Visual time blocking
Duration-proportional cards make your day tangible at a glance.
Built for iPhone · iOS 17+
Plan your day around your energy, not just your time.
Kahya maps your body's natural 24-hour rhythm and schedules your tasks into the right energy windows — deep work at your peaks, easy wins in your slumps. One beautiful timeline. Zero blank-page paralysis.
- ✓ Free to start
- ✓ No account needed
- ✓ Private by design
⚡ Peak Focus · 10:17
🌙 Wind down · 23:00
✨ AI scheduled 8 tasks
Circadian Energy
Your energy has a rhythm.
Your body runs on a built-in 24-hour clock. Alertness climbs to two daily peaks and sinks into a midday slump. Kahya draws your personal wave — and plans around it.
A Day in Your Body
07:00 – 23:00
6 AM12 PM6 PM
Morning Peak
Midday Slump
Afternoon Peak
Deep work at your peaks
Kahya places your hardest tasks inside your two daily focus peaks — when your brain is sharpest.
Beat the afternoon slump
Light tasks and recovery breaks land in your natural dip, so you stop fighting your biology.
The curve adapts to you
Set your own sleep schedule — weekdays and weekends — and the whole wave reshapes day by day.
Visual Timeline
Your whole day, on one beautiful wave.
A glassmorphic vertical agenda with the energy curve flowing right behind it. Drag any task to reschedule — it snaps to a clean 15-minute grid — and watch overlaps and sleep conflicts flag themselves instantly.
- Drag-to-schedule onto a precise 00:00–24:00 grid.
- Energy wave overlay shows peak, slump and rebound windows.
- Sleep boundaries render as draggable wake & bedtime rows.
- Day · week · month navigation with a one-tap “Today” jump.
AI Day Planner
Describe your day. Watch it build itself.
Tell Kahya what you need in one sentence — “plan a whole day trip to New York next Wednesday” — and it drafts a complete, energy-aware schedule in seconds. You review and approve every single change.
Plan a focused morning of deep work
Here's your morning, built around your 10:17 peak ✨
Deep Work · Strategy doc
09:30
Inbox & quick replies
11:45
- Every change is reversible — per-task and “undo all”.
- Privacy-gated — your name, contacts & location are never sent.
Everything you need
A planner that works the way your brain does.
Circadian energy engine
Tasks carry an energy need and align to matching windows automatically.
AI day planner
Conversational scheduling that adds, edits and reshapes your day.
Recurring routines
Daily, weekly, monthly or custom — generated 90 days ahead.
Calendar & reminders
Import Apple Calendar events and Reminders, de-duplicated and synced.
Productivity insights
Streaks, completion trends and sleep-vs-focus correlation charts.
Smart sleep goals
Separate weekday & weekend rhythms reshape your curve per day.
Home & lock widgets
Up Next and Agenda widgets keep your plan one glance away.
Local backup
Export & restore your whole plan as a private JSON file.
Backlog & Tasks
Clear your mind. Capture every idea.
A calm, category-grouped backlog for everything that isn't scheduled yet. One-tap quick-add templates, fuzzy search, subtasks and a 3-step editor make capture effortless — then drop tasks onto the timeline when you're ready.
- 8 smart categories seeded and ready, fully customizable.
- Quick-add templates for your most common tasks.
- Subtasks, notes, icons & colors on every task.
Themes
Four moods, tuned to your energy.
Every preset reshapes the accents across your whole timeline. Light, dark or system — your call.
Aurora MorningPink ·
default
Noon VitalityWarm
orange
Twilight CalmLeaf
green
Midnight
ForestViolet
The runway
Watch every screen take the stage.
Organic glassmorphism, soft shadows and an inner-glow on every surface — on parade.
Kahya Pro
Unlock your sharpest days.
Start free, forever. Go Pro when you're ready for the full power-up.
Free
- ✓ Visual timeline planning
- ✓ Task backlog & categories
- ✓ Circadian energy wave
- ✓ Themes, stats & backup
Pro
Everything in Free, plus
- ✦ AI day planner
- ✦ Recurring routines
- ✦ Calendar & reminders sync
- ✦ Free trial to try it all