Cortex Studio
Your AI guitar tone engineer
About
This app uses AI to generate complete guitar presets for Neural DSP Quad Cortex users. Simply describe your desired sound, and it will provide amp models, effect chains, and specific settings. It also offers MIDI control and a personal preset library for quick recall.
What's New in Cortex Studio
2.5
April 18, 2026
API Key Compatibility Fix - Google updated their Gemini API key format and new keys were being rejected at the entry screen. This has been fixed — all valid key formats are now accepted.
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FAQ
What is Cortex Studio?
Cortex Studio is an AI-powered application designed to help Neural DSP Quad Cortex users create guitar presets. It translates descriptive text into specific amp, effect, and setting configurations for your device.
How does Cortex Studio generate presets?
You describe the sound you want (e.g., an artist, genre, or vibe), and the AI generates the exact Quad Cortex amp model, all effect settings, and the correct signal chain order.
Is Cortex Studio compatible with all Quad Cortex features?
Yes, Cortex Studio is built exclusively for Quad Cortex and only uses amp and effect models available on your device, ensuring all recommendations are achievable.
Can I control my Quad Cortex with Cortex Studio?
Yes, you can connect your Quad Cortex via USB to send Program Change messages directly from the app, allowing for one-tap preset recall.
How many free AI requests do I get with Cortex Studio?
Cortex Studio includes 25 free AI requests upon download, with no sign-up or credit card required. For unlimited use, you can connect your own Google Gemini API key.
Does Cortex Studio have ads?
No, Cortex Studio is ad-free. It offers a free tier with a limited number of AI requests and an option to use your own API key for unlimited access.
What devices does Cortex Studio support?
Based on the provided data, Cortex Studio is currently supported on iPhone. It is designed to work with the Neural DSP Quad Cortex hardware.
How often is Cortex Studio updated?
The latest version of Cortex Studio is 2.5, and it was last updated on April 18, 2026. This indicates a relatively frequent update cycle for the application.