Alter

Alter is a macOS AI assistant that integrates with the operating system to understand screen context and app usage, enabling voice commands, automation, and one-click outcomes. It targets Mac power users, including developers and professionals, who want to replace multiple AI tools with a single, faster, and more private solution. It is positioned as a system rather than a chat window, offering native macOS actions, offline model support, and integration with 2,000+ apps, with a subscription or lifetime license.

Key features

• Understands Mac screen and app context
• Native macOS actions and app control
• Voice-first workflows and dictation
• Meetings with speaker ID and offline option
• Works offline with local models
• Automation with 2,000+ apps via webhooks
• Access to 50+ AI models
• Auto-insert AI responses into any app
• Chat with any website
• AI chooses best model for each task
• 80+ built-in actions and custom actions
• Privacy by design with encrypted local chats