Comparison

DSI vs Bass Enhancer

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

Bass Enhancer

Enhance your audio with a dedicated tool for generating lower, deeper bass frequencies through harmonic saturation. This plugin offers detailed control over harmonic balance and frequency processing, allowing for precise sound shaping. It's designed to add richness and impact to dull-sounding bass tracks.

Highlights
  • Harmonic saturation for deeper bass
  • Control over odd/even harmonics
  • Adjustable frequency processing start point
  • Input and output level monitoring
  • Mix control for enhancement amount
  • Bypass for A/B comparison
  • Scalable GUI
Read full description

Bass Enhancer AUv3 plug-in — comes as time-limited Demo-version for you to try. It gives you 5 minutes of Free play time. (You can reload the Bass Enhancer AUv3 plug-in as many times as you want, thereby you get the Demo period again and again.) Unlimited version of Bass Enhancer AUv3 plug-in comes as In-App Purchase. Does your bass sound dull and lifeless? Red Rock Sound Bass Enhancer will be your choice to correct this deficiency. Bass Enhancer designed for saturation harmonics of low-frequency, it creates the effect of lower, deeper frequencies. This effect can not be created with simple equalization. Features: • ON switch — allows the user to bypass the Bass Enhancer for before/after comparisons; • LEVEL — control knob for the Level of the Input Signal; • INPUT meter — lets You monitor the output level before Bass Enhancer processing; • TIMBRE — sets the balance between Odd and Even harmonics; • FREQ — this knob simply controls where the process begins in frequency domain (for example, with a setting of 85 Hz, all frequencies below 85 Hz will have Harmonics generated by the system); • LISTEN — mute the Mix signal and Listen to the Bass signal created by Bass Enhancer; • MIX — sets the amount of Bass Enhancer enhancement added to the original signal; • H.meter — the Level meter for the Harmonics that are created; • OUTPUT meter — lets You monitor the output level after Bass Enhancer processing; • Undo/Redo; • A/B comparison; • 2x/4x/8x Upsampling; • Macro controllers; • Built-in Gain Match; • Scalable GUI. To use Bass Enhancer as a plug-in, you need an AUv3-compatible host app like GarageBand, Auria, AUM, Cubasis and more — Bass Enhancer will appear in the list of Audio Unit extensions for effect plug-ins in the host app.

Screenshots

DSI4 screens
Bass Enhancer4 screens

Verdict

The call

The clearest difference is rating: Bass Enhancer at 4.5 against DSI's 3.8. Bass Enhancer also leads on review sentiment (89% vs 57%) and update cadence (every 3 weeks vs every 7 months). DSI's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 10.0). On price, ads 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. Bass Enhancer sells 1 one-off in-app purchase. DSI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bass Enhancer holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 8 and 37 respectively. Written reviews point the same way: 57% of DSI's written reviews are positive against 89% of Bass Enhancer's.

UpkeepUpdate frequency

DSI ships an update every 7 months, Bass Enhancer every 3 weeks. Both last shipped on October 24, 2026.

Scorecard7 real differences · 3 level
DSI versus Bass Enhancer: the parameters behind the verdict, then further details
ParameterDSIBass Enhancer
PriceFreeFree
Rating3.8 (8 ratings)4.5 (37 ratings) — better
Positive reviews57.1% of reviews88.9% of reviews — better
Number of ratings837 — better
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better10.0
Further details — not scored
Size38 MB16 MB
Age rating4+4+
DeveloperDD AudioRRS, OOO

Customer experience

DSI

All ratings8 ratings
Positive62.5%
Neutral12.5%
Negative25.0%
Written reviews7 reviews
Positive57.1%
Neutral14.3%
Negative28.6%

Bass Enhancer

All ratings37 ratings
Positive89.2%
Neutral2.7%
Negative8.1%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

None

DSI

No in-app purchases

1 purchases

Bass Enhancer

One-time1
  • RRS Bass Enhancer Unlimited$4.99

Questions

Is DSI free?
DSI is free to download, with no in-app purchases.
Is Bass Enhancer free?
Bass Enhancer is free to download, with in-app purchases available.
Which has better reviews, DSI or Bass Enhancer?
Bass Enhancer is rated higher. DSI averages 3.8 out of 5 from 8 ratings, while Bass Enhancer averages 4.5 from 37 ratings.
Do DSI or Bass Enhancer have ads?
Neither DSI nor Bass Enhancer shows ads.
Which is updated more often, DSI or Bass Enhancer?
DSI ships an update every 7 months, and Bass Enhancer every 3 weeks. Most recently, DSI was updated on October 24, 2026 and Bass Enhancer on October 24, 2026.

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