# DSP vs RRS Passive EQ Collection

The clearest difference is rating: RRS Passive EQ Collection at 4.8 against DSP's 3.0. RRS Passive EQ Collection also leads on ratings volume (16 vs 2). DSP's advantage is in-app purchases (none vs 1) and iOS requirement (7.0 vs 10.0). On price, ads and device support there is nothing between them.

Both are free to download. RRS Passive EQ Collection sells 1 one-off in-app purchase. DSP asks for nothing beyond the download.

RRS Passive EQ Collection holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: RRS Passive EQ Collection has 16 ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | DSP | RRS Passive EQ Collection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/dsp-amp/id1123293729/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/rrs-passive-eq-collection/id1584945520/reviews)** |
| Number of ratings | 2 | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 22 MB |
| Requires iOS | **7.0** | 10.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DISTAR INTERNATIONAL COMPANY LIMITED](https://appshunter.io/developer/1123293728) | [RRS, OOO](https://appshunter.io/developer/1486125568) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp-amp/id1123293729)

Control your car amplifier's integrated DSP settings, including EQ, bass, and 3D sound, directly from your iPhone. Save and load custom sound profiles to your phone or the amplifier for personalized audio experiences.

**Highlights:** EQ adjustment, Bass control, 3D sound effects, Time alignment, Phase control, Save sound settings to phone, Save sound settings to amplifier

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

**In-app purchases:** none


### RRS Passive EQ Collection

[App page](https://appshunter.io/ios/app/rrs-passive-eq-collection/id1584945520)

This app offers a collection of vintage-inspired equalizers, combining three classic models into a single, full-featured audio plugin. It provides detailed control over tone shaping for music production and mixing. A demo version is available with limited playtime.

**Highlights:** Combines EQP-1A, MEQ-5, and HLF-3C equalizers, Standalone and AUv3 plugin support, Modeled vintage analog saturation, Undo/Redo functionality, A/B comparison, Macro controllers, Built-in Gain Match

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS Passive EQ Collection Full | $8.99 | one-time |


## Frequently asked questions

### Is DSP free?

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

### Is RRS Passive EQ Collection free?

RRS Passive EQ Collection is free to download, with in-app purchases available.

### Which has better reviews, DSP or RRS Passive EQ Collection?

RRS Passive EQ Collection is rated higher. DSP averages 3.0 out of 5 from 2 ratings, while RRS Passive EQ Collection averages 4.8 from 16 ratings.

### Do DSP or RRS Passive EQ Collection have ads?

Neither DSP nor RRS Passive EQ Collection 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.*