# K.R.M【公式アプリ】 vs Y

The clearest difference is in-app purchases: K.R.M【公式アプリ】 at none against Y's 1. K.R.M【公式アプリ】 also leads on iOS requirement (12.0 vs 15.0). Y's advantage is update cadence (every 6 weeks vs every 39 months). On price, ads and device support there is nothing between them.

Both are free to download. Y sells 1 in-app purchase, starting at $5.99 per month. K.R.M【公式アプリ】 asks for nothing beyond the download.

K.R.M【公式アプリ】 ships an update every 39 months, Y every 6 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | K.R.M【公式アプリ】 | Y |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 6 weeks** |
| Size | 35 MB | 37 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kayoko Nakasato](https://appshunter.io/developer/1596388826) | [Yamaha Motor Co. Ltd.](https://appshunter.io/developer/337268490) |

## What reviewers say

### K.R.M【公式アプリ】

[App page](https://appshunter.io/ios/app/krm/id1596388824)

**In-app purchases:** none


### Y

[App page](https://appshunter.io/ios/app/y-trac-rev/id6736719622)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Plan | $5.99 | per month |


## Frequently asked questions

### Is K.R.M【公式アプリ】 free?

K.R.M【公式アプリ】 is free to download, with no in-app purchases.

### Is Y free?

Y is free to download, with in-app purchases available.

### Do K.R.M【公式アプリ】 or Y have ads?

Neither K.R.M【公式アプリ】 nor Y shows ads.

### Which is updated more often, K.R.M【公式アプリ】 or Y?

K.R.M【公式アプリ】 ships an update every 39 months, and Y every 6 weeks. Most recently, K.R.M【公式アプリ】 was updated on October 27, 2026 and Y on October 24, 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.*