Privacy · updated Oct 1, 2026

Your logs stay on your iPhone

Onelog has no account, no server, no ads and no trackers. Your data is stored on your iPhone and only leaves through something you do yourself: an export, a webhook you set up, or a feedback email.

What comes in

YouA tap in the app, a widget, Siri or Shortcuts.

Apple HealthSteps and workouts to log by themselves. Your own tap always wins.

Apple WeatherToday’s weather, from an approximate position.

Your logsOn this iPhone

What goes out, if you decide

JSON exportOpen onelog/1 format, through the share sheet. It re-imports as is.

Signed webhookEach log to your https address. Never Health values.

Your AI agentIt reads what you give it. It never writes into Onelog.

Onelog accountOnelog serverAdsTrackersData resale

Privacy in detail

What is stored, and where

Your logs: On the iPhone, in the space shared by the app and its widgets. Included in the iPhone backup. No iCloud sync for now.
Voice memos: Audio files on the iPhone. Transcribed on the iPhone. Never in an export or a webhook.
Places: Coordinates captured on demand, without addresses. They stay on the iPhone.
Settings: Theme, tone, zone names: on the iPhone.

Permissions, one by one

Microphone and speech recognition

Asked the first time you tap Dictate. Transcription happens on the iPhone.

Location

“While using” only, to capture a place when you ask and for the weather.

Weather

Apple Weather receives an approximate position to return today’s weather. Can be turned off.

Photos (optional)

Off by default. Counts today’s photos, no thumbnails, nothing sent.

Apple Health

Reads steps and workouts to log automatically. Never sent by webhook, never put in iCloud.

Notifications

Reminders off by default, log by log, and an optional evening nudge.

What goes out, only if you decide

Export: A file you share yourself, wherever you want.
Webhook: To the https address you enter, signed with your key. Notes optional, Health values never.
Feedback email: Opens an email with your iPhone model and Onelog version. Nothing else, and nothing until you send it.
AI agents: They read what you give them. They never write into Onelog.

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