RPE Lab
1RM & RPE Gym Calculator
Free · Designed for iPad. Not verified for macOS.
Optimize your strength training with RPE Lab. Turn 1RM into RPE charts, know exactly what to load each session, track your big three lifts over time with clear graphs.
RPE Lab is a simple, fast 1RM and RPE calculator built for strength training.
Use it to:
• Estimate your 1RM from weight and reps
• Choose your preferred formula
• Plan training loads using RPE-based targets
• Save time between sets with quick, on-the-fly calculations
• Register your own personal record on the three main lifts
• Watch charts of your personal records
Designed to be lightweight and distraction-free:
• Works offline
• No accounts, no ads
• No analytics and no tracking
Disclaimer:
RPE Lab is for informational purposes only. Always train within your limits and use proper technique.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
In this version the graphics have been redesigned for a fresher and more modern look
The developer, Carlo Feletti, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Carlo Feletti
- Size
- 9.5 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 csoft9973