Ampz: Neural Amp Modeler

Ampz: Neural Amp Modeler

AUv3 Guitar Amp Sim & FX

2 ratings
5 reviews
$9.99

Details

  • Released
  • Updated
  • April 15, 2026
  • August 5, 2026

Features

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About

This app offers ultra-low latency guitar amp modeling on iOS, functioning as a standalone app or an AUv3 plugin. It supports custom neural network models and includes a comprehensive effects chain, preset system, and practice tools.

Native NAM processing
Ultra-low latency
10-slot effects chain
100-slot preset system
IR loader
Chromatic tuner
MIDI control
Drum machine and looper
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What's New in Ampz

1.5.1

August 5, 2026

This update fixes the drum loop volume slider, which would not respond to dragging on some devices. You can now adjust the drum volume freely.

User reviews

Great App, but

it would be nice if the app itself could host AUv3 units too. 100 Presets is great, looper and drum machine are perfect additions for standalone use. Wow and manual!!

Response from developer

Thanks! Glad the presets, looper, and drum machine are working well for your standalone rig, and that the manual landed too. Turning Ampz into a host that loads other AUv3 units is something we're thinking about, though I can't promise it yet. For now it works the other way around: Ampz is itself an AUv3 effect you can load into a host like AUM or Loopy Pro alongside your other units. Thanks for the great suggestion and the kind words. - Jonathan

Superb

What a brilliantly conceived and designed application. A real pleasure to use, and I’m bowled over by the realism of neural amp modelling (which is new to me).

The functionality, MIDI in particular, seems to offer everything needed for live performance. Just two caveats on this from my side. First, is it stable enough? I hope so but I’ve not yet used it anything like enough to know the answer to this. Second, I’m running it on an iPad mini, which seems like a good platform for live work. But the Ampz Live view doesn’t yet use all the available screen space to best effect, with things that could be big and bold appearing too small for my own preference. But this alone wouldn’t stop it from being workable.

The app is new so I’m sure that the dev team will work this through. They’ve done a fantastic job!
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Response from developer

We're really glad the amp modeling and the MIDI feature set are clicking for live use, since that's exactly what we built it for.On your two points: stability is our top priority, and every release goes through on-device testing before it ships. If you ever hit anything unexpected, please reach out so we can look into it directly. On the iPad mini layout, a recent update (1.5.0) specifically reworked the iPad Live view to use the full screen: the controls scale up, the knob grid spreads out and grows larger, and text and the toolbar are sized up for tablet. Make sure you're on the latest version and let us know how it feels on the mini. Thanks again for taking the time to review and for downloading. - Jonathan

Amazing!

Wow! I just bought the tonex one plus pedal and this….Ampz is 10xs better….I messed around three and a half hours with Tonex with software and still couldn’t get it to work. I said I’m done! I saw this advertised and bought it the same day. The effects are really decent and the integration of tone3000 is sooooooo simple!
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Response from developer

Thank you, this means a lot! I'm glad Ampz got you playing instead of troubleshooting. Also happy the Tone3000 integration and the effects are working for you. There's an iPad-optimized update out now, and more on the way. If you ever hit a snag or have a request, reach out. I read everything. (And nice username JMP 2203. 🤘) Jonathan

Excellent app

The exact NAM loader I was looking for! Supports a2, integration with website to download tones straight from app and quality of life features like bread and butter fx mean I can do everything in the app for quick jams

Response from developer

Thanks so much for the fantastic review! It is incredibly rewarding to hear it's hitting the mark for you. Making it seamless to grab tones and immediately dial them in with included FX was a huge priority. Keep an eye out for more updates, and happy jamming!

Intuitive, but could use some work

Sounds very shrill on most presets without using an EQ to cut it down. Easy to download new NAM profiles. Doesn’t sound as good as using a pc. At least it supports the latest 2.0 profiles. If it sounded better and the control knobs weren’t clunky (could be larger on iPad) I’d love to use this in a live setting.
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Response from developer

Hi there, thank you for the feedback! We are actively working on an iPad UI update to better utilize the larger screen sizes. Regarding the shrill tone you mentioned, this is likely caused by digital clipping where the hardware input and the app's gain staging are pushing the model too hard. To solve this, our next update will introduce input/output metering and an automatic input calibration feature to help match your hardware to the model’s sweet spot. If you'd like help troubleshooting your signal chain in the meantime, please reach out to me directly at jonathan@ampz.app. I'm also putting together some new demo videos for the community soon!

FAQ

What is Ampz?

Ampz is an iOS application that provides neural amp modeling for guitarists. It can be used as a standalone app for instant tone or as an AUv3 plugin within other audio hosts like GarageBand.

Does Ampz have ads?

No, Ampz does not contain advertisements. It is a one-time purchase with all features included.

What is the latency of Ampz?

Ampz offers ultra-low latency, achieving under 2.5ms total roundtrip latency through Core Audio at 48kHz using 64-sample buffers.

Can I use my own amp models with Ampz?

Yes, Ampz natively runs WaveNet and LSTM .nam models at full fidelity. You can also load third-party impulse responses for cabinet simulation using the IR loader.

What practice tools are included in Ampz?

Ampz includes a built-in drum machine with patterns for practice and jamming, as well as a looper function to record, overdub, and playback loops.

What devices does Ampz support?

Ampz is supported on iPhone and iPad devices. It is optimized for Apple silicon.

How often is Ampz updated?

The latest version of Ampz is 1.3.1, last updated on June 28, 2026. Updates typically include performance improvements and new features.

What is the price of Ampz?

Ampz is available for a one-time purchase of $9.99. There are no subscriptions or in-app purchases required.