Willow

Quick verdict: Willow appears to be a local-first macOS desktop AI agent that keeps data on-device and is presented as a lifetime-license personal assistant for users who want on-device control and simple desktop/browser automation.

What it is

The website describes Willow as a desktop AI agent that runs on your computer and stores data locally. It is framed as a personal agent that "remembers what you worked on" to support follow-up tasks, and the site emphasizes automation of browser and desktop tasks plus local file organization. A macOS (Apple Silicon / aarch64) .dmg is available for download; Windows and Linux are listed as "coming soon."

Who should consider it

• Individual macOS users (Apple Silicon) who prioritize keeping data on their device.
• People who want an on-device assistant to recall recent work and automate repetitive browser or desktop workflows.
• Users willing to bring or configure their own AI provider credentials rather than relying on an included hosted model.

Why it may be useful

Willow’s local-first approach may reduce the need to send personal files or histories to a hosted service, which is attractive if you want more control over where your data lives. The combination of remembered context and task automation could save time on follow-ups and routine desktop tasks. The one-time, lifetime-license positioning may also appeal to buyers who prefer a non-subscription purchase model.

What is unclear or missing

• Price and purchase terms: the website positions Willow as a lifetime license but does not list a specific price or refund policy. Verify the exact cost before purchasing.
• System requirements: minimum macOS version, Intel vs. Apple Silicon support beyond the aarch64 build, and disk/permission needs are not specified on the site.
• AI integrations: the site indicates you can connect your own AI backends but does not list supported providers or show configuration steps.
• Privacy and telemetry details: while the site emphasizes on-device storage, it does not clearly describe telemetry, optional sync/backup, encryption, or how integrations handle data. Request privacy or technical documentation if this matters to you.
• Stability and support: documentation on feature maturity, crash handling, update policy, and long-term support is not provided. Treat early builds with caution.

What to verify before relying on it

• Confirm the current price, refund policy, and payment terms on the official download/purchase page.
• Check exact macOS compatibility and whether an Intel build is available if you do not use Apple Silicon.
• Ask which AI providers are supported and how to configure credentials or endpoints.
• Request details on telemetry, backups, encryption, and sync to confirm whether data truly stays on-device in your intended workflows.
• Test the app in a non-critical environment to assess stability and whether its automation features meet your needs.

Trust signals and contact

The site lists a named service provider and contact details in Germany in its legal notice. That gives a point of contact for questions about business, privacy, and support; use it to request missing technical and legal details.

Bottom line

If you want an on-device AI assistant for macOS that the website presents as retaining local context and sold under a lifetime-license model, Willow appears worth a closer look — especially for Apple Silicon users who are comfortable configuring their own AI backend. Before installing or paying, verify price, compatibility, supported integrations, and privacy/telemetry practices on the official site, and test the app in a limited setup first.