Un Bien
Your Pi agents, on your phone
About
A native client for the Pi coding agent, allowing users to connect to their own machines. It provides live transcripts, inline images, and interactive prompts for clarifications. The app is self-hosted with no cloud, account, or telemetry.
What's New in Un Bien
1.5
October 27, 2026
- Connect to relays federated across machines: sessions and launches on a federated mesh appear with their machine, and remote launch/resume work end to end. - Chat history now replays reliably and completely — missed turns reappear on their own, including after compaction or a relay restart. - Offline relays pause quietly instead of retrying endlessly; the status lives on the home screen. - improved handling of codemode - improved backfill on resume https://docs.georgeharker.com/un-bien/main/docs/changelog.html
MoreFAQ
What is Un Bien?
Un Bien is a native client designed to connect with the Pi coding agent. It allows you to interact with your self-hosted Pi agents directly from your phone, offering features like live transcripts and interactive prompts.
How do I set up Un Bien?
Setup involves pairing your phone with your own machines over a relay you host. Detailed installation instructions can be found on the developer's documentation site, with self-hosting estimated to take around 5 minutes.
Does Un Bien require an account or cloud service?
No, Un Bien is designed to be self-hosted. It does not require an account, and there is no Un Bien cloud or telemetry, ensuring your data and machines remain private.
Can I try Un Bien without setting up my own machine?
Yes, Un Bien includes a read-only demo mode. This allows you to explore the app's interface and features without any initial setup or connection to your own agents.
What devices does Un Bien support?
Un Bien is supported on macOS, iPhone, and iPad, making it accessible across different Apple devices for developers.
How often is Un Bien updated?
The latest version, 1.4, was released on October 17, 2026, indicating active development. The app was initially released on September 15, 2026.
What is the age rating for Un Bien?
Un Bien has an age rating of 4+, making it suitable for a wide range of users.
Does Un Bien have ads?
No, Un Bien is completely free and does not contain any advertisements, aligning with its self-hosted and privacy-focused design.
