iomatrix is made and published by Joonhee Cho. AppBrain is an independent app data site and isn't affiliated with Joonhee Cho. The app name, icon, screenshots and description belong to Joonhee Cho and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 5.00
- 1 ratings
- Last updated
- October 27, 2026
- Size
- 27.3 MB
It doesn't have enough ratings yet to judge what users think.
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Store listing
By Joonhee Cho, from the App StoreDescription by Joonhee Cho Written by the developer, not by AppBrain. Click to read.
THE EISENHOWER MATRIX
Prioritize with clarity using four quadrants:
- Do: Urgent & Important — handle these first
- Schedule: Important but Not Urgent — plan ahead
- Delegate: Urgent but Not Important — hand these off
- Delete: Neither Urgent nor Important — let these go
TASK MANAGEMENT
- Quick Add: Create tasks instantly with title, quadrant, and optional details
- Drag & Drop: Move tasks between quadrants or reorder within them
- Due Dates: Set deadlines with date and time reminders
- Notes: Add detailed notes to any task
- Links: Attach multiple URLs with auto-fetched titles
- Backlog: Park undecided tasks in a dedicated backlog area
- Archive: Browse completed tasks grouped by date
WORKSPACES
Organize tasks across different areas of your life:
- Create custom workspaces with unique colors
- Filter your matrix by workspace
- Archive workspaces when projects are complete
- 9-color palette for easy visual distinction
ACTIVITY HEATMAP
Visualize your productivity:
- GitHub-style heatmap showing daily task completion
- Per-workspace heatmaps with custom colors
- Summary statistics (total and last 30 days)
- Configurable week start (Sunday/Monday)
CROSS-PLATFORM
Seamlessly works across your Apple devices:
- iPhone: Full matrix view with drag-and-drop
- Mac: Native macOS app with menu bar widget
- Apple Watch: View, add, edit, and manage tasks from your wrist
- Widgets: Home screen, Lock Screen, and watch face widgets
SYNC & PRIVACY
- iCloud Sync: Your tasks stay in sync across all devices
- Privacy First: All data stored in your personal iCloud — no third-party servers
- Offline Ready: Works without internet, syncs when connected
WIDGETS
Stay on top of your tasks at a glance:
- Small: 2x2 quadrant count grid
- Medium: Horizontal summary with labels
- Large: Full card layout with task counts
- Lock Screen: Inline and rectangular accessory widgets
- Watch Face: Circular, rectangular, corner, and donut chart complications
Terms of Use:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy:
https://www.cr8rcho.com/projects/iomatrix/privacy
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 27.3 MB
- Content rating
- Everyone
Technologies used by iomatrix
Releases
Updates seen on the App Store- Version
- 1.13.0
- Launched
- March 2026
No changelog data
Alternatives
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Rankings
App Store top chartsApp Store Rankings for iomatrix
About the app and developer
About iomatrix
iomatrix is a productivity app developed by Joonhee Cho.
What is the rating of iomatrix?
iomatrix is rated 5.00 out of 5 stars, based on one rating ratings.
Is iomatrix free?
iomatrix is free. The app size is 27.34 MB. The latest version available is 1.13.0. The last update was on October 27, 2026.
What are the requirements for iomatrix?
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
Developer information for Joonhee Cho
Address:
Frequently asked questions about iomatrix
Is iomatrix free?
Yes. iomatrix is free on the App Store.
Is iomatrix still available?
Yes. iomatrix is on the App Store, and the last update we saw was on October 27, 2026.
How large is iomatrix?
iomatrix is 27.34 MB.
Is iomatrix suitable for children?
App Store rates the content of iomatrix as suitable for everyone.
How do people rate iomatrix?
iomatrix has one rating of 5.00 stars on the App Store.
Who made iomatrix?
iomatrix was developed by Joonhee Cho. It is listed in the productivity category on the App Store.
What are the best alternatives to iomatrix?
People looking at iomatrix also look at these productivity apps: openote: Markdown Notes & Sync, KwikList, TRIX: Eisenhower Task Planner, Todo Matrix - Task Reminder, Todo Checklist - TodayDo.
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