# iPartySounds vs BACKDOOR会員アプリ

The clearest difference is price: BACKDOOR会員アプリ at Free against iPartySounds's $0.99. BACKDOOR会員アプリ also leads on update cadence (monthly vs every 59 months). iPartySounds's advantage is iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

BACKDOOR会員アプリ is free to download; iPartySounds costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iPartySounds ships an update every 59 months, BACKDOOR会員アプリ monthly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | iPartySounds | BACKDOOR会員アプリ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/backdoor/id6448009971/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 59 months | **Monthly** |
| Monetization | — | Free |
| Size | 184 MB | 41 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Amenity Design&Planning ,Ltd.](https://appshunter.io/developer/362341189) | [ROUNDERS, K.K.](https://appshunter.io/developer/1683263820) |

## What reviewers say

### iPartySounds

[App page](https://appshunter.io/ios/app/ipartysounds/id362341186)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### BACKDOOR会員アプリ

[App page](https://appshunter.io/ios/app/backdoor/id6448009971)

This is an exclusive members-only application for Amusement Casino BACKDOOR. Access special features and information as a valued member.

**Highlights:** Exclusive member access, Information for Amusement Casino BACKDOOR, Members-only features

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iPartySounds free?

iPartySounds costs $0.99, with no in-app purchases.

### Is BACKDOOR会員アプリ free?

BACKDOOR会員アプリ is free to download, with no in-app purchases.

### Do iPartySounds or BACKDOOR会員アプリ have ads?

Neither iPartySounds nor BACKDOOR会員アプリ shows ads.

### Which is updated more often, iPartySounds or BACKDOOR会員アプリ?

iPartySounds ships an update every 59 months, and BACKDOOR会員アプリ monthly. Most recently, iPartySounds was updated on October 8, 2026 and BACKDOOR会員アプリ on October 11, 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.*