RK Fit
RK Fit is made and published by Williams, Rennison. AppBrain is an independent app data site and isn't affiliated with Williams, Rennison. The app name, icon, screenshots and description belong to Williams, Rennison and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- October 4, 2026
Rankings
App Store top chartsApp Store Rankings for RK Fit
Competitors
Similar apps and more from Williams, RennisonAlternatives to RK Fit
More from Williams, Rennison
Releases
Updates seen on the App Store- Version
- 0.1.7
- Launched
- August 2026
No changelog data
User feedback
Ratings and reviews on the App StoreComments on RK Fit for iOS
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Price
- Free
- App size
- 40.1 MB
- Content rating
- Everyone
Technologies used by RK Fit
About the app and developer
About RK Fit
RK Fit is a health & fitness app developed by Williams, Rennison.
What is the rating of RK Fit?
RK Fit has no ratings yet.
Is RK Fit free?
RK Fit is free. The app size is 40.11 MB. The latest version available is 0.1.7. The last update was on October 4, 2026.
What are the requirements for RK Fit?
The app has a content rating of Everyone. The app has been available on the App Store since August 2026.
Developer information for Williams, Rennison
Address:
Store listing
By Williams, Rennison, from the App StoreDescription by Williams, Rennison Written by the developer, not by AppBrain. Click to read.
Designed by certified strength and conditioning professionals, RK Fit emphasizes technically sound lifting, progressive overload, and long term development. Every program is intentional. Every phase serves a purpose.
Usage of the RK Fit app is governed by Apple's End User License Agreement. Please view it here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Whether you are coaching athletes, preparing for powerlifting, or building foundational strength, RK Fit provides structured execution with clear progression.
Structured Programs
Access professionally designed programs including:
• 12 Week Progressive SBD Programs
• Full Body Strength Development
• Glutes and Core Focused Training
• Beginner to Intermediate Foundations
• Hypertrophy Based Phases
Each program follows logical progression to support consistent strength gains for both coaches managing athletes and individuals training independently.
Squat only, bench only, and deadlift only programs will be added soon. Exclusive technical tutorials for these lifts are available inside the app now.
Learn Proper Technique
Every exercise includes:
• Video demonstrations
• Clear coaching cues
• Execution guidance
• Load and rep targets
Demonstrations may feature multiple coaches to provide varied technical perspectives and reinforce proper mechanics.
Track Every Lift
• Log sets, reps, and load
• Monitor progression over time
• Follow structured weekly progression
• Eliminate guesswork from programming
Built For
• Coaches programming structured strength plans
• Athletes preparing for competition
• Powerlifters refining SBD performance
• Beginners learning proper mechanics
• Lifters who value structured progression
Training Philosophy
Strength is built through precision, progression, and consistency. RK Fit prioritizes safe loading, mechanical efficiency, and sustainable long term development.
No random workouts. No unnecessary complexity. Just structured strength training.
Usage of the RK Fit app is governed by the RK Fit Terms of Service, which can be found here: https://api.rk-fit.com/legal/tos