# Prology Audio vs AST Catalog

The clearest difference is rating: AST Catalog at 3.5 against Prology Audio's 2.3. AST Catalog also leads on review sentiment (40% vs 19%). Prology Audio's advantage is 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.

AST Catalog holds the better App Store score, 3.5 against 2.3. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews point the same way: 19% of Prology Audio's written reviews are positive against 40% of AST Catalog's.

Prology Audio ships an update every 3 months, AST Catalog every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Prology Audio | AST Catalog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (15 ratings)](https://appshunter.io/ios/app/prology-audio/id1516583187/reviews) | **[3.5 (6 ratings)](https://appshunter.io/ios/app/ast-catalog/id1579473232/reviews)** |
| Number of ratings | **15** | 6 |
| Positive reviews | 19.3% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 40 MB | 52 MB |
| Requires iOS | **15.6** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [BILARM](https://appshunter.io/developer/1052181077) | [ART SYSTEM, LLC](https://appshunter.io/developer/1524307772) |

## What reviewers say

### Prology Audio

[App page](https://appshunter.io/ios/app/prology-audio/id1516583187)

This app transforms your smartphone into a tool for personalized audio tuning and car stereo control. Adjust volume, manage a multi-band equalizer, select audio sources, and customize backlight color. It also supports navigation app voice prompts and displays track information.

**Highlights:** Volume adjustment, Multi-band equalizer, Audio source selection, Backlight color customization, Navigation voice prompt support, ID3 track information display, DSP settings for subwoofers and front outputs

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Prology Audio free?

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

### Is AST Catalog free?

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

### Which has better reviews, Prology Audio or AST Catalog?

AST Catalog is rated higher. Prology Audio averages 2.3 out of 5 from 15 ratings, while AST Catalog averages 3.5 from 6 ratings.

### Do Prology Audio or AST Catalog have ads?

Neither Prology Audio nor AST Catalog shows ads.

### Which is updated more often, Prology Audio or AST Catalog?

Prology Audio ships an update every 3 months, and AST Catalog every 2 months. Most recently, Prology Audio was updated on October 27, 2026 and AST Catalog on October 27, 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.*