# UnionBackstage vs SFEROOM

The clearest difference is rating: UnionBackstage at 5.0 against SFEROOM's 4.0. UnionBackstage also leads on review sentiment (100% vs 58%). SFEROOM's advantage is update cadence (monthly vs every 5 months) and ratings volume (14 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

UnionBackstage holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: SFEROOM has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of UnionBackstage's written reviews are positive against 58% of SFEROOM's.

UnionBackstage ships an update every 5 months, SFEROOM monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | UnionBackstage | SFEROOM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unionbackstage/id6465955296/reviews)** | [4.0 (14 ratings)](https://appshunter.io/ios/app/sferoom/id6467978701/reviews) |
| Number of ratings | 2 | **14** |
| Positive reviews | **100.0% of reviews** | 58.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 46 MB | 108 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [UnionMusic OU](https://appshunter.io/developer/1706813743) | [Mihail Igorevich KRUKOV](https://appshunter.io/developer/1415717195) |

## What reviewers say

### UnionBackstage

[App page](https://appshunter.io/ios/app/unionbackstage/id6465955296)

Easily distribute your music to major streaming platforms. Manage your tracks and albums efficiently using just your smartphone. Maintain 100% creative control over your releases.

**Highlights:** Seamless music release on major platforms, 100% creative control, Smartphone-based management, Effortless track and album downloads, Global artist community

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

**In-app purchases:** none


### SFEROOM

[App page](https://appshunter.io/ios/app/sferoom/id6467978701)

This music publishing app helps artists distribute their music to major platforms, track earnings, and promote releases. It offers AI tools for creative assets, marketing campaigns, and a directory of recording studios.

**Highlights:** Music distribution to major platforms, Real-time listening and earnings statistics, Release promotion and playlist pitching, Multi-link generation for releases, Targeted social media marketing tools, AI-powered album art and lyric generation, Recording studio directory and booking

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

**In-app purchases:** none


## Frequently asked questions

### Is UnionBackstage free?

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

### Is SFEROOM free?

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

### Which has better reviews, UnionBackstage or SFEROOM?

UnionBackstage is rated higher. UnionBackstage averages 5.0 out of 5 from 2 ratings, while SFEROOM averages 4.0 from 14 ratings.

### Do UnionBackstage or SFEROOM have ads?

Neither UnionBackstage nor SFEROOM shows ads.

### Which is updated more often, UnionBackstage or SFEROOM?

UnionBackstage ships an update every 5 months, and SFEROOM monthly. Most recently, UnionBackstage was updated on October 30, 2026 and SFEROOM on October 30, 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.*