# Comp 609 vs Melo Mixer

The clearest difference is in-app purchases: Melo Mixer at none against Comp 609's 1. Melo Mixer also leads on update cadence (daily vs every 7 months) and review sentiment (100% vs 88%). Comp 609's advantage is ratings volume (25 vs 2) and device support (3 vs 1). On price, rating and ads there is nothing between them.

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

Melo Mixer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Comp 609 has 25 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 88% of Comp 609's written reviews are positive against 100% of Melo Mixer's.

Comp 609 ships an update every 7 months, Melo Mixer daily. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Comp 609 | Melo Mixer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (25 ratings)](https://appshunter.io/ios/app/comp-609/id1514569444/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/melo-mixer/id6736967204/reviews)** |
| Number of ratings | **25** | 2 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 14 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RRS, OOO](https://appshunter.io/developer/1486125568) | [Randy Messo](https://appshunter.io/developer/1774158533) |

## 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 |


### Melo Mixer

[App page](https://appshunter.io/ios/app/melo-mixer/id6736967204)

Record, store, and edit your own music with this voice recording app. It offers live updates during recording, instant playback, and a visual waveform editor for precise audio adjustments. Create and manage your music library with ease.

**Highlights:** Personalized profiles, Import song files, Live recording updates, Instant playback, Persistent music library, Visual waveform editing

**In-app purchases:** none


## Frequently asked questions

### Is Comp 609 free?

Comp 609 is free to download, with in-app purchases available.

### Is Melo Mixer free?

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

### Which has better reviews, Comp 609 or Melo Mixer?

Melo Mixer is rated higher. Comp 609 averages 4.8 out of 5 from 25 ratings, while Melo Mixer averages 5.0 from 2 ratings.

### Do Comp 609 or Melo Mixer have ads?

Neither Comp 609 nor Melo Mixer shows ads.

### Which is updated more often, Comp 609 or Melo Mixer?

Comp 609 ships an update every 7 months, and Melo Mixer daily. Most recently, Comp 609 was updated on October 24, 2026 and Melo Mixer on October 21, 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.*