# GRM studio vs BLEASS Spectral Resonator

The clearest difference is price: GRM studio at Free against BLEASS Spectral Resonator's $19.99. GRM studio also leads on iOS requirement (9.3 vs 12.0). BLEASS Spectral Resonator's advantage is rating (5.0 vs 4.0) and ratings volume (4 vs 1). On ads, in-app purchases and device support there is nothing between them.

GRM studio is free to download; BLEASS Spectral Resonator costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BLEASS Spectral Resonator holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

## The numbers

| Metric | GRM studio | BLEASS Spectral Resonator |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/grm-studio/id1448936613/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/bleass-spectral-resonator/id6763301205/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | **Free** | Paid |
| Size | 35 MB | 24 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 Spectral Resonator

[App page](https://appshunter.io/ios/app/bleass-spectral-resonator/id6763301205)

Transform audio by manipulating its frequency content to create unique spectral textures and resonances. Generate complex harmonic sounds from internal tone generators or MIDI input, with deep control over pitch, timbre, and spectral filtering.

**Highlights:** Spectral domain audio conversion, Frequency shifting, blurring, and filtering, Internal tone generator and MIDI input, Up to eight voices of polyphony, Detailed control over resonance parameters, Interactive 3D spectrogram visualization, Freeze and Kill controls

**In-app purchases:** none


## Frequently asked questions

### Is GRM studio free?

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

### Is BLEASS Spectral Resonator free?

BLEASS Spectral Resonator costs $19.99, with no in-app purchases.

### Which has better reviews, GRM studio or BLEASS Spectral Resonator?

BLEASS Spectral Resonator is rated higher. GRM studio averages 4.0 out of 5 from 1 ratings, while BLEASS Spectral Resonator averages 5.0 from 4 ratings.

### Do GRM studio or BLEASS Spectral Resonator have ads?

Neither GRM studio nor BLEASS Spectral Resonator shows ads.

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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.*