# GRM studio vs BLEASS Multiband Compressor

The clearest difference is review sentiment: GRM studio at 100% against BLEASS Multiband Compressor's 33%. GRM studio also leads on price (Free vs $7.99) and update cadence (weekly vs every 8 months). BLEASS Multiband Compressor's advantage is rating (4.7 vs 4.0) and ratings volume (13 vs 1). On ads, in-app purchases and device support there is nothing between them.

GRM studio is free to download; BLEASS Multiband Compressor costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BLEASS Multiband Compressor holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: BLEASS Multiband Compressor has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of GRM studio's written reviews are positive against 33% of BLEASS Multiband Compressor's, so the app with the better star average is not the one people write more warmly about.

GRM studio ships an update weekly, BLEASS Multiband Compressor every 8 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | GRM studio | BLEASS Multiband Compressor |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/grm-studio/id1448936613/reviews) | **[4.7 (13 ratings)](https://appshunter.io/ios/app/bleass-multiband-compressor/id6478235964/reviews)** |
| Number of ratings | 1 | **13** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 months |
| Monetization | **Free** | Paid |
| Size | 35 MB | 25 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Institut National de l'Audiovisuel](https://appshunter.io/developer/480730772) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### GRM studio

[App page](https://appshunter.io/ios/app/grm-studio/id1448936613)

This music creation app offers advanced sound manipulation tools for musicians and sound designers. Explore and edit audio files through direct waveform manipulation and multiple playback processes.

**Highlights:** Real-time sound transformation simulation, Direct waveform exploration, Virtual editing and montage, Multiple playback processes, Granular synthesis

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### BLEASS Multiband Compressor

[App page](https://appshunter.io/ios/app/bleass-multiband-compressor/id6478235964)

This audio processing tool offers precise control over music dynamics by separating audio into three frequency bands. It features a dual-stage processor for compression or expansion in each band, along with a flexible sidechain system for creative effects and corrective work. Achieve professional loudness and punch in your mixes.

**Highlights:** Multiband processing (3 bands), Dual-stage dynamics processor per band, Compressor and expander modes, Flexible sidechain system, Soft clipping for saturation, Dry/wet balance control

**In-app purchases:** none


## Frequently asked questions

### Is GRM studio free?

GRM studio is free to download, with no in-app purchases.

### Is BLEASS Multiband Compressor free?

BLEASS Multiband Compressor costs $7.99, with no in-app purchases.

### Which has better reviews, GRM studio or BLEASS Multiband Compressor?

BLEASS Multiband Compressor is rated higher. GRM studio averages 4.0 out of 5 from 1 ratings, while BLEASS Multiband Compressor averages 4.7 from 13 ratings.

### Do GRM studio or BLEASS Multiband Compressor have ads?

Neither GRM studio nor BLEASS Multiband Compressor shows ads.

### Which is updated more often, GRM studio or BLEASS Multiband Compressor?

GRM studio ships an update weekly, and BLEASS Multiband Compressor every 8 months. Most recently, GRM studio was updated on October 2, 2026 and BLEASS Multiband Compressor on September 30, 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.*