# Comp 609 vs Zen AutoPan

The clearest difference is in-app purchases: Zen AutoPan at none against Comp 609's 1. Comp 609's advantage is iOS requirement (10.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Comp 609 sells 1 one-off in-app purchase. Zen AutoPan 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 14 respectively. Written reviews point the same way: 88% of Comp 609's written reviews are positive against 80% of Zen AutoPan's.

Comp 609 ships an update every 7 months, Zen AutoPan every 13 months. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Comp 609 | Zen AutoPan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/comp-609/id1514569444/reviews)** | [4.6 (14 ratings)](https://appshunter.io/ios/app/zen-autopan/id6478596185/reviews) |
| Number of ratings | **25** | 14 |
| Positive reviews | **87.5% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 13 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 15 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RRS, OOO](https://appshunter.io/developer/1486125568) | [Tom Power](https://appshunter.io/developer/1629402664) |

## 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 |


### Zen AutoPan

[App page](https://appshunter.io/ios/app/zen-autopan/id6478596185)

This AUv3 stereo movement tool offers dynamic panning effects for music production and sound design. Sculpt your audio with multiple LFO shapes and an intuitive XY pad for real-time creative control. Seamlessly integrate with compatible DAWs on iOS devices.

**Highlights:** Multiple LFO Shapes, Intuitive XY Pad, Adjustable Stereo Width, AUv3 Compatibility, Optimized for iOS, 3D Visuals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comp 609 free?

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

### Is Zen AutoPan free?

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

### Which has better reviews, Comp 609 or Zen AutoPan?

Comp 609 is rated higher. Comp 609 averages 4.8 out of 5 from 25 ratings, while Zen AutoPan averages 4.6 from 14 ratings.

### Do Comp 609 or Zen AutoPan have ads?

Neither Comp 609 nor Zen AutoPan shows ads.

### Which is updated more often, Comp 609 or Zen AutoPan?

Comp 609 ships an update every 7 months, and Zen AutoPan every 13 months. Most recently, Comp 609 was updated on September 12, 2026 and Zen AutoPan on September 9, 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.*