# Car Audio vs DSI

The clearest difference is in-app purchases: DSI at none against Car Audio's 2. DSI also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.6). Car Audio's advantage is review sentiment (76% vs 57%) and rating (4.0 vs 3.8). On price, ratings volume and device support there is nothing between them.

Both are free to download. Car Audio sells 2 in-app purchases, starting at $1.49 per month. DSI asks for nothing beyond the download.

Car Audio holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 8 respectively. Written reviews point the same way: 76% of Car Audio's written reviews are positive against 57% of DSI's.

Car Audio ships an update every 2 months, DSI every 7 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Car Audio | DSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/car-audio/id1011824786/reviews)** | [3.8 (8 ratings)](https://appshunter.io/ios/app/dsi-2/id1379793450/reviews) |
| Number of ratings | 4 | **8** |
| Positive reviews | **75.9% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 38 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Yamaguchi](https://appshunter.io/developer/807002600) | [DD Audio](https://appshunter.io/developer/599474306) |

## What reviewers say

### Car Audio

[App page](https://appshunter.io/ios/app/car-audio/id1011824786)

A music player designed for in-car use, featuring a landscape interface and simplified controls. It prioritizes ease of use while driving, with integrated map display for navigation.

**Highlights:** Landscape mode playback, Optimized for car use, Easy-to-use interface, Integrated map display, Music playback

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.49 | per month |
| Ad-Free | $9.99 | one-time |


### DSI

[App page](https://appshunter.io/ios/app/dsi-2/id1379793450)

This app provides comprehensive tools to fine-tune your car audio system with a digital signal processor. It offers a straightforward interface for adjusting equalization, phase, crossover, and time alignment for optimal sound.

**Highlights:** Bluetooth 4.0 compatible, 6 customizable presets, 10-band parametric EQ per channel, Phase correction, Crossover adjustments, Time alignment, Input summing and linking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Car Audio free?

Car Audio is free to download, with in-app purchases available.

### Is DSI free?

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

### Which has better reviews, Car Audio or DSI?

Car Audio is rated higher. Car Audio averages 4.0 out of 5 from 4 ratings, while DSI averages 3.8 from 8 ratings.

### Do Car Audio or DSI have ads?

Car Audio shows ads; DSI does not.

### Which is updated more often, Car Audio or DSI?

Car Audio ships an update every 2 months, and DSI every 7 months. Most recently, Car Audio was updated on October 24, 2026 and DSI on October 24, 2026.

---

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