# Comp 609 vs TB GonioMeter

The clearest difference is in-app purchases: TB GonioMeter at none against Comp 609's 1. TB GonioMeter also leads on update cadence (every 2 months vs every 7 months) and review sentiment (100% vs 88%). Comp 609's advantage is rating (4.8 vs 4.6) and iOS requirement (10.0 vs 13.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Comp 609 sells 1 one-off in-app purchase. TB GonioMeter asks for nothing beyond the download.

Comp 609 holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 25 and 23 respectively. Written reviews complicate that: 88% of Comp 609's written reviews are positive against 100% of TB GonioMeter's, so the app with the better star average is not the one people write more warmly about.

Comp 609 ships an update every 7 months, TB GonioMeter every 2 months. The most recent releases landed on September 12, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Comp 609 | TB GonioMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/comp-609/id1514569444/reviews)** | [4.6 (23 ratings)](https://appshunter.io/ios/app/tb-goniometer/id6444903624/reviews) |
| Number of ratings | **25** | 23 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 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

### Comp 609

[App page](https://appshunter.io/ios/app/comp-609/id1514569444)

This audio effect plugin emulates analog compressors, offering extensive control over attack, release, ratio, and saturation. It supports various operation modes, external sidechaining, and parallel compression for detailed audio shaping. A demo version is available with a time limit.

**Highlights:** Analog compressor emulation, Adjustable attack, release, and ratio, External sidechain with high-pass filter, Multiple operation modes (M/S, Stereo, Mono), Parallel compression, Oversampling and 64-bit processing, Scalable GUI

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS Comp 609 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 Comp 609 free?

Comp 609 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, Comp 609 or TB GonioMeter?

Comp 609 is rated higher. Comp 609 averages 4.8 out of 5 from 25 ratings, while TB GonioMeter averages 4.6 from 23 ratings.

### Do Comp 609 or TB GonioMeter have ads?

Neither Comp 609 nor TB GonioMeter shows ads.

### Which is updated more often, Comp 609 or TB GonioMeter?

Comp 609 ships an update every 7 months, and TB GonioMeter every 2 months. Most recently, Comp 609 was updated on September 12, 2026 and TB GonioMeter on September 8, 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.*