# AX vs myFirstech

The clearest difference is rating: myFirstech at 4.0 against AX's 2.2. AX's advantage is iOS requirement (12.1 vs 15.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

myFirstech holds the better App Store score, 4.0 against 2.2. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

AX ships an update every 2 months, myFirstech every 6 weeks. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | AX | myFirstech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (5 ratings)](https://appshunter.io/ios/app/ax-dsp-xl/id1495854432/reviews) | **[4.0 (8 ratings)](https://appshunter.io/ios/app/myfirstech/id1562186876/reviews)** |
| Number of ratings | 5 | **8** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 10 MB | 84 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Metra Electronics Corp.](https://appshunter.io/developer/1133973919) | [Firstech, LLC](https://appshunter.io/developer/380549036) |

## What reviewers say

### 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


### myFirstech

[App page](https://appshunter.io/ios/app/myfirstech/id1562186876)

This app provides authorized dealers with essential tools for vehicle installation, including wiring diagrams, product guides, and compatibility charts. It also facilitates DroneMobile activation and subscription purchases, along with access to a rewards program.

**Highlights:** Vehicle wiring diagrams, Product installation guides, Vehicle-specific walkthroughs, T-harness compatibility charts, DroneMobile activation, DroneMobile subscription purchase

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AX free?

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

### Is myFirstech free?

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

### Which has better reviews, AX or myFirstech?

myFirstech is rated higher. AX averages 2.2 out of 5 from 5 ratings, while myFirstech averages 4.0 from 8 ratings.

### Do AX or myFirstech have ads?

Neither AX nor myFirstech shows ads.

### Which is updated more often, AX or myFirstech?

AX ships an update every 2 months, and myFirstech every 6 weeks. Most recently, AX was updated on September 7, 2026 and myFirstech on September 15, 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.*