# 筋トレメモ＆RM換算機 vs ベンチ更新

The clearest difference is in-app purchases: ベンチ更新 at none against 筋トレメモ＆RM換算機's 1. ベンチ更新 also leads on update cadence (every 9 days vs every 2 months) and device support (3 vs 1). 筋トレメモ＆RM換算機's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. 筋トレメモ＆RM換算機 sells 1 one-off in-app purchase. ベンチ更新 asks for nothing beyond the download.

筋トレメモ＆RM換算機 ships an update every 2 months, ベンチ更新 every 9 days. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | 筋トレメモ＆RM換算機 | ベンチ更新 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 25 MB |
| Requires iOS | 16.5 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KEITA SHOJI](https://appshunter.io/developer/1758998640) | [Kaito Matsui](https://appshunter.io/developer/1826592267) |

## What reviewers say

### 筋トレメモ＆RM換算機

[App page](https://appshunter.io/ios/app/rm/id6569255164)

This app helps you scientifically improve your strength training by calculating your 1RM, managing workout volume, and logging your sessions. Visualize your progress with graphs and data to ensure safe and efficient growth.

**Highlights:** High-accuracy 1RM calculation, RM reverse simulator for goal setting, Total volume visualization, Smart history and monthly logs, One-tap set copying, Rest timer with background support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |


### ベンチ更新

[App page](https://appshunter.io/ios/app/id6748619465)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 筋トレメモ＆RM換算機 free?

筋トレメモ＆RM換算機 is free to download, with in-app purchases available.

### Is ベンチ更新 free?

ベンチ更新 is free to download, with no in-app purchases.

### Do 筋トレメモ＆RM換算機 or ベンチ更新 have ads?

ベンチ更新 shows ads; 筋トレメモ＆RM換算機 does not.

### Which is updated more often, 筋トレメモ＆RM換算機 or ベンチ更新?

筋トレメモ＆RM換算機 ships an update every 2 months, and ベンチ更新 every 9 days. Most recently, 筋トレメモ＆RM換算機 was updated on September 24, 2026 and ベンチ更新 on September 7, 2026.

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