# EQ550 vs mixBase

The clearest difference is rating: mixBase at 5.0 against EQ550's 4.5. mixBase also leads on in-app purchases (none vs 1) and update cadence (every 10 days vs monthly). EQ550's advantage is ratings volume (11 vs 1) and device support (3 vs 1). On price and ads there is nothing between them.

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

mixBase holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: EQ550 has 11 ratings behind it against 1, so its average is the more settled of the two.

EQ550 ships an update monthly, mixBase every 10 days. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | EQ550 | mixBase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/eq550/id1507132030/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mixbase/id6763808906/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 3 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RRS, OOO](https://appshunter.io/developer/1486125568) | [Matt Goldman](https://appshunter.io/developer/1895500639) |

## 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 |


### mixBase

[App page](https://appshunter.io/ios/app/mixbase/id6763808906)

This app provides version control for your music projects, allowing you to track every mix from rough drafts to final masters. Listen to any version, share for feedback with time-stamped comments, and manage your release pipeline. It also offers AI-generated cover art and a community feed.

**Highlights:** Track every mix version, Time-stamped feedback comments, Master loudness checks (LUFS), Release pipeline management, AI-generated cover art, Community feed with artist updates

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

**In-app purchases:** none


## Frequently asked questions

### Is EQ550 free?

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

### Is mixBase free?

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

### Which has better reviews, EQ550 or mixBase?

mixBase is rated higher. EQ550 averages 4.5 out of 5 from 11 ratings, while mixBase averages 5.0 from 1 ratings.

### Do EQ550 or mixBase have ads?

Neither EQ550 nor mixBase shows ads.

### Which is updated more often, EQ550 or mixBase?

EQ550 ships an update monthly, and mixBase every 10 days. Most recently, EQ550 was updated on October 24, 2026 and mixBase on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*