Hibi
Calendar app for iOS (and eventually iPadOS / macOS). Started 2026-04-18.
- Name: Hibi (日々 — “days”). Previously considered Karl.
- Repo: https://github.com/AlexW00/hibi
- Status: Early prototype. iOS version has vertical scrolling + gesture-driven navigation.
Concept
A calendar that feels nice to interact with on iOS: vertical scrolling, smooth gestures, restrained visual design. Multi-platform via shared SwiftUI codebase (iOS first, then iPadOS/macOS).
Initial build (2026-04-18)
First implementation session. Built with heavy use of Claude Code plus the then-new Claude Design feature — reportedly a good fit for iterating on the visual design.
Platform scope
- iOS — primary. Gestures + vertical scrolling already working.
- iPadOS / macOS — planned. Requires layout adjustments (larger canvas, pointer/keyboard affordances). See cross-platform memo.
MVP scope — open questions
- Notifications — own the reminder UX in-app, or rely on Apple Calendar / EventKit alerts? See notifications + calendar management memo. Leaning: Hibi owns it.
- Calendar management (CRUD) — create/edit calendars, not just events. Likely in-scope for MVP.
- Permission setup screen — dedicated onboarding step requesting calendar, notifications, and (maybe) location up-front. See permission setup memo.
Naming
- Karl — first working name (2026-04-18-Cross-platform calendar app). Rejected.
- Hibi (日々) — chosen 2026-04-19 (2026-04-19-Calendar app named Hibi). Japanese for “days”; fits the daily-scrolling UX.
Related
- Projects — parent index.
- 2026-01-06 - Andrej Karpathy Software Is Changing (Again) — context for building with Claude Code.
- Comparable iOS apps built by the same developer: AI Shortcuts, Beat Kanji, Zettel (see Projects).