# Memphis True DSP vs DSI

The clearest difference is iOS requirement: Memphis True DSP at 9.0 against DSI's 13. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Memphis True DSP | DSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dsi-x2/id6751246225/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | — | Free |
| Size | 9 MB | 40 MB |
| Requires iOS | **9.0** | 13 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [AFCO INC](https://appshunter.io/developer/1059278320) | [DD Audio](https://appshunter.io/developer/599474306) |

## What reviewers say

### Memphis True DSP

[App page](https://appshunter.io/ios/app/memphis-true-dsp/id1589732095)

**Features:** macOS Compatibility

**In-app purchases:** none


### DSI

[App page](https://appshunter.io/ios/app/dsi-x2/id6751246225)

Fine-tune your car audio system with this app, offering comprehensive control over equalization, phase, crossovers, and time alignment. Designed for both professionals and enthusiasts, it unlocks the full potential of your audio equipment through an intuitive interface.

**Highlights:** 6 Customizable Presets, 15 band Parametric Equalizer, Phase Correction, Crossover Adjustments, Automatic Time Alignment, Intuitive Input Mixing

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

**In-app purchases:** none


## Frequently asked questions

### Is Memphis True DSP free?

Memphis True DSP is free to download, with no in-app purchases.

### Is DSI free?

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

### Do Memphis True DSP or DSI have ads?

Neither Memphis True DSP nor DSI shows ads.

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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.*