Comparison

iomatrix vs QuadTask

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

Head to head
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

About

QuadTask

Read full description

QuadTask is a simple, focused task manager built around the world-famous Eisenhower Matrix. Sort your tasks across the four quadrants of "Urgency x Importance" - a method popularized by Stephen Covey's "7 Habits of Highly Effective People" - so you can focus on what truly matters. [Who is this for?] - You have too much on your plate and feel overwhelmed - You spend all day firefighting urgent tasks - You want to invest more time in "important but not urgent" work - You've tried other task apps but couldn't stick with them [Key features] - Quick capture: jot down ideas in seconds with the top input - Drag uncategorized tasks into a quadrant - Set due dates and notifications - Review with completion history and weekly stats - Built-in guide explaining the Eisenhower Matrix - NEW: Google Calendar sync (Premium only) Tasks with a due date sync automatically to Google Calendar. Tasks created on iPhone appear on iPad too. [The 4 Quadrants] I. Urgent x Important -> Do now II. Important x Not urgent -> Plan (the most important) III. Urgent x Not important -> Delegate IV. Neither -> Drop [Premium plan] - The free plan allows up to 10 active tasks. Premium lifts this limit. - Google Calendar sync is also Premium-only. (Auto-renewing subscription. Cancel anytime in Settings.) - By default, all your data stays on your device. Only when you enable Google Calendar sync (opt-in) are your dated tasks sent to Google Calendar. [Languages] Japanese, English, Simplified Chinese, Korean. Get your mind in order - with QuadTask. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://abstracted-shoemaker-1dd.notion.site/QuadTask-2c44a06323ed8008b325dfe918d4f2b5

Screenshots

iomatrix4 screens
QuadTask4 screens

Verdict

The call

The clearest difference is in-app purchases: iomatrix at none against QuadTask's 1. iomatrix also leads on device support (5 vs 3). QuadTask's advantage is update cadence (every 2 days vs every 6 days) and iOS requirement (13.0 vs 26.0). On price and ads 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. QuadTask sells 1 in-app purchase, starting at $2.99 per month. iomatrix asks for nothing beyond the download.

UpkeepUpdate frequency

iomatrix ships an update every 6 days, QuadTask every 2 days. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

Scorecard4 real differences ยท 4 level
iomatrix versus QuadTask: the parameters behind the verdict, then further details
ParameteriomatrixQuadTask
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 6 daysEvery 2 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
MonetizationFreeโ€”
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro โ€” betteriPhone, iPad, iPod
Requires iOS26.013.0 โ€” better
Further details โ€” not scored
Size27 MB22 MB
Age rating4+4+
DeveloperJoonhee ChoTomohiko Yasui

In-app purchases

None

iomatrix

No in-app purchases

1 purchases

QuadTask

Subscriptions1
  • Premium Monthly$2.991 Month

Questions

Is iomatrix free?
iomatrix is free to download, with no in-app purchases.
Is QuadTask free?
QuadTask is free to download, with in-app purchases available.
Do iomatrix or QuadTask have ads?
Neither iomatrix nor QuadTask shows ads.
Which is updated more often, iomatrix or QuadTask?
iomatrix ships an update every 6 days, and QuadTask every 2 days. Most recently, iomatrix was updated on September 28, 2026 and QuadTask on October 1, 2026.

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