# RELAIR vs ハピネス工房YUKA

RELAIR and ハピネス工房YUKA 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.

RELAIR ships an update every 39 months, ハピネス工房YUKA every 51 months. The most recent releases landed on May 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | RELAIR | ハピネス工房YUKA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 39 months** | Every 51 months |
| Size | 36 MB | 19 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MISA KAWAZU](https://appshunter.io/developer/1558771595) | [YUKA FURUSHO](https://appshunter.io/developer/1562841922) |

## What reviewers say

### RELAIR

[App page](https://appshunter.io/ios/app/relair/id1558771593)

**In-app purchases:** none


### ハピネス工房YUKA

[App page](https://appshunter.io/ios/app/yuka/id1562841920)

**In-app purchases:** none


## Frequently asked questions

### Is RELAIR free?

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

### Is ハピネス工房YUKA free?

ハピネス工房YUKA is free to download, with no in-app purchases.

### Do RELAIR or ハピネス工房YUKA have ads?

Neither RELAIR nor ハピネス工房YUKA shows ads.

### Which is updated more often, RELAIR or ハピネス工房YUKA?

RELAIR ships an update every 39 months, and ハピネス工房YUKA every 51 months. Most recently, RELAIR was updated on May 15, 2026 and ハピネス工房YUKA on September 14, 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.*