# GF Device Link vs モーター回転数計

The clearest difference is in-app purchases: GF Device Link at none against モーター回転数計's 1. GF Device Link also leads on iOS requirement (11.0 vs 18.0). モーター回転数計's advantage is update cadence (monthly vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. モーター回転数計 sells 1 one-off in-app purchase. GF Device Link asks for nothing beyond the download.

GF Device Link ships an update every 5 months, モーター回転数計 monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | GF Device Link | モーター回転数計 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 41 MB | 2 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [G FORCE, K.K.](https://appshunter.io/developer/863835209) | [Shuhei Yamamoto](https://appshunter.io/developer/1896725589) |

## What reviewers say

### GF Device Link

[App page](https://appshunter.io/ios/app/gf-device-link/id1563122183)

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

**In-app purchases:** none


### モーター回転数計

[App page](https://appshunter.io/ios/app/rpm/id6806788279)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| モーター回転数計 Pro | $4.99 | one-time |


## Frequently asked questions

### Is GF Device Link free?

GF Device Link is free to download, with no in-app purchases.

### Is モーター回転数計 free?

モーター回転数計 is free to download, with in-app purchases available.

### Do GF Device Link or モーター回転数計 have ads?

Neither GF Device Link nor モーター回転数計 shows ads.

### Which is updated more often, GF Device Link or モーター回転数計?

GF Device Link ships an update every 5 months, and モーター回転数計 monthly. Most recently, GF Device Link was updated on November 3, 2026 and モーター回転数計 on October 31, 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.*