Content rating
Teen
10+
Downloads
Content rating
Teen
Diverse Content: Discretion Advised
Users Interact
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Try OnlyStrength COMPLETELY FREE with our 7 Day FREE Trial. Risk free, no payment collected during your trial!

OnlyStrength is the BEST Remote Training Experience in the WORLD for Athletes of ALL SPORTS!

- Programming trusted by THOUSANDS of athletes since 2016.
- Designed by expert and world renowned Coach, Gerry DeFilippo.
- Has guided collegiate and pro athletes from over 75 organizations and colleges.
- Highly regarded by various MLB, NFL and Collegiate Performance Coaches.

OnlyStength gives athletes and members year round programming COMPREHENSIVELY involving all aspects of strength training, sprinting, plyometrics, agility, mobility, conditioning and more. It is designed for athletes who want to improve their performance and athletic ability, but have no idea where to begin or start.

Our system provides progressed, guided programming giving all athletes the tools they need to get faster, stronger and more explosive. Designed for athletes who need a specific program driven to improve athletic performance. Choose your program based upon your experience level or whether or not you are in-season or moving through your off-season.

With OnlyStrength, you can expect:

- Progressed and guided programming.
- Prescribed reps, sets, rest and tempo/intensity for all exercises.
- Comprehensive sprinting, agility and top speed/acceleration training.
- A battery of loaded and unloaded jumps and plyometrics to build power.
- Complete upper and lower body strength training to build strength and force output.
- Conditioning, mobility and preparation/warm-up routines.

The OnlyStrength app is designed to assist you via:

- Automatic weight calculations for main lifts and strength movements.
- Workout history tracking gathering and collecting all weights used for easy reference.
- Video demos for EVERY exercise directly and easily accessible within all training programs.
- Metric tracking for sprint times, jump scores, bodyweight and more to gauge YOUR progress.
- In-app rest timer set specifically to the rest times you need depending on each exercise type.
- Categorized video library of over 700 strength, speed, jump, mobility and conditioning demos to guide you.
- Community where you can seek guidance and receive help from expert coach Gerry DeFilippo.

Coming soon:

- Special coach packages where coaches can distribute OnlyStrength programming to their teams with personalized profiles.
- Artificial Intelligence technology based on and crafted after Gerry DeFilippo, at your full disposal to answer your training questions and design further personalized and custom programs for YOU!
Updated on
Mar 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
This app may collect these data types
Personal info and Health and fitness
Data is encrypted in transit
You can request that data be deleted
Content rating
Teen
Diverse Content: Discretion Advised
Users Interact
Learn more

App support

About the developer
CHALLENGER TRAINING SYSTEMS INC
onlystrength1@gmail.com
6 Baccarat Ct Montville, NJ 07045-9032 United States
+1 973-809-2157