Your Voice, Amplified
The AI-powered keyboard that turns your voice into text instantly — in any iOS app. Powered by state-of-the-art AI transcription.
Download Free via TestFlight No credit card required. No limits.Your thumbs will thank you
Speaking is 4x faster than typing on a phone. Use Cerebro for everything and the savings add up fast.
Everything you need to speak, not type
Powerful AI transcription paired with tools that make voice input actually useful.
AI-Powered Transcription
State-of-the-art AI for high-accuracy voice-to-text. Handles accents, background noise, and natural speech patterns.
Background Flow Sessions
Start a session in Cerebro, then switch to any app. The microphone stays active in the background, ready when you need it.
AI Text Transform Modes
Speak naturally, then let AI reshape your words. Go professional for emails, casual for friends, concise for notes — or translate into any language. One tap.
Custom Dictionary
Add names, technical terms, and custom vocabulary so the AI recognizes the words that matter most to you.
See Your Time Saved
Track your productivity gains with built-in stats. See how many minutes you’ve saved versus typing manually.
Every Language, One Keyboard
Speak in English, German, Japanese, Arabic, Korean, Chinese, Dutch, or any of 100+ languages. Cerebro understands them all.
Works in Every App
Installs as a system keyboard. Use it in Messages, Notes, Mail, WhatsApp, Slack, or any app that accepts text input.
Speak once. Send it any way you want.
Your voice, reshaped by AI in real-time. Professional emails, casual texts, translations — all from the same recording.
Professional
Casual
Concise
English
Clean
Custom
Create your own AI mode with any prompt you can imagine. Summarize, translate to Japanese, rewrite as a tweet — anything.
7 built-in modes. Unlimited custom modes. Your voice, infinite possibilities.
Three steps to faster communication
Set it up once, then speak freely wherever you type.
Install the Keyboard
Download Cerebro and enable it in your iOS keyboard settings. Grant Full Access so the microphone can be used for transcription.
Start a Flow Session
Open the Cerebro app and start a Flow Session. This activates the microphone so it’s ready when you need it from the keyboard.
Tap the Orb and Speak
Switch to Cerebro keyboard in any app, tap the glowing orb, and speak. Your words appear as text in seconds.
Your voice. Your data. Your device.
Cerebro is built with privacy at its core. Here’s how we protect you.
Audio Discarded Instantly
Voice recordings are deleted immediately after transcription. We never store, save, or retain your audio.
Text Stays on Device
Your transcriptions are stored locally on your device. We never upload, sync, or access your text content.
No Keystroke Logging
Full Access permission is used solely for microphone access. We never log, read, or transmit your keystrokes.
Simple, transparent pricing
No hidden fees. No subscriptions. Just start speaking.
Free for a limited time — no limits, no credit card required.
- Unlimited transcriptions
- Background Flow Sessions
- AI Text Transform Modes (7 built-in + custom)
- Custom dictionary
- Productivity stats
- Works in every app
Stop typing. Start speaking.
Join thousands who’ve discovered a faster way to communicate.
Get Cerebro Free