GymCalc Max – 1RM
Kosshii Apps Health & Fitness iPhoneiPadiPod touch
GymCalc Max – 1RM is a free Health & Fitness app for iPhone and iPad by Kosshii Apps. Requires iOS 18.2. Updated March 10, 2026.
- Price
- Free
- on the App Store
- Size
- 2 MB
- Age 4+
- Updated
- Mar 10
- 2026 · v1.5
Screenshots
About GymCalc Max – 1RM
Lift smarter with precise strength tools built for barbell training. Calculate 1RM, plan plates, and generate warmups in seconds—no clutter, just results. Highlights Accurate 1RM: Multiple formulas for reliable estimates Plate math: Auto-calculate loading in kg/lb, fast copy for the platform Warmups: Build smooth ramp-up sets based on your target Secondary sets: Quick projections for common rep ranges Dual units: Instant kg ↔ lb switching with saved preferences Sleek UI: Minimal, focused design for quick entries
What’s new
Version 1.5 · Updated March 10, 2026
Bar weight now saves your custom value — no more resetting to 20 kg / 45 lbs Improved plate-friendly rounding accuracy More precise plate calculations Consistent number formatting across the converter General bug fixes and performance improvements
App privacy
The developer, Kosshii Apps, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to GymCalc Max – 1RM
Looking for apps like GymCalc Max – 1RM? Here are 6 similar apps on the App Store. The highest rated is OneRM - Workout Logger (5.0/5), and all 6 are free to download.
-
Rogue Workout Tracker: Gym Log
-
OneRM - Workout Logger
5.0
-
oneRM calculator(1RM)
-
PearPenguin-Nutrition Tracker
-
Peptimize: GLP-1 Tracker
5.0
-
Simple PRs (Personal Records)
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| GymCalc Max – 1RM | – | Free | March 10, 2026 | |
| Rogue Workout Tracker: Gym Log | – | Free | Oct 5, 2026 | Compare |
| OneRM - Workout Logger | 5.0 / 5 (2) | Free | Apr 28, 2026 | Compare |
| oneRM calculator(1RM) | – | Free | May 19, 2026 | Compare |
| PearPenguin-Nutrition Tracker | – | Free | Feb 15, 2026 | Compare |
| Peptimize: GLP-1 Tracker | 5.0 / 5 (1) | Free | Sep 14, 2026 | Compare |
| Simple PRs (Personal Records) | 5.0 / 5 (1) | Free | Aug 26, 2025 | Compare |
Compare GymCalc Max – 1RM with the top alternatives: ratings, updates, ASO score and keyword gaps →