# 1RM Calculator & Max Tracker — Calculate 1RM & log max weight

> Calculate 1RM & log max weight (iPhone/iPad app by KEITA SHOJI.)

- Source: https://appshunter.io/ios/app/1rm-calculator-and-max-tracker/id6819795826 (this page in markdown: same URL + `.md`)
- Developer: [KEITA SHOJI](https://appshunter.io/developer/1758998640)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 16.6 · 4 MB
- Languages: American English
- Released: 2026-10-13
- Data updated: 2026-10-31

## What is 1RM Calculator & Max Tracker?

1RM Calculator" is a dedicated app for quickly calculating your one-rep max (1RM) and visualizing your daily progress in strength training.

Leave the math to the app! Just enter your lifting weight and reps to instantly estimate your max weight. It fully supports not only the "Big 3" but also "weighted exercises" like weighted pull-ups and dips.

[Key Features] ■ High-Accuracy 1RM Calculation Supports standard exercises, specialized formulas for Bench Press, Squat, and Deadlift, and total weight calculations for weighted bodyweight exercises.

■ RM Table (Reverse Calculation) "If my max is 225 lbs, what weight should I use for 8 reps?" Our quick reference chart shows you exactly what weight to load for your target reps, making workout planning a breeze.

■ Max Weight Logging & Charts Save your personal bests (1RM) for each exercise. Beautifully visualize your strength journey and progress over time using iOS's latest interactive charts.

■ Custom Exercises Easily add and manage your own custom exercises. Keep your workout log clean by separating "Normal" and "Weighted" exercises.

[Recommended for]

Lifters who love hitting new PRs (Personal Records).
Anyone who wants to set the perfect training weight without guessing.
Athletes looking to break through strength plateaus.
Calisthenics athletes doing weighted pull-ups and dips.
Supercharge your lifting journey today!

## Is 1RM Calculator & Max Tracker safe?

Not enough ratings yet to assess 1RM Calculator & Max Tracker.

## Is 1RM Calculator & Max Tracker legit?

1RM Calculator & Max Tracker appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for 1RM Calculator & Max Tracker is 70 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-13

No release notes.

## More apps by KEITA SHOJI

- [筋トレメモ＆RM換算機](https://appshunter.io/ios/app/rm/id6569255164)
- [自分で作る単語帳〜暗記無双〜](https://appshunter.io/ios/app/id6670315761)
- [RM Calculator(BP.SQ.DL)](https://appshunter.io/ios/app/rm-calculatorbpsqdl/id6738381925)
- [可算名詞or不可算名詞クイズ](https://appshunter.io/ios/app/or/id6748223272)
- [スマートシャトルラン](https://appshunter.io/ios/app/id6752814242)
- [HIIT & Tabata Timer with Music](https://appshunter.io/ios/app/hiit-and-tabata-timer-with-music/id6754508192)

All apps by KEITA SHOJI: https://appshunter.io/developer/1758998640

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-31.*