# GRM studio vs BLEASS Dragonfly

The clearest difference is price: GRM studio at Free against BLEASS Dragonfly's $7.99. GRM studio also leads on update cadence (weekly vs every 24 months) and iOS requirement (9.3 vs 12.0). BLEASS Dragonfly's advantage is rating (4.8 vs 4.0) and ratings volume (17 vs 1). On review sentiment, ads, in-app purchases and device support there is nothing between them.

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

BLEASS Dragonfly holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: BLEASS Dragonfly has 17 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 Dragonfly every 24 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | GRM studio | BLEASS Dragonfly |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/grm-studio/id1448936613/reviews) | **[4.8 (17 ratings)](https://appshunter.io/ios/app/bleass-dragonfly/id1580935730/reviews)** |
| Number of ratings | 1 | **17** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 24 months |
| Monetization | **Free** | Paid |
| Size | 35 MB | 27 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 Dragonfly

[App page](https://appshunter.io/ios/app/bleass-dragonfly/id1580935730)

This audio effect plugin offers a unique approach to tremolo, allowing music producers to add dynamic modulation to synths, vocals, and melodies. It syncs tremolo effects with input frequencies, MIDI notes, or sidechained signals for creative sonic textures.

**Highlights:** Pitch tracking for self or sidechain modes, MIDI input for precise triggering, Manual rate and amplitude control, Adjustable smoothing, stereo, attack, and release, Wild mode for saturation and waveshaping, Animated visualization of effect rate

**In-app purchases:** none


## Frequently asked questions

### Is GRM studio free?

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

### Is BLEASS Dragonfly free?

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

### Which has better reviews, GRM studio or BLEASS Dragonfly?

BLEASS Dragonfly is rated higher. GRM studio averages 4.0 out of 5 from 1 ratings, while BLEASS Dragonfly averages 4.8 from 17 ratings.

### Do GRM studio or BLEASS Dragonfly have ads?

Neither GRM studio nor BLEASS Dragonfly shows ads.

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

GRM studio ships an update weekly, and BLEASS Dragonfly every 24 months. Most recently, GRM studio was updated on October 2, 2026 and BLEASS Dragonfly on October 2, 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.*