# MOUSSY(マウジー)公式アプリ vs Dr.BY

The clearest difference is monetization model: MOUSSY(マウジー)公式アプリ at free against Dr.BY's ad-supported. Dr.BY's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (14.0 vs 16.1.1). 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.

MOUSSY(マウジー)公式アプリ ships an update every 2 months, Dr.BY every 3 weeks. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | MOUSSY(マウジー)公式アプリ | Dr.BY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drby/id1597059445/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 23 MB | 78 MB |
| Requires iOS | 16.1.1 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Baroque Japan Limited](https://appshunter.io/developer/858996838) | [(주)에이앤바이오](https://appshunter.io/developer/1597059447) |

## What reviewers say

### MOUSSY(マウジー)公式アプリ

[App page](https://appshunter.io/ios/app/moussy/id903335240)

Discover the latest fashion trends and shop directly from the online store. Find nearby physical locations and stay updated with new arrivals, popular items, and staff-styled outfits. Receive push notifications for important news and promotions.

**Highlights:** Online store access, Product ranking, New arrivals, Staff fashion snaps, Store locator, Push notifications

**In-app purchases:** none


### Dr.BY

[App page](https://appshunter.io/ios/app/drby/id1597059445)

Access exclusive coupons and discounts directly from your mobile device. Manage orders, shipping information, and your shopping cart with ease. Stay updated with store notifications and connect via social media.

**Highlights:** Exclusive coupons and discounts, Automatic login, Order tracking, Shopping cart management, Shipping info management, Store notifications, Social media access

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MOUSSY(マウジー)公式アプリ free?

MOUSSY(マウジー)公式アプリ is free to download, with no in-app purchases.

### Is Dr.BY free?

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

### Do MOUSSY(マウジー)公式アプリ or Dr.BY have ads?

Neither MOUSSY(マウジー)公式アプリ nor Dr.BY shows ads.

### Which is updated more often, MOUSSY(マウジー)公式アプリ or Dr.BY?

MOUSSY(マウジー)公式アプリ ships an update every 2 months, and Dr.BY every 3 weeks. Most recently, MOUSSY(マウジー)公式アプリ was updated on September 9, 2026 and Dr.BY on September 10, 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.*