# SSA Studio vs AX

The clearest difference is review sentiment: SSA Studio at 50% against AX's 0%. SSA Studio also leads on rating (4.7 vs 2.2) and update cadence (fortnightly vs every 2 months). On price, ratings volume, 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.

SSA Studio holds the better App Store score, 4.7 against 2.2. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews point the same way: 50% of SSA Studio's written reviews are positive against 0% of AX's.

SSA Studio ships an update fortnightly, AX every 2 months. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SSA Studio | AX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (10 ratings)](https://appshunter.io/ios/app/ssa-studio/id1091336601/reviews)** | [2.2 (5 ratings)](https://appshunter.io/ios/app/ax-dsp-xl/id1495854432/reviews) |
| Number of ratings | **10** | 5 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 27 MB | 10 MB |
| Requires iOS | **11.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AURA VIS IMPORT EXPORT SERVICII SRL](https://appshunter.io/developer/1091336600) | [Metra Electronics Corp.](https://appshunter.io/developer/1133973919) |

## What reviewers say

### SSA Studio

[App page](https://appshunter.io/ios/app/ssa-studio/id1091336601)

This utility app connects to specific audio sensors and voltmeters to display real-time and peak measurements. It allows for multi-sensor support and includes video recording with score overlays for data visualization.

**Highlights:** Real-time and peak measurement view, Support for SSA APM-2 and APM-X SPL sensors, Support for SSA AVM-X voltmeter, Multi-sensor connectivity, Video recording with score overlay

**Features:** macOS Compatibility

**In-app purchases:** none


### AX

[App page](https://appshunter.io/ios/app/ax-dsp-xl/id1495854432)

Enhance your car's audio system with this digital signal processor. It offers an all-in-one solution for various audio setups, allowing for improved sound quality and subwoofer integration while preserving factory features. Control settings easily via a smartphone app.

**Highlights:** Digital Signal Processor, Subwoofer integration, Preserves OE features, Bluetooth smartphone control, Vehicle-specific T-Harnesses (sold separately), All-in-one solution

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SSA Studio free?

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

### Is AX free?

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

### Which has better reviews, SSA Studio or AX?

SSA Studio is rated higher. SSA Studio averages 4.7 out of 5 from 10 ratings, while AX averages 2.2 from 5 ratings.

### Do SSA Studio or AX have ads?

Neither SSA Studio nor AX shows ads.

### Which is updated more often, SSA Studio or AX?

SSA Studio ships an update fortnightly, and AX every 2 months. Most recently, SSA Studio was updated on October 16, 2026 and AX on October 3, 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.*