# My 1 Rep Max

> 1 Rep Max Calculator

Canonical page: [https://chrome-stats.com/d/id1317637753](https://chrome-stats.com/d/id1317637753)

## Overview

- **ID:** `id1317637753`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** James T. Constant
- **Category:** Health & Fitness
- **Rating:** 4.40 / 5 (118 ratings)
- **Version:** 2.1.12
- **Last updated:** 2024-12-06
- **First published:** 2018-02-17
- **Size:** 7.19 MB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/my-1-rep-max/id1317637753)
- **Website:** [https://mclovinsoftware.wordpress.com](https://mclovinsoftware.wordpress.com/)
- **Privacy policy:** [https://mclovinsoftware.wordpress.com/privacy/](https://mclovinsoftware.wordpress.com/privacy/)

## Description

My 1 Rep Max is a calculator and log book for weight training. Use popular 1RM formulas to estimate your maximum lift and log your workouts to visualize progress over time.

With My 1 Rep Max Premium you can create custom lifts and perform calculations with more than 10 repetitions. A safety note explains that 1RM estimates can vary and to prioritize safety, including having a spotter. The app will not ask for ratings, though you can rate it from Settings if you wish.

## Rankings

- #129,888 — Overall

## Review summary

Overall, users praise the app for its simplicity and reliable workout logging, with some noting accurate weight tracking. The major drawbacks are stability issues (crashes/glitches) and a limited lifts library that doesn't support user-defined lifts, even in premium.

### Pros

- Simplicity and ease of use.
- Reliable workout logging/history (complete workout storage).
- Accurate weight tracking.

### Cons

- Crashes and glitches affecting usability.
- Limited lift library; can't add user-defined lifts (even with premium).

## Similar extensions and apps

- [The One Rep Max](https://chrome-stats.com/d/id697865606) — 5.00 / 5
- [1RM Calculator - One Rep Max](https://chrome-stats.com/d/id681279192) — 4.50 / 5
- [One Rep Max](https://chrome-stats.com/d/id6467693942) — 3.00 / 5
- [1RM Weight Lifting Rep Max](https://chrome-stats.com/d/id1466865497) — 2.30 / 5
- [1 Rep Max Calc](https://chrome-stats.com/d/id6449542297) — 4.50 / 5
- [MaxRep: 1RM Calculator](https://chrome-stats.com/d/id6764419279)
- [One Rep Max: 1RM Calculator](https://chrome-stats.com/d/id950621710) — 4.40 / 5
- [One Rep Max - 1RM Calculator](https://chrome-stats.com/d/id1367332610) — 5.00 / 5
- [MaxLift - 1RM Calculator](https://chrome-stats.com/d/id6447921919)
- [Simple One-Rep-Max Calculator](https://chrome-stats.com/d/id1191599672) — 4.50 / 5
- [1-RM](https://chrome-stats.com/d/id1274191954) — 4.80 / 5
- [1RM - One Rep Max Calculator](https://chrome-stats.com/d/id6480014506)

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1317637753)