# DSI vs Bass Enhancer

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.

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.

## The numbers

| Metric | DSI | Bass Enhancer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (8 ratings)](https://appshunter.io/ios/app/dsi-2/id1379793450/reviews) | **[4.5 (37 ratings)](https://appshunter.io/ios/app/bass-enhancer/id1508482793/reviews)** |
| Number of ratings | 8 | **37** |
| Positive reviews | 57.1% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 16 MB |
| Requires iOS | **8.0** | 10.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DD Audio](https://appshunter.io/developer/599474306) | [RRS, OOO](https://appshunter.io/developer/1486125568) |

## What reviewers say

### DSI

[App page](https://appshunter.io/ios/app/dsi-2/id1379793450)

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:** macOS Compatibility

**In-app purchases:** none


### Bass Enhancer

[App page](https://appshunter.io/ios/app/bass-enhancer/id1508482793)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS Bass Enhancer Unlimited | $4.99 | one-time |


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*