REACTOR: Amp Intelligence

Positive Grid LLC

About this app

Your imagination deserves an amplifier.

REACTOR is the companion app for the REACTOR intelligent guitar combo amp — powered by Amp Intelligence™, a sound engine trained on over 1 million tones and the circuit-level DNA of 200+ legendary amp designs. Type an idea. Snap a photo. Drop in a recording. REACTOR builds the full signal chain in seconds.

CREATOR HUB — THREE WAYS TO BUILD TONE
• Audio to Tone. Upload a track or record a clip. Amp Intelligence analyzes the sound and rebuilds it as a playable guitar tone.
• Image to Tone. See an amp, a pedalboard, or a setup that inspires you. Snap it. The app turns the photo into a matching tone.
• Text to Tone. Describe an amp, an artist, or a feel in your own words. Amp Intelligence figures out the signal chain and makes it playable.
• Build your own amps. Combine characteristics, shape deep parameters, and create original amp voices that don't exist anywhere else. Name them, save them, share them.

DEEP CONTROL, INSTANT CHANGES
• 24 amp models to start — full parameter access to gain structure, EQ, bias, and voicing
• 8 simultaneous effect slots across Gate, Compressor, Drive, Modulation, Delay, Reverb, Wah, and EQ
• Drag-and-drop signal path — reorder effects anywhere, insert the FX loop at any point
• Unlimited preset library, organized by song, session, or genre
• Assign presets to 8 onboard amp slots for instant recall on stage
• Built-in tuner

TONE MEMORY
REACTOR remembers your prompts, inputs, and adjustments. Every time you create, it starts closer to the sound in your head.

TONECLOUD
Browse and download tones and custom amps from other players. Share your own. Discover patches built by artists and the global REACTOR community.

CONNECTS TO YOUR AMP
Pair over Bluetooth or Wi-Fi. Push presets and custom amps to your REACTOR combo amp. Pull them back to the app to edit, refine, or share.

Now tone answers to you.

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Requires a REACTOR 50 or REACTOR 100 amp for full functionality.

Ratings and reviews

Let me start by saying that the amp and sounds are first rate. I also have been getting email feedback from Reactor that has been timely and helpful. Now let me get to the app. I don't find the app intuitive and laid out to just breeze through. Instructions for using the app past the most basic stages is more labor intensive than necessary. I had problems with using the feature that uses my phone mic to create. I will update their team, as they seem genuinely interested. Overall I like it.

The amp is amazing! I wish the app looked the same as the app for the Positive Grid Spark. I don't like looking at the Reactor app! Please simplify not and get rid of the AI generated artwork.

Buggy. The amplifier is great. The accompanying app is real buggy. Frankly it's incredibly annoying. I hoping they send out an update to fix these issues soon.

What’s new

What's New in 1.1.5

Presets & Controls
- Studio Reverb has been redesigned with a more intuitive control panel
- Clearer preset and amp & effects menu headers

Other
- General connection and stability improvements