# EQ550 vs YPA Control

The clearest difference is in-app purchases: YPA Control at none against EQ550's 1. EQ550's advantage is iOS requirement (10.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. EQ550 sells 1 one-off in-app purchase. YPA Control asks for nothing beyond the download.

## The numbers

| Metric | EQ550 | YPA Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/eq550/id1507132030/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 17 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [RRS, OOO](https://appshunter.io/developer/1486125568) | [YPA MICROPHONES INC](https://appshunter.io/developer/1846286914) |

## 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 |


### YPA Control

[App page](https://appshunter.io/ios/app/ypa-control/id6805096521)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EQ550 free?

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

### Is YPA Control free?

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

### Do EQ550 or YPA Control have ads?

Neither EQ550 nor YPA Control 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.*