# Flashtech ColorFuse vs DSI

The clearest difference is rating: Flashtech ColorFuse at 4.4 against DSI's 3.0. DSI's advantage is update cadence (every 2 months vs every 36 months) and iOS requirement (9.0 vs 11.0). 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.

Flashtech ColorFuse holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Flashtech ColorFuse ships an update every 36 months, DSI every 2 months. The most recent releases landed on June 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Flashtech ColorFuse | DSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/flashtech-colorfuse/id1295488770/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/dsi-3/id1544985377/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 16 MB | 12 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Gordan](https://appshunter.io/developer/1295488769) | [DD Audio](https://appshunter.io/developer/599474306) |

## What reviewers say

### Flashtech ColorFuse

[App page](https://appshunter.io/ios/app/flashtech-colorfuse/id1295488770)

Control advanced LED lighting systems with this app. Features include camera color matching, custom sequence creation, music synchronization, and multi-zone control. Requires Bluetooth 4.0 or higher.

**Highlights:** Camera color match, Custom sequence creation, Multiple music functions, Control multiple lighting zones, Bluetooth 4.0+ support

**Features:** macOS Compatibility

**In-app purchases:** none


### DSI

[App page](https://appshunter.io/ios/app/dsi-3/id1544985377)

This application allows users to fine-tune their car audio systems using a digital signal processor. It offers comprehensive controls for equalization, crossovers, time alignment, and more, suitable for both professionals and enthusiasts.

**Highlights:** Bluetooth 5.0 connectivity, 6 customizable presets, 31-band parametric EQ per channel, Phase correction, Crossover adjustments, Input/output level controls, Time alignment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flashtech ColorFuse free?

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

### Is DSI free?

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

### Which has better reviews, Flashtech ColorFuse or DSI?

Flashtech ColorFuse is rated higher. Flashtech ColorFuse averages 4.4 out of 5 from 5 ratings, while DSI averages 3.0 from 2 ratings.

### Do Flashtech ColorFuse or DSI have ads?

Neither Flashtech ColorFuse nor DSI shows ads.

### Which is updated more often, Flashtech ColorFuse or DSI?

Flashtech ColorFuse ships an update every 36 months, and DSI every 2 months. Most recently, Flashtech ColorFuse was updated on June 11, 2026 and DSI on September 9, 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.*