# OSAJI vs HAY

The clearest difference is update cadence: HAY at monthly against OSAJI's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

OSAJI ships an update every 3 months, HAY monthly. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OSAJI | HAY |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 60 MB | 27 MB |
| Requires iOS | **16.0** | 16.1.1 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [日東電化工業株式会社](https://appshunter.io/developer/1529989079) | [WELCOME CO.,LTD.](https://appshunter.io/developer/1592040632) |

## What reviewers say

### OSAJI

[App page](https://appshunter.io/ios/app/osaji/id1529989077)

**Features:** Vision Pro support

**In-app purchases:** none


### HAY

[App page](https://appshunter.io/ios/app/hay/id6450727486)

Discover the latest product updates, exclusive content, and event information. This app allows you to shop, manage your membership, and save favorite items. Get access to special coupons and lifestyle ideas.

**Highlights:** Membership card for points and purchases, Product search and barcode scanning, Event and campaign notifications, Exclusive articles and lifestyle ideas, Favorite product and content registration, Coupon distribution

**In-app purchases:** none


## Frequently asked questions

### Is OSAJI free?

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

### Is HAY free?

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

### Do OSAJI or HAY have ads?

Neither OSAJI nor HAY shows ads.

### Which is updated more often, OSAJI or HAY?

OSAJI ships an update every 3 months, and HAY monthly. Most recently, OSAJI was updated on October 4, 2026 and HAY on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*