1RM Calculator

Developer: Yuri Koshiishi

Category: Health & Fitness

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52.5K installs

519 ratings

2.1K monthly active users

$<10K monthly revenue est.

IAP 100% · Ad 0%

Install Trends

Weekly +111

Steady

Monthly +589

Steady

1RM Calculator Summary

1RM Calculator is a with in-app purchases Android app in Health And Fitness by Yuri Koshiishi. Released in May 2021 (4 years ago). It has about 52.5K+ installs and 519 ratings with a 4.79★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 2.1K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Feb 12, 2025.

Recent activity: 111 installs this week (589 over 4 weeks) showing steady growth , and 1.00 new ratings this week View trends →

Store info: Last updated on Google Play on Feb 12, 2025 .

SDKs, Trackers & Permissions

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App Details

Store ID: com.yurikoshiishi.one_rm_calculator

First Released: 2021-05-09

Store Last Updated: 2025-02-12

In-App Purchases: Yes

Ads: No

Website: 1rm-calculator.netlify.app

App Store

Crawl Status: Success

AppGoblin First Crawled: 2024-08-30

AppGoblin Last Crawled: 2026-03-26

Ads & App-Ads.txt

App does not have ads.

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4.79★

Ratings: 519

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Screenshots

App Description

Calculate and Track your One Rep Max Strength with RPE and Custom Exercises

An easy-to-use 1RM calculation app that lets you use RPE and track your 1RM history.

The core functionalities include:

- 1RM calculation with RPE (optional).

- Rep maxes estimation from 2 to 12 reps, according to your estimated 1RM.

- Saving 1RM history by exercise.

- Customized exercise selection.

- Dark theme available.