Kaizen - Tasks & Calendar
AI Planner, Tasks & Time Block
Free · In-App Purchases · Designed for iPad
Stop ending the day feeling unaccomplished. Kaizen brings your tasks, calendar, Kanban & AI into one app on iOS, Android & Web. Try free - your future self will thank you
End your day feeling done — not buried.
88% of people go to bed feeling unaccomplished. Not because they didn't work hard, but because their tools fight them: a to-do list in one app, a calendar in another, a Kanban board in a third, and an AI chat in a fourth. Nothing talks to anything.
Kaizen brings it all into one app that you actually want to open.
→ TIME-BLOCK YOUR DAY, NOT JUST LIST IT
Drag tasks straight onto your calendar. See your real day — to-dos AND time blocks — side by side on a split screen (iPad/large screens). No more "I have 17 to-dos and 6 hours, what now?" — Kaizen shows you when, not just what.
→ AI THAT ACTUALLY KNOWS YOU
You can use Kaizen's build in AI assistant or work with frontier models through MCP. Set persistent instructions ("Be blunt", "Push me on my side project", "Cut me slack on Fridays") and the AI shapes itself around you instead of you adapting to it. Brain-dump out loud, get a structured plan back.
→ KANBAN WHEN A LIST ISN'T ENOUGH
Every project gets a board view. Drag tasks through Backlog → Doing → Done. Perfect for side projects, course work, and creative work where a flat list doesn't fit.
→ LIFE TIERLIST: SEE WHAT ACTUALLY MATTERS
Hidden behind a long-press on the calendar icon: rank the areas of your life — Career, Health, Family, Learning, Side Project, ... — into a visual hierarchy. When you don't know what to work on, your tierlist answers for you. No other planner does this.
→ MAKE IT YOURS — REALLY YOURS
Backgrounds per page. Custom fonts, sizes, icons. Opacity and blur per element. Custom colors. Windowed mode on larger devices. Most planners give you "dark mode and three theme colors." Kaizen gives you a workspace that feels like it was built for your brain.
WHO IT'S FOR
• Employees juggling work, life and a side project
• Founders and freelancers who can't afford a messy day
• Students whose calendar and homework live in different worlds
• Anyone who's tried five planners and bounced off all of them
WHAT YOU GET WITH UNLIMITED
- Unlimited tasks, folders, and task lists
- Calendar with day, week, month views
- Drag-and-drop time blocking
- Kanban board per project
- Habit-style recurring tasks and reminders
- iOS, Android, and Web — synced
- Life Tierlist
- Deep customization (backgrounds, opacity, blur, custom fonts)
- Import/export your data anytime
AI UNLOCKS
- Kaizen AI with persistent instructions + MCP for Claude/ChatGPT
- Speech task creation
WHY "KAIZEN"
Kaizen (改善) is the Japanese practice of getting 1% better, every day. Not a productivity hack. A way of building a life that compounds.
START TODAY
Spend 60 seconds importing your existing tasks. Block tomorrow morning. Notice the difference by Friday.
Have an idea? Tap "Suggest a feature" in settings — we read every one.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
What's new in 8.0.0:
→ Massive UI & UX overhaul for a smoother, cleaner experience
→ New and improved animations throughout the app
→ Custom date formats (thank you for the suggestion!)
→ A fresh round of bug fixes and performance tweaks
Thanks for using Kaizen.
The developer, Lennard Zieten, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Lennard Zieten
- Size
- 176.2 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Kaizen AI ₱ 3,990.00
- Kaizen AI ₱ 799.00
- Kaizen Unlimited ₱ 2,490.00
- Kaizen Unlimited ₱ 499.00
- Kaizen Pro - Lifetime ₱ 9,990.00
- Kaizen Pro - Annual ₱ 2,290.00
- Kaizen Pro - Monthly ₱ 199.00
- Copyright
- © 2025 Kaizen Development