Calendar
Map your life.
State
- Written
- Written & exercised
- Unwritten
- Reminder waiting
Marks
- One event
- Multiple events
- Today
Chronicle
Preserve your memories.
Patterns
Analyse the cadence of your existence.
Widget
Admire the moon.
Morphological cursor
Tilts for italics. Thickens for bold.
00:24 — Once upon a time I saw a hue of blue so transcendentally beautiful and bright it made me think the filaments of heaven itself had finally been struck alight.
Integrated terminal
Commands from the page. The specimen shows four commands: !remindme sets a reminder for tomorrow, /reminders lists the reminders waiting, /similar finds entries like the one above, and /moon shows the day’s moon phase.
12:24 — this is the marble index of a mind, forever, voyaging through strange eons of thought, alone
!remindme tomorrow
Apple Reminders
Natural language date parsing†
- friday after next: Friday 30 October 2026
- 5/8: Saturday 8 May 2027 or Thursday 5 August 2027; 5 August 2027 chosen, day first from now on
- 12/1: Tuesday 12 January 2027, read day first
- 3 days ago: Wednesday 14 October 2026
- july 4: Sunday 4 July 2027
- 15–20 oct: 15–20 October 2026
- early march: 1–10 March 2027
- mondays until christmas: Mon 19 Oct, Mon 26 Oct, Mon 21 Dec
From version 1.0.3.
Contextual typography
Glyphs evolve based on probable intention and typographic convention.
- +/-: ±
- ->: →
- ...: …
- 417K: lining figures
- don't: don’t
- '90s: ’90s
Search by meaning.
Years of entries become a queryable manifold of embeddings, computed on your Mac.
Ambient vocabulary enrichment
Distilling intricate words from Editions and elsewhere. 100+ such definitions surface intermittently in the footer.
- noctilucent
- of the highest clouds, visible only in deep twilight, lit by a sun already below the horizon
- sexagesimal
- reckoned in sixties, as the minutes of an hour and the degrees of a circle
- hypnagogic
- relating to the drowsy, transitional state between waking and sleep
- velarium
- the great awning drawn over a Roman amphitheatre to shade the crowd
- nychthemeron
- a full period of a day and a night together, twenty-four hours
- cymophane
- cat's-eye chrysoberyl, a yellow-green gem crossed by one wavering band of light
In Aion, time has colour.
Every minute of the day has its own hue.
$29‡
One-time purchase.
Available on the App Store.
US dollars. The App Store sets local prices.
| Platform | macOS 15.6 or later |
| Architecture | Apple silicon & Intel |
| Dependencies | None |
| Network | Not required |
| Data format | JSON, human-readable |
| Export | Text · Markdown · PNG |
Release notes via email.