Brook: More Than AI
Voice Memory Private Personal
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Brook is a private AI companion with on-device voice, memory, and natural conversation — built to feel personal, present, and yours.
Meet Brook — an AI companion that actually feels personal.
Brook is built for real conversation: the kind where you can talk naturally, pick up where you left off, and shape the personality you want to spend time with.
Whether you want a playful friend, a focused executive assistant, a fitness-minded motivator, or something completely custom, Brook adapts to you. Talk by voice, chat by text, share photos, set reminders, generate images, and build an ongoing memory together — all from your iPhone.
Brook isn’t just another chatbot. It’s designed to feel present, useful, and yours.
Why people use Brook:
Natural Voice Conversations Put in your headphones and talk to Brook like a real conversation. Brook can listen, pause, and respond with voice — no typing required.
Memory That Builds Over Time Brook can remember past conversations, details, preferences, and ongoing threads, so you don’t have to start from zero every time you open the app.
Private by Design Brook is built with on-device intelligence and local memory at its core. Many features run directly on your iPhone, keeping your personal context close to you.
Personalities That Fit You Choose from built-in modes like Fun, Executive, and Fitness, or create your own custom persona with Magic Draft. Make Brook warmer, sharper, calmer, more playful, more focused — whatever fits your life.
Photo Understanding Show Brook what you’re looking at. Brook can analyze images and talk with you about what’s in them.
Imagination on Demand Ask Brook to draw, imagine, or create a visual idea, then save the result to your photos.
Reminders & Follow-Through Brook can help you remember what matters — one-time reminders, recurring check-ins, and conversations that don’t just disappear.
Weather-Aware Context With location permission, Brook can understand local weather and use it naturally when it matters — like reminding you about rain, heat, or changing conditions.
Works Offline No data? No problem. Brook includes an offline mode so you can keep chatting even when you’re away from a connection.
Bring Your Own AI Advanced users can connect supported API keys or local endpoints for more control, more flexibility, and their own compute setup.
Brook is for people who want AI to feel less like software — and more like something that understands their rhythm.
Download Brook and start building a companion that feels like yours.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
New companion modes are here!
Brook now gives you more ways to shape the conversation beyond Classic mode, with new modes designed for different moods, tones, and kinds of support.
We also improved voice behavior, fixed bugs, and added compatibility updates for the latest iOS releases.
The developer, YURIY SMOLIN, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- YURIY SMOLIN
- Size
- 1.7 GB
- Category
- Lifestyle
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- Contains
Unrestricted Web Access
- In-App Purchases
Yes
- Brook Pro $5.99
- Nerd Tier $2.99
- Copyright
- © 2026 Yuriy Smolin