# 백스테이 (Bagstay) vs 일루미 4단지

The clearest difference is iOS requirement: 백스테이 (Bagstay) at 13.0 against 일루미 4단지's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

백스테이 (Bagstay) ships an update every 8 months, 일루미 4단지 every 6 months. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 백스테이 (Bagstay) | 일루미 4단지 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 months** |
| Size | 18 MB | 25 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [JaeHan Kim](https://appshunter.io/developer/1313173586) | [Orora Platform Company](https://appshunter.io/developer/1593348188) |

## What reviewers say

### 백스테이 (Bagstay)

[App page](https://appshunter.io/ios/app/bagstay/id1313173587)

**Features:** macOS Compatibility

**In-app purchases:** none


### 일루미 4단지

[App page](https://appshunter.io/ios/app/4/id6743650922)

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

**In-app purchases:** none


## Frequently asked questions

### Is 백스테이 (Bagstay) free?

백스테이 (Bagstay) is free to download, with no in-app purchases.

### Is 일루미 4단지 free?

일루미 4단지 is free to download, with no in-app purchases.

### Do 백스테이 (Bagstay) or 일루미 4단지 have ads?

Neither 백스테이 (Bagstay) nor 일루미 4단지 shows ads.

### Which is updated more often, 백스테이 (Bagstay) or 일루미 4단지?

백스테이 (Bagstay) ships an update every 8 months, and 일루미 4단지 every 6 months. Most recently, 백스테이 (Bagstay) was updated on October 26, 2026 and 일루미 4단지 on October 8, 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.*