RepMax: Predict your next PR
Increase your 1RM
Free · Designed for iPad
Built to help you hit your next personal record quicker.
Achieve your strength goals with RepMax, an app designed for lifters who want to optimize their performance in the gym. Track your workouts, see how long it will take you to hit your next PR, and get a science-based workout program that you can customize to your liking. Whether you're aiming to smash your one-rep max or refine your training routine, RepMax keeps you on track with an intuitive interface and precise optimization tools.
Key Features:
Machine learning based predictions for the time required to hit your goal PR
Easy-to-use workout logger tailored for strength training.
Clean, Apple-like design with a home screen widget for quick access.
Take control of your progress and up your 1RM with MaxRep!
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
The developer, Nathaniel Kastner, 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
- Size
- 2.2 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.1 or later.
- iPhone
Requires iOS 18.1 or later. - iPad
Requires iPadOS 18.1 or later. - Mac
Requires macOS 15.1 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.1 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Provider
Nathaniel Kastner
- Nathaniel Kastner has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
- Copyright
- © 2025 Nathaniel Kastner