DSI vs Bass Enhancer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Bluetooth 4.0 compatible
- 6 customizable presets
- 10-band parametric EQ per channel
- Phase correction
- Crossover adjustments
- Time alignment
- Input summing and linking
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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
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.
- 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
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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
Verdict
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
Both are free to download. Bass Enhancer sells 1 one-off in-app purchase. DSI asks for nothing beyond the download.
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.
DSI ships an update every 7 months, Bass Enhancer every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | DSI | Bass Enhancer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (8 ratings) | 4.5 (37 ratings) — better |
| Positive reviews | 57.1% of reviews | 88.9% of reviews — better |
| Number of ratings | 8 | 37 — better |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 10.0 |
| Further details — not scored | ||
| Size | 38 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | DD Audio | RRS, OOO |
Customer experience
DSI
Bass Enhancer
In-app purchases
DSI
No in-app purchases
Bass Enhancer
- RRS Bass Enhancer Unlimited$4.99









