StrengthReps vs JuggernautAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StrengthReps
Easily calculate warmup sets and reps for the Starting Strength program. Simply adjust the weight slider for instant results. The app remembers your previous workout, making it simple to increase weight for your next session.
- Calculate warmup reps and sets
- Starting Strength program support
- Weight slider for goal weight
- Remembers previous workout data
- Easy weight progression
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StrengthReps is a simple way to calculate your warmup reps and sets for the widely-use Starting Strength workout program. Simply use the slider to select your goal weight, and your warmups are instantly calculated! For your next workout, what you did last time will be remembered, so all that you need to do is slide up 5 or 10 more pounds for the selected lift.
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.
- 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
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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/
Screenshots
Verdict
The clearest difference is in-app purchases: StrengthReps at none against JuggernautAI's 2. StrengthReps also leads on review sentiment (100% vs 73%) and iOS requirement (7.0 vs 15.6). JuggernautAI's advantage is ratings volume (5.7K vs 2) and rating (4.8 vs 4.5). On price, update cadence, ads 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
Both are free to download. JuggernautAI sells 1 in-app purchase, starting at $34.99 per month. StrengthReps asks for nothing beyond the download.
JuggernautAI holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: JuggernautAI has 5.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 100% of StrengthReps's written reviews are positive against 73% of JuggernautAI's, so the app with the better star average is not the one people write more warmly about.
StrengthReps ships an update every 6 days, JuggernautAI every 4 days. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.
| Parameter | StrengthReps | JuggernautAI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 4.8 (5.7K ratings) — better |
| Positive reviews | 100.0% of reviews — better | 72.7% of reviews |
| Number of ratings | 2 | 5.7K — better |
| Update frequency | Every 6 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 108 MB |
| Age rating | 4+ | 17+ |
| Developer | Michael Graziano | Juggernaut Apps |
Customer experience
StrengthReps
JuggernautAI
Bugs and requests
StrengthReps
Not enough reviews yet to summarise bugs or 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
In-app purchases
StrengthReps
No in-app purchases
JuggernautAI
- JuggernautAI Monthly2 variants$34.991 Month
Questions
Is StrengthReps free?
Is JuggernautAI free?
Which has better reviews, StrengthReps or JuggernautAI?
Do StrengthReps or JuggernautAI have ads?
Which is updated more often, StrengthReps or JuggernautAI?
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