# EQ550 vs Fair Limiter

EQ550 and Fair Limiter both sit at 4.5 stars, but that hides the real split: 50% of Fair Limiter's written reviews are positive against 33% of EQ550's. EQ550's advantage is iOS requirement (10.0 vs 14.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. EQ550 sells 1 one-off in-app purchase and Fair Limiter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for EQ550 against 4.4 for Fair Limiter. Both are backed by a comparable volume of ratings — 11 and 8 respectively. Written reviews are what separate them: 33% of EQ550's written reviews are positive against 50% of Fair Limiter's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | EQ550 | Fair Limiter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/eq550/id1507132030/reviews)** | [4.4 (8 ratings)](https://appshunter.io/ios/app/fair-limiter/id6503627515/reviews) |
| Number of ratings | **11** | 8 |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 32 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [RRS, OOO](https://appshunter.io/developer/1486125568) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### EQ550

[App page](https://appshunter.io/ios/app/eq550/id1507132030)

This audio effect plugin emulates classic American EQs from the late 1960s, offering precise control over equalization with unique Proportional Q technology. It functions as a standalone app or an AUv3 plugin for compatible hosts, providing a flexible and characterful sound shaping experience.

**Highlights:** Standalone and AUv3 plugin, 3 bands of classic American equalization, Proportional Q filter bandwidth, Stereo, Mid, or Side EQ modes, Undo/Redo and A/B comparison, Scalable GUI

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS EQ550 Unlimited | $4.99 | one-time |


### Fair Limiter

[App page](https://appshunter.io/ios/app/fair-limiter/id6503627515)

This audio unit plugin emulates the classic Fairchild 670 tube compressor and limiter, offering its renowned sonic character. It provides comprehensive controls, including sidechain filters and boost, for detailed audio shaping. A free version is available for testing, with a one-time purchase to remove limitations.

**Highlights:** AUv3 plugin for DAWs, Fairchild 670 emulation, Sidechain filters and boost, Variable-Mu compression, Stereo or Mid/Side setup, 6386 tube simulation

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fair Limiter Activation | $11.99 | one-time |


## Frequently asked questions

### Is EQ550 free?

EQ550 is free to download, with in-app purchases available.

### Is Fair Limiter free?

Fair Limiter is free to download, with in-app purchases available.

### Which has better reviews, EQ550 or Fair Limiter?

EQ550 is rated higher. EQ550 averages 4.5 out of 5 from 11 ratings, while Fair Limiter averages 4.4 from 8 ratings.

### Do EQ550 or Fair Limiter have ads?

Neither EQ550 nor Fair Limiter shows ads.

### Which is updated more often, EQ550 or Fair Limiter?

EQ550 ships an update monthly, and Fair Limiter monthly. Most recently, EQ550 was updated on November 3, 2026 and Fair Limiter on October 30, 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.*