Comparison

DSI vs Sound Control DSP

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DSI

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
Read full description

The DSI-2 app is designed for use with the DD Audio DSI-2 digital signal processor, this app gives you the tools needed to fine tune virtually every aspect of you car audio system. Whether you’re a professional installer or an obsessive audiophile this app allows you to realize the true potential of your audio equipment with a straightforward layout and logical controls. Features: - Bluetooth 4.0 compatible - 6 customizable presets - 10 bands of parametric equalization per channel - Phase correction - Crossover type, frequency, and slope adjustments - Independent input and output level controls - Time alignment - Input summing and linking

About

Sound Control DSP

Features
Read full description

Sound Control APP controls the DSP parameters of the speaker via Bluetooth. feature: 1. Adjust the frequency, gain, q factor, filter type and other parameters of eq; 2. Adjust the input gain, Mute; 3. Save the current preset to the device or locally, and load the preset. 4. Restore factory settings with one click.

Screenshots

DSI4 screens
Sound Control DSP2 screens

Verdict

The call

The clearest difference is update cadence: Sound Control DSP at every 2 months against DSI's every 7 months. DSI's advantage is iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

DSI ships an update every 7 months, Sound Control DSP every 2 months. The most recent releases landed on September 15, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
DSI versus Sound Control DSP: the parameters behind the verdict, then further details
ParameterDSISound Control DSP
PriceFreeFree
Rating3.8 (8 ratings) — better—
Positive reviews57.1% of reviews—
Number of ratings8 — better—
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better11.0
Further details — not scored
Size38 MB5 MB
Age rating4+4+
DeveloperDD AudioSEIKAKU

In-app purchases

None

DSI

No in-app purchases

None

Sound Control DSP

No in-app purchases

Questions

Is DSI free?
DSI is free to download, with no in-app purchases.
Is Sound Control DSP free?
Sound Control DSP is free to download, with no in-app purchases.
Do DSI or Sound Control DSP have ads?
Neither DSI nor Sound Control DSP shows ads.
Which is updated more often, DSI or Sound Control DSP?
DSI ships an update every 7 months, and Sound Control DSP every 2 months. Most recently, DSI was updated on September 15, 2026 and Sound Control DSP on October 4, 2026.

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