Comparison

JIM Stoppani vs Chalk Performance Training

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

Head to head
About

JIM Stoppani

Access thousands of articles, training programs, videos, and diet plans from a leading authority in exercise science. Track your progress with detailed workout logs and calorie tracking, and get personalized feedback.

Highlights
  • Thousands of articles
  • Training programs
  • Diet plans
  • Workout videos
  • Calorie tracking
  • Reps and weight tracking
  • Personalized feedback
Features
Read full description

Dr. Jim Stoppani is the leading authority on exercise science, sports nutrition, and supplementation. Over the past 15+ years, Dr. Stoppani has helped millions of people change their lives through science-based nutrition and supplement plans and expertly designed training programs. He owns and operates the ground-breaking, award-winning sports nutrition company JYM Supplement Science as well as the Internet's most advanced fitness website, www.jimstoppani.com. His personal and company mission is to change lives through proper training, nutrition and supplementation, all based on the latest scientific research, while always following the motto of "Do the Right Thing." Prior to creating JYM Supplement Science in 2013, Dr. Stoppani was a Research Fellow at the Yale School of Medicine, followed by an 11-year tenure as Senior Science Editor at Muscle & Fitness, FLEX and Muscle & Fitness Hers magazines. He has since become one of the most trusted, reliable sources of fitness information on the Internet. The JYMARMY Facebook group page – a community of passionate individuals who follow Dr. Stoppani's training, nutrition and supplement plans – is one of the largest and most engaging online groups, with over 60,000 members. The Jim Stoppani App allows you exclusive access to thousands of articles, training programs, videos, and diet plans. You get access to his website and App, but most importantly, you'll have the ability to tap his knowledge and get feedback from Dr. Stoppani 24/7. You can integrate all of your information from HealthKit to track your burned calories during workouts, and also take advantage of the App's detailed reps and weight tracking system to see your progress and save historical information. Dr. Stoppani is changing lives, one person at a time. Join the movement now! You can use in-app purchase to easily subscribe right from your phone, your iTunes account will be automatically charged after confirming your subscription. Subscriptions will automatically renew unless auto-renew is turned off at least 24-hours before the end of your subscription. Your iTunes account will be charged for renewal within 24-hours prior to the end your subscription period. You may manage your subscription after purchase and auto-renewal may be turned off by going to your iTunes Account Settings. For Privacy Policy please go to http://www.jimstoppani.com/privacy-policy and Terms and Conditions at https://www.jimstoppani.com/terms

About

Chalk Performance Training

Access science-based workouts for any fitness level, at home or in the gym. Track your progress, join a supportive global community, and receive expert guidance to achieve your health and fitness goals.

Highlights
  • At-home and gym workout programs
  • Beginner, intermediate, and advanced options
  • Exclusive workout library
  • Video demonstrations and instructions
  • Progress tracking and performance analysis
  • Global fitness community and discussions
Features
Read full description

The Chalk Performance Training App is the #1 Transformation App with the most effective, science-based workouts for anyone, anywhere and anytime. Chalk Performance Training is more than just a fitness app. It is a global family that works hard, trains together and inspires each other to reach new heights through health and fitness. WORKOUTS: ⁃ Train anywhere, anytime with access to both at home AND gym workout programs. ⁃ Find a workout to suits your needs, with beginner, intermediate or advanced workout options. ⁃ Access our exclusive Chalk Workout Library, with aesthetic, strength, endurance building, and minimal equipment program options. ⁃ Have a new, fresh and exciting workout for every day at your fingertips, ensuring you never get bored and stay motivated to achieve your fitness goals. ⁃ Set up a workout schedule that easily suits your preferences and your life. ⁃ All workouts include clear instructions, video demonstrations and exercise descriptions for proper form and technique to get the best results. PROGRESS TRACKING, SUPPORT & ACCOUNTABILITY: ⁃ Exclusive Chalk Performance Training video content. ⁃ Set goals and track your progress seamlessly within the app to ensure you are moving in the right direction. ⁃ Record your workout stats and analyze your performance over time. ⁃ Information, tips and tricks to educate you on your journey! COMMUNITY: ⁃ Join the Exclusive Chalk Performance Training Community that is a worldwide fitness family. ⁃ Get motivated by seeing what other users are achieving and share your journey and accomplishments too! ⁃ Participate in group discussions, ask questions, and get advice from experienced trainers and Chalk Coaches. ⁃ Discover inspiring success stories, fitness tips, and valuable insights from industry experts. We are on a mission to transform bodies, hearts and lives through health and fitness. If you have a goal, it is our mission to help you achieve it. We’d love to welcome you to our worldwide Chalk Performance Training Family!

Screenshots

JIM Stoppani4 screens
Chalk Performance Training4 screens

Verdict

The call

The clearest difference is rating: JIM Stoppani at 4.8 against Chalk Performance Training's 3.8. JIM Stoppani also leads on ratings volume (5.6K vs 166). Chalk Performance Training's advantage is in-app purchases (none vs 3). On price, review sentiment, update cadence 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. JIM Stoppani sells 3 in-app purchases, starting at $29.99 per month. Chalk Performance Training asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

JIM Stoppani holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: JIM Stoppani has 5.6K ratings behind it against 166, so its average is the more settled of the two. Written reviews point the same way: 70% of JIM Stoppani's written reviews are positive against 65% of Chalk Performance Training's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
JIM Stoppani versus Chalk Performance Training: the parameters behind the verdict, then further details
ParameterJIM StoppaniChalk Performance Training
PriceFreeFree
Rating4.8 (5.6K ratings) — better3.8 (166 ratings)
Positive reviews69.9% of reviews — better65.5% of reviews
Number of ratings5.6K — better166
Update frequencyEvery 5 monthsEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size59 MB44 MB
Age rating12+4+
DeveloperBowleg Media, LLCGym Ryan LLC

Customer experience

JIM Stoppani

All ratings5,612 ratings
Positive95.3%
Neutral2.4%
Negative2.2%
Written reviews276 reviews
Positive69.9%
Neutral11.2%
Negative18.8%

Chalk Performance Training

All ratings164 ratings
Positive67.1%
Neutral5.5%
Negative27.4%
Written reviews113 reviews
Positive65.5%
Neutral3.5%
Negative31.0%

User reviews

JIM Stoppani

From 5.6K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Helpful exercise instructions
  • 🚀 Extensive workout library
  • 👍 Tracks progress well
  • 🚀 Great for beginners and advanced users

Room to improve

  • 🐛 App crashes and glitches
  • 🔒 Difficult to cancel subscription
  • 👎 Poor customer support
  • 👎 Unreliable login and account management

Chalk Performance Training

From 166 App Store ratings

What we love

  • 🚀 Convenient and easy to use
  • 🔒 Robust security features
  • 👍 Variety of workout programs
  • 💡 Helpful nutrition resources
  • 🚀 Seamless workout tracking

Room to improve

  • 🐛 Buggy app functionality
  • 🔒 Difficult to cancel subscription
  • 👎 Poor customer service
  • 🐛 Inconsistent user experience
  • 👎 Confusing navigation

Bugs and requests

JIM Stoppani

Reported bugs

3 issues
  • App randomly logs users out
  • Workout data sometimes disappears
  • Exercises don't always load properly

Requested features

5 requests
  • Add notes/comments for exercises
  • Include rest timers
  • Allow exercise substitutions
  • Improve calendar scheduling flexibility
  • Provide more personalized workout recommendations

Chalk Performance Training

Reported bugs

4 issues
  • Timer resets when switching apps
  • Inability to log completed sets
  • Workout history not transferring from previous app
  • Difficulty creating custom workouts

Requested features

5 requests
  • Add option to disable audio during workouts
  • Improve ability to enter weights and reps manually
  • Provide more customization options for workouts
  • Implement seamless sync across devices
  • Add support for Apple Watch integration

In-app purchases

3 purchases

JIM Stoppani

Subscriptions3
  • Dr Jim Stoppani All Access7 Days trial$29.991 Month
  • Dr Jim Stoppani All Access$69.993 Months
  • Dr Jim Stoppani All Access$99.996 Months
None

Chalk Performance Training

No in-app purchases

Questions

Is JIM Stoppani free?
JIM Stoppani is free to download, with in-app purchases available.
Is Chalk Performance Training free?
Chalk Performance Training is free to download, with no in-app purchases.
Which has better reviews, JIM Stoppani or Chalk Performance Training?
JIM Stoppani is rated higher. JIM Stoppani averages 4.8 out of 5 from 5.6K ratings, while Chalk Performance Training averages 3.8 from 166 ratings.
Do JIM Stoppani or Chalk Performance Training have ads?
Neither JIM Stoppani nor Chalk Performance Training shows ads.
Which is updated more often, JIM Stoppani or Chalk Performance Training?
JIM Stoppani ships an update every 5 months, and Chalk Performance Training every 5 months. Most recently, JIM Stoppani was updated on October 29, 2026 and Chalk Performance Training on October 27, 2026.

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