# FIREFUL vs RM計算機

The clearest difference is in-app purchases: RM計算機 at none against FIREFUL's 2. RM計算機 also leads on iOS requirement (13.0 vs 17.0). FIREFUL's advantage is device support. On price there is nothing between them.

Both are free to download. FIREFUL sells 2 in-app purchases, starting at $1.99 per month. RM計算機 asks for nothing beyond the download.

## The numbers

| Metric | FIREFUL | RM計算機 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 2 weeks | — |
| Size | 56 MB | 12 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | — |
| Age rating | 4+ | 4+ |
| Developer | [Johan Norberg](https://appshunter.io/developer/979157479) | [Oshi Kadota](https://appshunter.io/developer/1709843230) |

## What reviewers say

### FIREFUL

[App page](https://appshunter.io/ios/app/fireful-workout-log-and-tracker/id1671307083)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FIREFUL Pro | $1.99 | per month |
| FIREFUL Pro | $19.99 | per year |


### RM計算機

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

**In-app purchases:** none


## Frequently asked questions

### Is FIREFUL free?

FIREFUL 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.

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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.*