# BACKSTAGE栄（バックステージ サカエ） vs UNION BOOTH/UNPLAN/un/on.

The clearest difference is iOS requirement: BACKSTAGE栄（バックステージ サカエ） at 8.0 against UNION BOOTH/UNPLAN/un/on.'s 15.6. 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.

BACKSTAGE栄（バックステージ サカエ） ships an update every 16 months, UNION BOOTH/UNPLAN/un/on. every 27 months. The most recent releases landed on October 26, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | BACKSTAGE栄（バックステージ サカエ） | UNION BOOTH/UNPLAN/un/on. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 27 months |
| Size | 5 MB | 2 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [UNION BOOTH, LIMITED LIABILITY CO.](https://appshunter.io/developer/1549802765) |

## What reviewers say

### BACKSTAGE栄（バックステージ サカエ）

[App page](https://appshunter.io/ios/app/backstage/id1439190700)

**Features:** macOS Compatibility

**In-app purchases:** none


### UNION BOOTH/UNPLAN/un/on.

[App page](https://appshunter.io/ios/app/union-boothunplanunon/id1549802763)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BACKSTAGE栄（バックステージ サカエ） free?

BACKSTAGE栄（バックステージ サカエ） is free to download, with no in-app purchases.

### Is UNION BOOTH/UNPLAN/un/on. free?

UNION BOOTH/UNPLAN/un/on. is free to download, with no in-app purchases.

### Do BACKSTAGE栄（バックステージ サカエ） or UNION BOOTH/UNPLAN/un/on. have ads?

Neither BACKSTAGE栄（バックステージ サカエ） nor UNION BOOTH/UNPLAN/un/on. shows ads.

### Which is updated more often, BACKSTAGE栄（バックステージ サカエ） or UNION BOOTH/UNPLAN/un/on.?

BACKSTAGE栄（バックステージ サカエ） ships an update every 16 months, and UNION BOOTH/UNPLAN/un/on. every 27 months. Most recently, BACKSTAGE栄（バックステージ サカエ） was updated on October 26, 2026 and UNION BOOTH/UNPLAN/un/on. on September 29, 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.*