Daybook
One line a day, kept private on your iPhone.
Write a single line about your day and Daybook turns years of them into a quiet timeline: same day last year, monthly look-backs and a Lock Screen prompt.
- Estimated window
- Closed beta: 2027 Q1
- Confidence
- Medium confidence
- Progress
- 15%
Estimates are ranges, not delivery guarantees. Contractual wait limits and refunds are defined separately in the terms.
Placeholder mark · not the final icon
- Problem
- Journaling apps ask for pages; most people only have a sentence.
- Scope
- One-line entries, on this day, monthly recap, widget, iCloud sync. No account.
- Estimated effort
- Low — our team, roughly 3 months
Where it is on the line
Discovery & scope
Discovery · 2–3 weeks
- 2
Name, icon & screen votesNow
Design · +3–5 weeks
- 3
Working prototype
Prototype · +4–6 weeks
- 4
Closed beta (founder priority)
Closed beta · +6–10 weeks
- 5
App Store review
Store review · +1–3 weeks
Every change, with its reason
Old estimates stay visible. Each revision shows what changed, why, and when the next update is due.
No estimate changes yet. The first estimate is the one shown above.
Daybook updates
No public updates for this app yet. Founders get a weekly log in the club.