Comparison

4Quadrants vs iomatrix

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

4Quadrants

Features
Read full description

FourQuadrants is an efficiency tool built on the proven "Eisenhower Matrix" method. Stop drowning in endless to-do lists and instantly recognize what truly matters right now. Core Features: - Quadrant View: A clean, intuitive grid layout that makes prioritization effortless. - Smart Automation: Automatically determines urgency based on deadlinesโ€”no manual sorting needed. - Drag & Drop: Seamlessly move tasks between quadrants, and let the system intelligently adjust priorities. - Live Activity: Track your current focus directly from the Lock Screen. - Home Screen Widgets: View your most critical tasks without even opening the app. - Privacy First: Your data stays yours, leveraging iCloud and local storage. This is an early public beta. We welcome your feedback! Make every second count towards what's important.

About

iomatrix

Organize your life using the Eisenhower Matrix framework. Prioritize tasks by urgency and importance, manage them across custom workspaces, and visualize your productivity with a unique heatmap. Seamlessly syncs across Apple devices.

Highlights
  • Eisenhower Matrix prioritization
  • Customizable workspaces
  • GitHub-style activity heatmap
  • Cross-platform Apple device support
  • iCloud sync and offline access
  • Home and Lock Screen widgets
Features
Read full description

iomatrix is an intuitive task management app built around the Eisenhower Matrix โ€” the proven prioritization framework used by leaders worldwide. Organize your tasks into four quadrants based on urgency and importance, and focus on what truly matters. THE EISENHOWER MATRIX Prioritize with clarity using four quadrants: - Do: Urgent & Important โ€” handle these first - Schedule: Important but Not Urgent โ€” plan ahead - Delegate: Urgent but Not Important โ€” hand these off - Delete: Neither Urgent nor Important โ€” 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 โ€” 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

Screenshots

4Quadrants2 screens
iomatrix4 screens

Verdict

The call

The clearest difference is device support: iomatrix at 5 against 4Quadrants's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

4Quadrants ships an update every 6 days, iomatrix every 4 days. The most recent releases landed on September 17, 2026 and August 28, 2026 respectively.

Scorecard1 real difference ยท 7 level
4Quadrants versus iomatrix: the parameters behind the verdict, then further details
Parameter4Quadrantsiomatrix
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 6 daysEvery 4 days โ€” better
AdsNoNo
In-app purchasesNoNo
Monetizationโ€”Free
DevicesiPhone, iPadiPhone, iPad, Mac, Apple Watch, Vision Pro โ€” better
Requires iOS26.026.0
Further details โ€” not scored
Size6 MB14 MB
Age rating4+4+
Developer้ขขๅฎธ ๅ”Joonhee Cho

In-app purchases

None

4Quadrants

No in-app purchases

None

iomatrix

No in-app purchases

Questions

Is 4Quadrants free?
4Quadrants is free to download, with no in-app purchases.
Is iomatrix free?
iomatrix is free to download, with no in-app purchases.
Do 4Quadrants or iomatrix have ads?
Neither 4Quadrants nor iomatrix shows ads.
Which is updated more often, 4Quadrants or iomatrix?
4Quadrants ships an update every 6 days, and iomatrix every 4 days. Most recently, 4Quadrants was updated on September 17, 2026 and iomatrix on August 28, 2026.

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