# EQ550 vs TB GonioMeter

EQ550 and TB GonioMeter both sit at 4.5 stars, but that hides the real split: 100% of TB GonioMeter's written reviews are positive against 33% of EQ550's. TB GonioMeter also leads on in-app purchases (none vs 1). EQ550's advantage is update cadence (monthly vs every 2 months) and iOS requirement (10.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for EQ550 against 4.6 for TB GonioMeter. Both are backed by a comparable volume of ratings — 11 and 22 respectively. Written reviews are what separate them: 33% of EQ550's written reviews are positive against 100% of TB GonioMeter's.

EQ550 ships an update monthly, TB GonioMeter every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | EQ550 | TB GonioMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/eq550/id1507132030/reviews) | **[4.6 (22 ratings)](https://appshunter.io/ios/app/tb-goniometer/id6444903624/reviews)** |
| Number of ratings | 11 | **22** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 11 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RRS, OOO](https://appshunter.io/developer/1486125568) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## 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 |


### TB GonioMeter

[App page](https://appshunter.io/ios/app/tb-goniometer/id6444903624)

Analyze stereo image imbalances and frequency correlations in real-time. Ensure your audio content is high quality and compatible with mono down-mixes, crucial for mobile entertainment. This tool offers detailed waveform inspection and balance spectrum analysis.

**Highlights:** Real-time goniometer for stereo image waveforms, Real-time correlation meter and spectrum, Real-time stereo balance and spectrum meter, Color themes for UI, Mono down-mix compatibility check, Optimized for iPad, compatible with iPhone/iPod Touch

**In-app purchases:** none


## Frequently asked questions

### Is EQ550 free?

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

### Is TB GonioMeter free?

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

### Which has better reviews, EQ550 or TB GonioMeter?

TB GonioMeter is rated higher. EQ550 averages 4.5 out of 5 from 11 ratings, while TB GonioMeter averages 4.6 from 22 ratings.

### Do EQ550 or TB GonioMeter have ads?

Neither EQ550 nor TB GonioMeter shows ads.

### Which is updated more often, EQ550 or TB GonioMeter?

EQ550 ships an update monthly, and TB GonioMeter every 2 months. Most recently, EQ550 was updated on October 24, 2026 and TB GonioMeter on October 24, 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.*