# GRM studio vs BLEASS Motion FX

The clearest difference is price: GRM studio at Free against BLEASS Motion FX's $7.99. GRM studio also leads on update cadence (weekly vs every 54 months) and iOS requirement (9.3 vs 11.0). BLEASS Motion FX's advantage is rating (4.8 vs 4.0) and ratings volume (13 vs 1). On review sentiment, ads, in-app purchases and device support there is nothing between them.

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

BLEASS Motion FX holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: BLEASS Motion FX has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

GRM studio ships an update weekly, BLEASS Motion FX every 54 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GRM studio | BLEASS Motion FX |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/grm-studio/id1448936613/reviews) | **[4.8 (13 ratings)](https://appshunter.io/ios/app/bleass-motion-fx/id1551643475/reviews)** |
| Number of ratings | 1 | **13** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 54 months |
| Monetization | **Free** | Paid |
| Size | 35 MB | 28 MB |
| Requires iOS | **9.3** | 11.0 |
| 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 Motion FX

[App page](https://appshunter.io/ios/app/bleass-motion-fx/id1551643475)

This app provides a creative workflow for sound design with 11 distinct effects. Dynamically modulate these effects using a versatile motion sequencer to explore new sonic territories. Load multiple instances for complex sound manipulation.

**Highlights:** 11 unique audio effects, Versatile motion sequencer, Dynamic parameter modulation, Load multiple instances, Cross-platform availability (iOS, Windows, macOS)

**In-app purchases:** none


## Frequently asked questions

### Is GRM studio free?

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

### Is BLEASS Motion FX free?

BLEASS Motion FX costs $7.99, with no in-app purchases.

### Which has better reviews, GRM studio or BLEASS Motion FX?

BLEASS Motion FX is rated higher. GRM studio averages 4.0 out of 5 from 1 ratings, while BLEASS Motion FX averages 4.8 from 13 ratings.

### Do GRM studio or BLEASS Motion FX have ads?

Neither GRM studio nor BLEASS Motion FX shows ads.

### Which is updated more often, GRM studio or BLEASS Motion FX?

GRM studio ships an update weekly, and BLEASS Motion FX every 54 months. Most recently, GRM studio was updated on October 2, 2026 and BLEASS Motion FX on October 7, 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.*