# Spring Reverb vs RRS Passive EQ Collection

The clearest difference is review sentiment: RRS Passive EQ Collection at 100% against Spring Reverb's 54%. RRS Passive EQ Collection also leads on price (Free vs $14.99) and rating (4.8 vs 3.9). Spring Reverb's advantage is in-app purchases (none vs 1). On ratings volume, ads, device support and iOS requirement there is nothing between them.

RRS Passive EQ Collection is free to download; Spring Reverb costs $14.99 up front. RRS Passive EQ Collection sells 1 one-off in-app purchase. Spring Reverb asks for nothing beyond the download.

RRS Passive EQ Collection holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 13 and 16 respectively. Written reviews point the same way: 54% of Spring Reverb's written reviews are positive against 100% of RRS Passive EQ Collection's.

Spring Reverb ships an update every 13 months, RRS Passive EQ Collection every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Spring Reverb | RRS Passive EQ Collection |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [3.9 (13 ratings)](https://appshunter.io/ios/app/spring-reverb/id1480037666/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/rrs-passive-eq-collection/id1584945520/reviews)** |
| Number of ratings | 13 | **16** |
| Positive reviews | 53.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 22 MB | 22 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eventide](https://appshunter.io/developer/546518026) | [RRS, OOO](https://appshunter.io/developer/1486125568) |

## What reviewers say

### Spring Reverb

[App page](https://appshunter.io/ios/app/spring-reverb/id1480037666)

This app emulates the sound of vintage spring reverbs found in guitar amplifiers, offering unique sonic possibilities beyond traditional hardware. It allows for detailed manipulation of physical parameters, creating both authentic and experimental reverb effects for various instruments.

**Highlights:** Emulates popular spring reverb sounds, Manipulate physical spring parameters, Morph between different spring configurations, Tempo-synced reverb decay, Tube-amp style tremolo (pre/post reverb), Modulation for chorus-like effects, Dynamic control with The Ribbon

**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 Spring Reverb free?

Spring Reverb costs $14.99, 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, Spring Reverb or RRS Passive EQ Collection?

RRS Passive EQ Collection is rated higher. Spring Reverb averages 3.9 out of 5 from 13 ratings, while RRS Passive EQ Collection averages 4.8 from 16 ratings.

### Do Spring Reverb or RRS Passive EQ Collection have ads?

Neither Spring Reverb nor RRS Passive EQ Collection shows ads.

### Which is updated more often, Spring Reverb or RRS Passive EQ Collection?

Spring Reverb ships an update every 13 months, and RRS Passive EQ Collection every 2 months. Most recently, Spring Reverb was updated on November 3, 2026 and RRS Passive EQ Collection on November 3, 2026.

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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.*