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SPECIFICTION
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Amp ONE

mercuriall.com

Free plan iOS
Visit mercuriall.com
Spec score 8.4 #3 of 35 in Guitar Amp Software

What it is

Amp ONE is a free iPad application for real-time guitar preamp and cabinet simulation with effects. It turns an iPad into a modeled tube-preamp and cabinet setup, using pretrained artificial neural network models for circuit simulation. Listed preamps include Marshall JCM800, Cornford Harlequin, Engl E530, Krank models, an American hi-gain amp, EVH 5150 III and Fender Blues Junior III. Cabinet power-amplifier behavior is modeled through convolution. Effects include an adjustable noise gate, swell-capable fade timing, four stereo chorus models, delay and reverb. Snapshot and preset functions can save all settings or selected sections. Amp ONE supports AudioBus and Inter-App Audio. The stated requirements are an Apple iPad 2 or later and iOS 7.1 or later; an external audio interface is required to connect a guitar. The App Store listing says it is designed for iPad and is not verified for macOS. Apple’s listing provides no developer privacy details.

Spec sheet

Purpose
Amp ONE is an inter-app-audio application for real-time preamp simulation on iPad.Read 9 Oct 2026 · mercuriall.com
Integrations
The maker lists AudioBus and Inter-App Audio support.Read 9 Oct 2026 · mercuriall.com
Privacy
Apple's listing says the developer has not provided details about the app's privacy practices and data handling.Read 9 Oct 2026 · apps.apple.com
App Store platform note
The App Store listing says the app is designed for iPad and is not verified for macOS.Read 9 Oct 2026 · apps.apple.com
Audio connection
An external audio interface is required to connect a guitar to iPad.Read 9 Oct 2026 · mercuriall.com
Cabinet
The power amplifier stage is modeled as part of a guitar cabinet through convolution.Read 9 Oct 2026 · mercuriall.com
Cabinet modeling
The power amp stage is modeled as part of the guitar cabinet through convolution.Read 9 Oct 2026 · mercuriall.com
Chorus
Four chorus models are listed: Roland JUNO-60, Roland Dimension D, Korg Triton, and VOX Stereo Chorus.Read 9 Oct 2026 · mercuriall.com
Compatibility
The stated system requirements are Apple iPad 2 or later and iOS 7.1 or later.Read 9 Oct 2026 · mercuriall.com
Effects
The app includes a noise gate and swell, four stereo chorus models, delay, and reverb.Read 9 Oct 2026 · mercuriall.com
Hardware requirement
The maker specifies an external audio interface to connect a guitar to an iPad.Read 9 Oct 2026 · mercuriall.com
Integration
The maker describes Amp ONE as an inter-app-audio application; its overview also lists AudioBus and InterApplicationAudio support.Read 9 Oct 2026 · mercuriall.com
Intended use
The maker describes Amp ONE as a portable option for guitarists to play through modeled amplification without a large, noisy computer.Read 9 Oct 2026 · mercuriall.com
Maker attribution
Mercuriall's site identifies the publisher as Mercuriall Audio Software.Read 9 Oct 2026 · mercuriall.com
Modeling
Its maker says Amp ONE uses pre-trained artificial neural network models to speed up electrical circuit simulation.Read 9 Oct 2026 · mercuriall.com
Modeling method
Amp ONE uses pretrained artificial neural network models in place of an algorithm for solving nonlinear differential equations in its circuit simulations.Read 9 Oct 2026 · mercuriall.com
Noise gate
The noise gate has adjustable opening and closing thresholds, attack and release, and fade-in and fade-out timings; the page says it can create a swell effect.Read 9 Oct 2026 · mercuriall.com
Operating system
The maker lists Apple iPad 2 or later and iOS 7.1 or later as system requirements.Read 9 Oct 2026 · mercuriall.com
Other effects
The page lists delay and reverb sections.Read 9 Oct 2026 · mercuriall.com
Preamp models
Listed preamp circuits include Marshall JCM800, Cornford Harlequin, Engl E530, Krank Krankenstein and Revolution, an American hi-gain amp, EVH 5150 III, and Fender Blues Junior III.Read 9 Oct 2026 · mercuriall.com
Preamps
The maker lists modeled preamps including Marshall JCM800, Cornford Harlequin, Engl E530, Krank, EVH 5150 III, and Fender Blues Junior III.Read 9 Oct 2026 · mercuriall.com
Presets
Snapshot and preset systems save and restore all settings or settings for selected sections.Read 9 Oct 2026 · mercuriall.com
Product function
It turns an iPad into a guitar tube preamp and cabinet with effects for real-time playing.Read 9 Oct 2026 · mercuriall.com

Plans and prices

Amp ONE Free App Store listing says “Free”; designed for iPad Read 9 Oct 2026 · apps.apple.com

Every Amp ONE plan and price →

Strong points and limits

Strong points

  • Free plan listed
  • Multiple modeled preamp circuits
  • Includes chorus, delay and reverb
  • Presets save complete or selected settings
  • Supports AudioBus and Inter-App Audio

Limits

  • Requires an external audio interface
  • Designed for iPad, not verified for macOS
  • Privacy details are not provided

Who it suits

It suits guitarists seeking portable modeled amplification on an iPad. Users need a compatible iPad, iOS version and external audio interface for guitar input.

Verdict

Amp ONE offers free iPad-based preamp, cabinet and effects modeling with several preset-saving options. Its hardware requirement and iPad-focused compatibility define the setup.

Where Specifiction places it

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