# FabFilter Pro vs EQ550

The clearest difference is price: EQ550 at Free against FabFilter Pro's $29.99. EQ550 also leads on update cadence (monthly vs every 5 months) and device support (3 vs 1). FabFilter Pro's advantage is review sentiment (78% vs 33%) and in-app purchases (none vs 1). On ads there is nothing between them.

EQ550 is free to download; FabFilter Pro costs $29.99 up front. EQ550 sells 1 one-off in-app purchase. FabFilter Pro asks for nothing beyond the download.

FabFilter Pro holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 47 and 11 respectively. Written reviews point the same way: 78% of FabFilter Pro's written reviews are positive against 33% of EQ550's.

FabFilter Pro ships an update every 5 months, EQ550 monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | FabFilter Pro | EQ550 |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | **[4.7 (47 ratings)](https://appshunter.io/ios/app/fabfilter-pro-q-3/id1469019469/reviews)** | [4.5 (11 ratings)](https://appshunter.io/ios/app/eq550/id1507132030/reviews) |
| Number of ratings | **47** | 11 |
| Positive reviews | **77.8% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 5 MB | 20 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FabFilter](https://appshunter.io/developer/421796789) | [RRS, OOO](https://appshunter.io/developer/1486125568) |

## What reviewers say

### FabFilter Pro

[App page](https://appshunter.io/ios/app/fabfilter-pro-q-3/id1469019469)

This professional audio plug-in offers a high-quality equalizer with up to 24 bands, featuring dynamic EQ, linear phase processing, and an intuitive interface. It allows for precise sound shaping with advanced features like spectrum analysis and EQ matching.

**Highlights:** Up to 24 bands with diverse filter types, Dynamic EQ for every band, Natural Phase and Linear Phase processing, Real-time spectrum analyzer with collision detection, Spectrum Grab for direct adjustment, EQ Match for tonal characteristic transfer, Per-band stereo, left, right, mid, or side mode

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is FabFilter Pro free?

FabFilter Pro costs $29.99, with no in-app purchases.

### Is EQ550 free?

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

### Which has better reviews, FabFilter Pro or EQ550?

FabFilter Pro is rated higher. FabFilter Pro averages 4.7 out of 5 from 47 ratings, while EQ550 averages 4.5 from 11 ratings.

### Do FabFilter Pro or EQ550 have ads?

Neither FabFilter Pro nor EQ550 shows ads.

### Which is updated more often, FabFilter Pro or EQ550?

FabFilter Pro ships an update every 5 months, and EQ550 monthly. Most recently, FabFilter Pro was updated on November 3, 2026 and EQ550 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.*