Quick 1RM
Fast 1RM & Lifting Calculator
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Just input weight and reps to instantly calculate your 1-12RM. Crush your limits with a truly minimal UI.
Quick 1RM is the most simple and speedy Repetition Maximum (RM) calculator, designed for lifters who want to focus purely on their workout.
[Features]
・Fully Automatic Calculation
Just input your weight and reps. Your 1 to 12RM chart appears instantly—no "Calculate" button required.
・Gym-Optimized UI
Built for serious lifting. Even with wrist wraps and knee sleeves on, the minimal interface is hassle-free with zero unnecessary screens.
・Reliable Epley Formula
Displays highly accurate 1-12 RM calculations, perfect for planning your heavy main sets for hypertrophy and strength.
・One-Tap Clear
Instantly reset your inputs with a single tap, making it seamless to move on to your next exercise.
Quick 1RM is the perfect buddy to help you crush your limits.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Minor bug fixes and improvements.
The developer, Shota Yamada, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Shota Yamada
- Size
- 4.4 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - Mac
Requires macOS 13.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Buy Me a Protein Shake🥛 $1.99
- Remove Ads $2.99
- Copyright
- © 2026 Shota Yamada