Twin · House #28,393

What it is

Calls itself “buddy”.

• Calls itself: buddy

“Twin is a local first AI buddy that floats on your Mac desktop”

Where it puts itself

Positions itself as an alternative to assistant. Rules out “cloud”.

• Alternative to: assistant
• Says it will not: cloud

“Twin skips that trade, keeping everything in a DuckDB file at ~/.twin/twin.duckdb , right on your Mac. No accounts, no sync, no cloud database.”

“…you've met the other kind of assistant. The kind that needs your calendar and texts to be useful, then ships all of it to a server you'll never see. Twin skips that trade”

What it costs

A free tier, free forever.

• Free plan: free forever

“Twin is a free, open source buddy that floats on your Mac.”

Who it sells to

Sells to consumers.

• Sells to: consumers

“Twin is a local first AI buddy that floats on your Mac desktop”

How it runs

A desktop app for macOS. Runs locally and works offline. Offers an API. Open source. AI is the core of the product. You can bring your own API key.

• Kind: desktop
• Runs on: macOS
• Runs where: on the device, offline
• API: yes
• Open source: yes
• AI role: core to the product
• Bring your own key: yes

“Twin is a real Mac app.”

“Twin for Mac v0.1.1 · macOS 13 Ventura or later · Apple silicon · free and open source”

What it works with

Names Claude, DuckDB and 5 more on its pages.

• Names: Claude · DuckDB · GPT · +4

“Bring your own Claude, GPT, Gemini or Grok key.”

“Your data lives in a local DuckDB file.”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes docs.

• Instant signup: yes
• Trial asks for: nothing

“…download for mac ↓”

“…docs -> https://twin.siddharththakkar.xyz/docs”