Comparison

RP Hypertrophy vs Stage 4 Training

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

Head to head
About

RP Hypertrophy

Build muscle and achieve your fitness goals with science-backed training recommendations. Get personalized workout plans, track your progress, and access technique videos to optimize your gym sessions. Ideal for anyone seeking effective results.

Highlights
  • Personalized training recommendations
  • Customizable workout plans
  • 45+ premade training plans
  • 250+ technique videos
  • Meso Builder for specific focus
  • Weekly progression planning
Features
Read full description

Build more muscle and get JACKED with the RP Hypertrophy app, designed by Dr. Mike Israetel. Used by industry experts, pro bodybuilders and thousands of satisfied users to help them get in the best shape of their lives, the app is perfect for anyone who wants to get real results powered by science. Not sure what to do at the gym? Not getting the gains you are looking for? The RP Hypertrophy app is like having a coach in your pocket providing you with personalized training recommendations. Focus on upper body, lower body or specific muscle groups with one of over 45 premade training plans or the custom meso builder. Why Use the RP Hypertrophy App? • Progression planned just for you. Know exactly the weight and reps to hit every week for your best growth. Customize your workouts so you can change things on the fly. • Personalized recommendations. The app adjusts to your pump, soreness and workload feedback to create the perfect training plan week-by-week. • 45+ premade training plans. Including bodypart specialization programs. • 250+ technique videos. Not sure how to properly do an exercise? No problem, there’s a video for that. • Want to focus on abs and maintain your glutes? Use the powerful Meso Builder and create a workout plan just for you. Subscription pricing and terms: We offer 3 different subscriptions that provide full access to the app and all its features. You can choose to subscribe monthly, a 6 month term or annually. If you purchase a RP Hypertrophy native subscription, please note billing and charges are done through your iTunes account and auto-renewed based on your subscription term. At the end of the term, unless auto-renewable subscription is disabled, your subscription will automatically renew in your iTunes account. You will be charged for the regular price of your subscription within 24 hours prior to the end of the current term. Your subscription can be managed or cancelled in your Apple ID Account Settings. Privacy Policy: https://rpstrength.com/policies/privacy-policy Terms of Service: https://rpstrength.com/policies/terms-of-service

About

Stage 4 Training

Access personalized workout programs and track your fitness journey, including workouts, nutrition, habits, and measurements. Connect with your coach and a supportive community for motivation and guidance.

Highlights
  • Personalized workout programs
  • Workout and exercise video tracking
  • Meal and habit tracking
  • Goal setting and progress monitoring
  • Milestone badges and habit streaks
  • Real-time coach messaging
  • Digital community support
  • Body measurement tracking
Features
Read full description

With the Stage 4 Training App, you will have access to workout programs designed specifically to help you reach your fitness and health goals! You can follow & track your workouts, your nutrition, your lifestyle habits, measurements and results–all with the help of your coach. FEATURES: - Access training plans and track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message your coach in real-time - Be part of digital communities to meet people with similar health goals and stay motivated - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition Download the app today!

Screenshots

RP Hypertrophy4 screens
Stage 4 Training4 screens

Verdict

The call

The clearest difference is rating: Stage 4 Training at 5.0 against RP Hypertrophy's 4.4. Stage 4 Training also leads on in-app purchases (none vs 5) and review sentiment (100% vs 77%). RP Hypertrophy's advantage is update cadence (fortnightly vs every 6 weeks) and ratings volume (291 vs 27). On price and ads 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. RP Hypertrophy sells 5 in-app purchases, starting at $34.99 per month. Stage 4 Training asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stage 4 Training holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: RP Hypertrophy has 291 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 77% of RP Hypertrophy's written reviews are positive against 100% of Stage 4 Training's.

UpkeepUpdate frequency

RP Hypertrophy ships an update fortnightly, Stage 4 Training every 6 weeks. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.

Scorecard8 real differences · 2 level
RP Hypertrophy versus Stage 4 Training: the parameters behind the verdict, then further details
ParameterRP HypertrophyStage 4 Training
PriceFreeFree
Rating4.4 (291 ratings)5.0 (27 ratings) — better
Positive reviews77.0% of reviews100.0% of reviews — better
Number of ratings291 — better27
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.615.1 — better
Further details — not scored
Size4 MB188 MB
Age rating17+4+
DeveloperRP Strength, LLCStage 4 Training LLC

Customer experience

RP Hypertrophy

All ratings242 ratings
Positive80.6%
Neutral6.2%
Negative13.2%
Written reviews191 reviews
Positive77.0%
Neutral9.4%
Negative13.6%

Stage 4 Training

All ratings25 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

RP Hypertrophy

Subscriptions5
  • Monthly Subscription$34.991 Month
  • Monthly Subscription7 Days trial$34.991 Month
  • 6 Month Subscription$199.996 Months
Show 2 more
  • Yearly Subscription$299.991 Year
  • Yearly Subscription7 Days trial$299.991 Year
None

Stage 4 Training

No in-app purchases

Questions

Is RP Hypertrophy free?
RP Hypertrophy is free to download, with in-app purchases available.
Is Stage 4 Training free?
Stage 4 Training is free to download, with no in-app purchases.
Which has better reviews, RP Hypertrophy or Stage 4 Training?
Stage 4 Training is rated higher. RP Hypertrophy averages 4.4 out of 5 from 291 ratings, while Stage 4 Training averages 5.0 from 27 ratings.
Do RP Hypertrophy or Stage 4 Training have ads?
Neither RP Hypertrophy nor Stage 4 Training shows ads.
Which is updated more often, RP Hypertrophy or Stage 4 Training?
RP Hypertrophy ships an update fortnightly, and Stage 4 Training every 6 weeks. Most recently, RP Hypertrophy was updated on October 29, 2026 and Stage 4 Training on October 22, 2026.

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