# 1RM Max Calculator vs RM計算機

The clearest difference is in-app purchases: RM計算機 at none against 1RM Max Calculator's 3. RM計算機 also leads on iOS requirement (13.0 vs 16.6). On price there is nothing between them.

Both are free to download. 1RM Max Calculator sells 3 one-off in-app purchases. RM計算機 asks for nothing beyond the download.

## The numbers

| Metric | 1RM Max Calculator | RM計算機 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (22 ratings)](https://appshunter.io/ios/app/1rm-max-calculator/id1110502852/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 70.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 12 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Kazumasa Shimomura](https://appshunter.io/developer/1110502851) | [Oshi Kadota](https://appshunter.io/developer/1709843230) |

## What reviewers say

### 1RM Max Calculator

[App page](https://appshunter.io/ios/app/1rm-max-calculator/id1110502852)

Instantly calculate your one-rep max (1RM) for bench press, squat, and deadlift using 7 scientific formulas. Track your progress with intuitive charts and calendar records. Ideal for athletes and lifters aiming for more scientific and effective training.

**Highlights:** 7 scientific 1RM calculation formulas, Supports bench press, squat, and deadlift, Progress tracking and data visualization, Calendar for daily record management, One-tap data saving, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator for deadlift | $2.99 | one-time |
| Calculator for squat | $2.99 | one-time |
| Ad Blocker | $2.99 | one-time |


### RM計算機

[App page](https://appshunter.io/ios/app/rm/id6468378350)

**In-app purchases:** none


## Frequently asked questions

### Is 1RM Max Calculator free?

1RM Max Calculator is free to download, with in-app purchases available.

### Is RM計算機 free?

RM計算機 is free to download, with no in-app purchases.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*