# Relation　Nail vs こころね　公式アプリ

Relation　Nail and こころね　公式アプリ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Relation　Nail ships an update every 39 months, こころね　公式アプリ every 38 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Relation　Nail | こころね　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 38 months** |
| Size | 15 MB | 15 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KIYOMI MATSUFUSA](https://appshunter.io/developer/1445924948) | [HIROKO MIYAZAKI](https://appshunter.io/developer/1452994567) |

## What reviewers say

### Relation　Nail

[App page](https://appshunter.io/ios/app/relation-nail/id1445924949)

**In-app purchases:** none


### こころね　公式アプリ

[App page](https://appshunter.io/ios/app/id1452994568)

**In-app purchases:** none


## Frequently asked questions

### Is Relation　Nail free?

Relation　Nail is free to download, with no in-app purchases.

### Is こころね　公式アプリ free?

こころね　公式アプリ is free to download, with no in-app purchases.

### Do Relation　Nail or こころね　公式アプリ have ads?

Neither Relation　Nail nor こころね　公式アプリ shows ads.

### Which is updated more often, Relation　Nail or こころね　公式アプリ?

Relation　Nail ships an update every 39 months, and こころね　公式アプリ every 38 months. Most recently, Relation　Nail was updated on October 26, 2026 and こころね　公式アプリ on October 26, 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.*