Last updated 30 August 2026
FIREBIRD is built local-first. Most of what you put into it never leaves your phone.
This page describes exactly what stays on your device, what reaches our servers and when, and what we never collect. It's written to be specific rather than reassuring.
These are stored only in the app's local database. There is no code in FIREBIRD that uploads them:
If you never invite anyone into a challenge, the iPhone app never sends your activity anywhere.
The web version is different, and we would rather say so than let you assume otherwise. A browser has no storage durable enough to trust with a journal — clearing site data would erase it — so journal entries written at firebird.life are saved to your account instead. They are readable by you and nobody else: the database rejects any request for another person's entries, and we don't read them. If you want a journal that never leaves your own hardware, write it in the iPhone app.
The moment you invite someone into a challenge, that challenge is published so the people you invite have something to join. From then on, receipts you log against that challenge are shared with the other people in it.
Specifically, shared data is: the challenge itself (its title, what counts, schedule), the receipts logged against it (the action and the evidence you wrote), your display name, and who is a member. Access is enforced at the database level — people can only read challenges they belong to.
If you connect Apple Health, FIREBIRD reads workouts, sleep, mindful minutes and step count, and only to offer them back to you as suggested proof so you don't have to type what you already did.
If you photograph a page to turn it into a journal entry, that image is sent to Anthropic once, to be read into text. It isn't used to train anything. In the iPhone app the photo is then stored on your device alongside the transcription; on the web the transcription is saved to your account and the image is not kept at all.
When you hold the microphone, FIREBIRD uses Apple's speech recognition to turn speech into text. Depending on your device and language, Apple may process audio on-device or on Apple's servers under Apple's privacy policy. FIREBIRD does not record, store or upload audio — only the resulting text is saved, and it's saved wherever that entry belongs (usually your local journal).
If you use the agent or the weekly Flow Report, the relevant text — what you typed or said, plus the challenges and journal entries being discussed — is sent through our server to Anthropic to generate a response. This only happens when you actively use those features. Your API usage is rate-limited per account.
FIREBIRD needs an account. It's the thing that lets your record survive a lost phone and lets somebody else join a challenge without extra setup. We store your email address or Apple identifier, your display name, and the challenges you belong to. Authentication is handled by Supabase.
We record a short list of first-party events so we can tell whether the app is actually working — that someone finished setting up, logged a receipt, sent an invite, or opened one. Each is a name from a fixed list, plus an optional number and a timestamp. No content, no free-form text, and nothing from your journal or receipts. It goes to our own database, not to any third party, and it is used to fix what is broken rather than to profile you.
In the app: Settings → Delete account permanently removes your account, the challenges you own, and your receipts from our servers. Settings → Reset all FIREBIRD data erases everything held locally on the device. Deleting the app removes all local data including your journal.
FIREBIRD isn't directed at children under 13, and we don't knowingly collect data from them.
Questions, or a request to see or delete your data: hello@firebird.life.