# Comp 609 vs Vocal Tune PRO

The clearest difference is price: Comp 609 at Free against Vocal Tune PRO's $7.99. Comp 609 also leads on rating (4.8 vs 4.0) and review sentiment (88% vs 60%). Vocal Tune PRO's advantage is update cadence (every 3 weeks vs every 7 months) and chart position (#152 vs unranked). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Comp 609 is free to download; Vocal Tune PRO costs $7.99 up front. Comp 609 sells 1 one-off in-app purchase and Vocal Tune PRO sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Comp 609 holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 25 and 25 respectively. Written reviews point the same way: 88% of Comp 609's written reviews are positive against 60% of Vocal Tune PRO's.

Comp 609 ships an update every 7 months, Vocal Tune PRO every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Comp 609 | Vocal Tune PRO |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/comp-609/id1514569444/reviews)** | [4.0 (25 ratings)](https://appshunter.io/ios/app/vocal-tune-pro/id1660442751/reviews) |
| Number of ratings | 25 | 25 |
| Positive reviews | **87.5% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#152** |
| Size | 21 MB | 12 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RRS, OOO](https://appshunter.io/developer/1486125568) | [Davy Wentzler](https://appshunter.io/developer/1094758622) |

## 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 |


### Vocal Tune PRO

[App page](https://appshunter.io/ios/app/vocal-tune-pro/id1660442751)

**Currently charting:** #152 Top Paid · Music (US App Store)

This app offers real-time pitch correction for vocals and monophonic audio. It allows for natural or robotic tuning effects and includes artificial vibrato. It can be used as a plugin in DAWs or in standalone mode.

**Highlights:** Real-time pitch correction, Auto tune vocals, Adjustable retune amount and speed, Artificial vibrato effects, AUv3 plugin support, Standalone mode operation

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starts trial in old v1 version | Free | one-time |
| Unlocks old v1 version | $6.99 | one-time |


## Frequently asked questions

### Is Comp 609 free?

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

### Is Vocal Tune PRO free?

Vocal Tune PRO costs $7.99, and also offers in-app purchases.

### Which has better reviews, Comp 609 or Vocal Tune PRO?

Comp 609 is rated higher. Comp 609 averages 4.8 out of 5 from 25 ratings, while Vocal Tune PRO averages 4.0 from 25 ratings.

### Do Comp 609 or Vocal Tune PRO have ads?

Neither Comp 609 nor Vocal Tune PRO shows ads.

### Which is updated more often, Comp 609 or Vocal Tune PRO?

Comp 609 ships an update every 7 months, and Vocal Tune PRO every 3 weeks. Most recently, Comp 609 was updated on October 24, 2026 and Vocal Tune PRO on October 27, 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.*