AI for your entire workday

The first AI assistant living in your macOS notch that works with all your apps.

macOS 13+ (Intel & Apple Silicon)

macOS 13+ (Intel & Apple Silicon)

Powered by the smartest and fastest AI models

OpenAI Anthropic Google
Groq Mistral Cerebras

Voice + Context = Magic

Alter sees beyond the screen, tapping directly into apps, browsers, and more.
Ask anything and watch as context-aware AI makes magic happen.

AI Instant Actions

Start in seconds with 80+ built-in actions,
or create custom ones that match your needs.

Meetings → Memories

Record anywhere, get instant smart summaries and chat with it to unlock insights.
Works with every platform, from Zoom to boardrooms.

Make AI Your Natural Advantage

Turn every app into an AI powerhouse, right from your notch

See more features

Privacy by Design

Your chats are encrypted locally. Alter doesn't store your data to train models and supports local models to work completely offline.

Speak Naturally, Work Faster

Transform your workflow with voice-first computing. Get your messages, emails and documents done 3x faster across every app you use.

Native to macOS

Alter feels like it's part of macOS with natural interactions - copy, paste, drag-and-drop, system-wide shortcuts and subtle notifications.

The Community

Alter is loved by Mac power users around the world. Join the community on Discord
and help us build the best AI assistant for macOS.

Join the community

Don’t tell Tim I use it

Craig F. generated avatar

Alter allows me to do all my weekly personal tasks in 15 min rather than 2 hours

Thomas Hauchecorne generated avatar

Alter is continuing to grow on me as my go-to for day-to-day needs. You can feel that a lot of attention goes into the user's experience while the app blends into your everyday actions.

Frantz Nelson generated avatar

I really love the simplicity of this app. In comparison to ChatGPT Mac app & Raycast it just feels so light weight; quick open, quick summary of info I want, quick close.

Mark Midlick generated avatar

Alter is a success. I'm convinced that it will be the perfect assistant for any task in your life.

Nathan Rico generated avatar

Alter is the most seamless experience I’ve had and the one I always use on my mac for context-related shortcuts

Ben Smith generated avatar

Don’t tell Tim I use it

Craig F. generated avatar

Alter allows me to do all my weekly personal tasks in 15 min rather than 2 hours

Thomas Hauchecorne generated avatar

Alter is continuing to grow on me as my go-to for day-to-day needs. You can feel that a lot of attention goes into the user's experience while the app blends into your everyday actions.

Frantz Nelson generated avatar

I really love the simplicity of this app. In comparison to ChatGPT Mac app & Raycast it just feels so light weight; quick open, quick summary of info I want, quick close.

Mark Midlick generated avatar

Alter is a success. I'm convinced that it will be the perfect assistant for any task in your life.

Nathan Rico generated avatar

Alter is the most seamless experience I’ve had and the one I always use on my mac for context-related shortcuts

Ben Smith generated avatar

Alter is a success. I'm convinced that it will be the perfect assistant for any task in your life.

Nathan Rico generated avatar

Being able to record any meeting (online and offline) and having automatic reports generated has been a game changer for me.

Thomas Adhumeau Generated Avatar

Alter is the most seamless experience I’ve had and the one I always use on my mac for context-related shortcuts

Ben Smith generated avatar

I genuinely enjoy Alter and it fulfills a vital role in my productivity. I am not a computer guy, nor do I work at a desk, so "vital" is a description I rarely use in describing an application :)

Alex Sigalovsky generated avatar

Alter's ability to run LLMs locally on my computer ensures complete confidentiality, making it the perfect solution for handling sensitive topics. It's a game-changer for those who need both control and privacy

Benoît generated avatar

Alter is a success. I'm convinced that it will be the perfect assistant for any task in your life.

Nathan Rico generated avatar

Being able to record any meeting (online and offline) and having automatic reports generated has been a game changer for me.

Thomas Adhumeau Generated Avatar

I genuinely enjoy Alter and it fulfills a vital role in my productivity. I am not a computer guy, nor do I work at a desk, so "vital" is a description I rarely use in describing an application :)

Alex Sigalovsky generated avatar

Alter's ability to run LLMs locally on my computer ensures complete confidentiality, making it the perfect solution for handling sensitive topics. It's a game-changer for those who need both control and privacy

Benoît generated avatar

Alter is continuing to grow on me as my go-to for day-to-day needs. You can feel that a lot of attention goes into the user's experience while the app blends into your everyday actions.

Frantz Nelson generated avatar

I really love the simplicity of this app. In comparison to ChatGPT Mac app & Raycast it just feels so light weight; quick open, quick summary of info I want, quick close.

Mark Midlick generated avatar

Alter is a success. I'm convinced that it will be the perfect assistant for any task in your life.

Nathan Rico generated avatar

Try Alter for free now

Experience everything free for 7 days with unlimited AI access.
After trial, keep using Alter free with your own providers or upgrade to Pro for seamless, unlimited access.

macOS 13+ (Intel & Apple Silicon)

macOS 13+ (Intel & Apple Silicon)