST Bot averages 5.0 from 1 ratings.
Do JuggernautAI or MST Bot have ads?
Neither JuggernautAI nor MST Bot shows ads.
Which is updated more often, JuggernautAI or MST Bot?
JuggernautAI ships an update every 4 days, and MST Bot every 11 days. Most recently, JuggernautAI was updated on October 14, 2026 and MST Bot on October 2, 2026.

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