# GSiRotary vs Morphimus

The clearest difference is price: Morphimus at $4.99 against GSiRotary's $19.99. Morphimus also leads on update cadence (every 11 days vs every 17 months). GSiRotary's advantage is iOS requirement (12.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

GSiRotary costs $19.99 and Morphimus $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GSiRotary ships an update every 17 months, Morphimus every 11 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | GSiRotary | Morphimus |
| --- | --- | --- |
| Price | $19.99 | **$4.99** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/gsirotary/id1644548509/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 11 days** |
| Monetization | Paid | — |
| Size | 12 MB | 2 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Genuine Soundware](https://appshunter.io/developer/1560880481) | [SEAN IAN HALENWOOD](https://appshunter.io/developer/1896371669) |

## What reviewers say

### GSiRotary

[App page](https://appshunter.io/ios/app/gsirotary/id1644548509)

This AUv3 plugin emulates the iconic sound of Leslie rotary speakers for iPad. It offers detailed control over speeds, ramp times, balance, and microphone placement, along with built-in tube overdrive and reverb. Achieve authentic vintage speaker tones with low CPU impact.

**Highlights:** AUv3 plugin for compatible host apps, Emulates Leslie tube models (122, 147, etc.), Adjustable speeds for upper and lower speakers, Adjustable ramp up and down times, Adjustable balance between speakers, Adjustable microphone position, Built-in tube overdrive and digital reverb

**In-app purchases:** none


### Morphimus

[App page](https://appshunter.io/ios/app/morphimus/id6767078788)

**In-app purchases:** none


## Frequently asked questions

### Is GSiRotary free?

GSiRotary costs $19.99, with no in-app purchases.

### Is Morphimus free?

Morphimus costs $4.99, with no in-app purchases.

### Do GSiRotary or Morphimus have ads?

Neither GSiRotary nor Morphimus shows ads.

### Which is updated more often, GSiRotary or Morphimus?

GSiRotary ships an update every 17 months, and Morphimus every 11 days. Most recently, GSiRotary was updated on October 24, 2026 and Morphimus on October 29, 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.*