Daily capture
A journal with a useful constraint
Onceday is built around one deliberate moment per day. Use the camera or photo library, record up to 30 seconds of audio, write a note, and optionally add a mood, tag, place, or person.
Browse the calendar, search journal text, and filter by mood, tag, or place.
Revisit On This Day memories and follow personal timelines across years.
Connect recurring people, tags, and places into source-traceable storylines calculated on device.
Create a printable PDF yearbook, a Year-in-Review video, or a portable CSV export.
Archive Integrity
Check the archive you are building
Archive Integrity scans for duplicate days, missing photo or audio files, future-dated moments, empty entries, broken people links, and unrecognized mood values. The scan stays on your device and never changes or deletes anything automatically.
Open affected moments for review, rescan after making changes, or export a dates-and-counts report that excludes journal text, photos, and audio.
Privacy
Private by design
Onceday has no account, advertising, tracking, subscription, or developer-operated cloud service. Journal content stays in the app on your device unless you explicitly export or share it. Face ID, Touch ID, or the device passcode can protect the app, and an offline backup gives you a portable copy you control. See the privacy policy.