Washi tape your trips. Sticker your days. Polaroid your memories. The paper planner you always wished you kept — finally on your iPhone.
A 7×6 grid where every day cell holds a sticker, an event color dot, and a lunar-date murmur. Multi-day events become washi tape strips stretched across cells — real data, rendered as paper.
Calkku is a slot organizer, not a scheduler. Each event is a card with a left accent bar matching its category color, a title, a meta row (time · place · duration), and an optional Bullet-Journal marker (♥ ★ ! ✓).
Wraps gracefully on long titles. Place field optional. Tap to edit.
Polaroid photos, handwritten memos (떡메모지 style), stickers, stamps, and — if you have Apple Pencil — a full PencilKit drawing layer. All on a paper canvas with iOS 26 Liquid Glass chrome.
The month grid you already know — except each day holds stickers, handwritten memos, polaroid photos, and a washi-tape strip when the plan spans multiple cells. Tap any day and the canvas zooms in smoothly with iOS 18+ Zoom Transitions.
Trips, project sprints, birthday weeks — drag a strip across the days. It’s rendered on top of the cells (not buried inside them) and doubles as an event, so it shows in week view and powers the suggestion engine.
Round-trip safe import keeps your existing events intact. Reminders schedule local notifications. Widgets and a Lock-Screen Live Activity reflect today’s first event in the Calkku visual language.
When import or manual entry creates a multi-day event, Calkku suggests one tap to wrap it — never auto-applies. Customizable categories, bullet-journal markers, and full JSON export keep your data yours.
An iOS 26 calendar-decoration app. Each day cell in the month grid is a tiny scrapbook for stickers, memos, polaroid photos, and washi-tape spans. Apple Calendar import, widgets, Live Activity, and PencilKit handwriting included.
Productivity calendars render events as text bars. Calkku renders them as decorated cells you can tape, sticker, and photograph — while keeping all the productivity (EventKit import, reminders, widgets, Live Activity).
Yes. Core features (decorating, washi tape, widgets, Live Activity, import, statistics, drawing) are free. Optional: seasonal sticker packs (single purchase) + cloud-sync subscription (rolling out post-launch).
English, Korean (한국어), Japanese (日本語), Traditional Chinese (繁體中文), Simplified Chinese (简体中文). Adapts to your device language automatically.
No. Calkku has no server. Data stays on your device and (optionally) in your own Apple iCloud private database. No advertising SDKs, no analytics, no AI provider — Calkku does not call any AI service in current builds.
Korean abbreviation of 캘린더 꾸미기 (calendar decoration). Part of the "X꾸" cute-slang family (다꾸 = diary, 폰꾸 = phone, 백꾸 = bag).
Indirectly — if Google Calendar is connected to Apple Calendar on iOS, Calkku imports it via EventKit. Direct Google integration is on the roadmap.
Yes. iPad-adaptive layout shows all 7 days at once in week view, and Apple Pencil works natively with the PencilKit handwriting layer.
Calkku is made by Codeful, the studio behind Brillat and the Vibe Land collection. We make calm, opinionated apps for iOS 26. Calkku is our love letter to paper planners — and to the late-night habit of dressing up tomorrow.