# AX vs DirectLoader

The clearest difference is review sentiment: DirectLoader at 50% against AX's 0%. DirectLoader also leads on rating (3.4 vs 2.2). AX's advantage is iOS requirement (12.1 vs 15.6). 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.

DirectLoader holds the better App Store score, 3.4 against 2.2. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 0% of AX's written reviews are positive against 50% of DirectLoader's.

AX ships an update every 2 months, DirectLoader every 3 months. The most recent releases landed on September 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | AX | DirectLoader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (5 ratings)](https://appshunter.io/ios/app/ax-dsp-xl/id1495854432/reviews) | **[3.4 (5 ratings)](https://appshunter.io/ios/app/directloader/id6449791353/reviews)** |
| Number of ratings | 5 | 5 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 10 MB | 23 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Metra Electronics Corp.](https://appshunter.io/developer/1133973919) | [VOXX Electronics Corp](https://appshunter.io/developer/1022024144) |

## 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


### DirectLoader

[App page](https://appshunter.io/ios/app/directloader/id6449791353)

This app allows authorized installers to wirelessly flash and program select remote start and security systems. It provides access to vehicle wiring databases, installation guides, and technical updates for DIRECTED by VOXX products.

**Highlights:** Wireless flashing for DS4/DS4+ modules, Wired/Wireless flashing for DBALL2, DB3, DS3/DS3+ modules, Wired/Wireless 'Bitwriter' programming, DirectWire vehicle wiring database access, Installation guides and technical news, SmartStart activation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AX free?

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

### Is DirectLoader free?

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

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

DirectLoader is rated higher. AX averages 2.2 out of 5 from 5 ratings, while DirectLoader averages 3.4 from 5 ratings.

### Do AX or DirectLoader have ads?

Neither AX nor DirectLoader shows ads.

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

AX ships an update every 2 months, and DirectLoader every 3 months. Most recently, AX was updated on September 7, 2026 and DirectLoader on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*