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Umbra · Office #51,955

an autonomous agent that lives on your Android phone

In the Building AI agents neighborhood (AI and agents). In town since 26 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on Umbra's site

Umbra describes itself as: “Umbra an autonomous agent that lives on your Android phone”

What it is

Calls itself “agent”.

  • Calls itself: agent
“An agent that lives on your phone.”

Where it puts itself

Claims “real”.

  • Superlative claim: real
“A real Linux machine in your pocket.”

What it costs

A free tier, free forever.

  • Free plan: free forever
“…free and open source (MIT)”

Who it sells to

Sells to consumers. In 繁體中文.

  • Sells to: consumers
  • Languages: 繁體中文
“An agent that lives on your phone.”
“繁體中文”

How it runs

A mobile app for Android. 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: mobile
  • Runs on: Android
  • Runs where: on the device, offline
  • API: yes
  • Open source: yes
  • AI role: core to the product
  • Bring your own key: yes
“An agent that lives on your phone.”
“Android 16 · arm64 · 816 MiB · free and open source (MIT) · sideload (no Play Store build)”

What it works with

Names ChatGPT, Claude and 5 more on its pages.

  • Names: ChatGPT · Claude · Debian · +4
“Sign in with a ChatGPT, Claude or Google account”
“A Debian environment with bash, git, Python and Bun”

What it offers as proof

In beta. Try it without signing up. Publishes docs.

  • Stage: beta
  • Trial asks for: nothing
“This is a preview build for sideloading.”
“There is no Play Store build.”

Sources

Tablif read these pages, last on 26 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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