# GSiRotary — Rotary Speaker for iPad

> AUv3 rotary speaker effect plugin for iPad, emulating Leslie speaker tones. (iPhone/iPad app by Genuine Soundware.)

- Source: https://appshunter.io/ios/app/gsirotary/id1644548509 (this page in markdown: same URL + `.md`)
- Developer: [Genuine Soundware](https://appshunter.io/developer/1560880481)
- Category: Music, Productivity
- Price: $19.99
- Rating: 3.70/5 from 3 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 12 MB
- Released: 2022-10-18
- Data updated: 2026-08-26
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/gsirotary/id1644548509/reviews.md

## What is GSiRotary?

Please note: this is an AUv3 plugin that can be used with compatible host Apps.

GSiRotary for iPad is the portable version of the very same Rotary Speaker algorithm found in the software GSi VB3-II and in the hardware keyboards Crumar Mojo (Classic and Suitcase), Mojo Desktop, Mojo 61 as well as in the GSi Gemini.

As a Rotary Speaker effect it reproduces the effect and the tonal characteristics of the famous Leslie speakers, specifically the tube models 122, 147, 142, 145 and 251. It's not based on one single model, because there's actually very little difference between these models. Changing some parameters can make it sound more like a model or more like another one, letting alone the fact that even two or more apparently identical Leslies of the same model would not sound really identical after more than 60 years. GSiRotary takes this into account and offers a parameter set that can help us reach the rotary speaker sound we have in mind.

Main features:
- very low impact on CPU and RAM
- adjustable speeds for upper and lower speakers separately
- adjustable ramp up and down times
- adjustable balance between upper and lower
- adjustable microphone position (angle and distance)
- built-in tube overdrive and digital reverb
- comes as AUv3 plugin
- supports background audio

## Key features

- 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

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/gsirotary/id1644548509/reviews.md

### 5/5 — Excels at the job!

*2024-01-23*

Line out from B3 to iPad into Rotary sounds great!!! Maybe an iPhone version in the future?

### 1/5 — GSI ROTARY SPEAKER

*2023-03-01*

I could not get this app to work with the vb3m app on my iPad !

**Developer response:** These are PLUGINS, you need to use them as AUv3 plugins and make your connections inside a AUv3 plugin host of your choice (AUM, Camelot, Cubasis, etc.).

### 5/5 — GSI ROTARY SPEAKER

*2023-02-24, version 1.0.0*

This rotary speaker really improves the sound of the VB3M. I would highly recommend this app.

### 5/5 — Much needed and fantastic!

*2022-12-27*

Straightforward, classic, and sounds great. Thank you for making this much needed AuV3 app!

## Frequently asked questions about GSiRotary

### What is GSiRotary?

GSiRotary is an AUv3 plugin for iPad that emulates the sound of classic Leslie rotary speakers. It allows you to add authentic vintage speaker tones to your music productions within compatible host applications.

### What Leslie speaker models does GSiRotary emulate?

GSiRotary emulates the tonal characteristics of famous Leslie tube models including the 122, 147, 142, 145, and 251. It offers parameters to fine-tune the sound to resemble different models or achieve a unique rotary speaker sound.

### Can I adjust the speaker speeds in GSiRotary?

Yes, GSiRotary allows for adjustable speeds for the upper and lower speakers independently. You can also adjust the ramp up and down times to control how quickly the speakers change speed.

### Does GSiRotary have overdrive or reverb?

Yes, GSiRotary includes a built-in tube overdrive effect to add warmth and grit, as well as a digital reverb to enhance the spatial quality of the sound.

### What devices does GSiRotary support?

GSiRotary is supported on iPhone, iPad, and iPod. It requires a compatible host app to function as an AUv3 plugin.

### How much does GSiRotary cost?

GSiRotary is a paid application, priced at $19.99. There are no in-app purchases or subscriptions required after the initial purchase.

### Is GSiRotary suitable for live performance?

Yes, GSiRotary supports background audio, making it suitable for use in live performance setups with compatible host applications. Its low impact on CPU and RAM also contributes to its performance reliability.

### How often is GSiRotary updated?

The latest version of GSiRotary is 1.1.0, last updated on August 7, 2025. While specific update frequency isn't detailed, this indicates ongoing development and support for the application.

## Version history (last 3 releases)

### 1.1.0 — 2025-08-07

- Added the full parameter set from the Rotary Speaker section of VB3-II
- Also released for Mac and Windows (separate purchase: check GSi website)

### 1.0.1 — 2024-02-05

- Added support for background audio
- Added compatibility with iPhone

### 1.0.0 — 2022-10-18

No release notes.

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## More apps by Genuine Soundware

- [VB3m](https://appshunter.io/ios/app/vb3m/id1560880479)
- [Gemini Editor](https://appshunter.io/ios/app/gemini-editor/id1583777698)
- [GenuineSounds Vol. I](https://appshunter.io/ios/app/genuinesounds-vol-i/id1636493927)
- [ECHO B2](https://appshunter.io/ios/app/echo-b2/id1640987290)
- [VariSpeed](https://appshunter.io/ios/app/varispeed/id1642813420)
- [TimeVerb-X](https://appshunter.io/ios/app/timeverb-x/id1643739739)

All apps by Genuine Soundware: https://appshunter.io/developer/1560880481

## Related topics

[viscount](https://appshunter.io/ios/topics/viscount)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*