# AST Catalog vs SFEROOM

The clearest difference is rating: SFEROOM at 4.1 against AST Catalog's 3.2. SFEROOM also leads on review sentiment (57% vs 38%) and iOS requirement (15.6 vs 17). On price, ratings volume, update cadence and ads there is nothing between them.

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

SFEROOM holds the better App Store score, 4.1 against 3.2. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews point the same way: 38% of AST Catalog's written reviews are positive against 57% of SFEROOM's.

AST Catalog ships an update every 2 months, SFEROOM monthly. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | AST Catalog | SFEROOM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/ast-catalog/id1579473232/reviews) | **[4.1 (11 ratings)](https://appshunter.io/ios/app/sferoom/id6467978701/reviews)** |
| Number of ratings | 5 | **11** |
| Positive reviews | 38.1% of reviews | **56.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 52 MB | 108 MB |
| Requires iOS | 17 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [ART SYSTEM, LLC](https://appshunter.io/developer/1524307772) | [Mihail Igorevich KRUKOV](https://appshunter.io/developer/1415717195) |

## What reviewers say

### AST Catalog

[App page](https://appshunter.io/ios/app/ast-catalog/id1579473232)

This app provides an electronic catalog of songs for AST karaoke systems. It allows users to search for songs by various criteria, filter results, and create favorite song lists. Users can also listen to original song versions.

**Highlights:** Illustrated artist catalog, Search by number, title, artist, lyrics, Filter by language, format, genre, Instant access to favorite genres, Create and sync favorite song lists, Listen to original song versions

**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 AST Catalog free?

AST Catalog 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, AST Catalog or SFEROOM?

SFEROOM is rated higher. AST Catalog averages 3.2 out of 5 from 5 ratings, while SFEROOM averages 4.1 from 11 ratings.

### Do AST Catalog or SFEROOM have ads?

Neither AST Catalog nor SFEROOM shows ads.

### Which is updated more often, AST Catalog or SFEROOM?

AST Catalog ships an update every 2 months, and SFEROOM monthly. Most recently, AST Catalog was updated on September 21, 2026 and SFEROOM on September 23, 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.*