Comparison

iomatrix vs openote

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

openote

Features
Read full description

openote โ€” Markdown notes with free sync. No account. No subscription. Other note apps charge a yearly fee just to sync your own devices. openote syncs iPhone, iPad and Mac through your iCloud Drive โ€” free, with no account to create. Your notes stay plain .md files. Open them in the Files app or any Markdown editor, and take them anywhere. No proprietary format, no lock-in. --- WHY OPENOTE Free iCloud sync Notes sync through iCloud Drive on your own Apple account. No sign-up, no subscription. Plain Markdown files Every note is a standard .md file. Front matter, checklists and [[wiki links]] are kept exactly as you wrote them. Safe across devices If a note changes on another device while you're editing, openote keeps both versions instead of silently overwriting one. Your last words are saved even if you switch apps or quit right away. Mermaid diagrams Flowcharts, sequence diagrams and more render live from Markdown. Start from a template, pinch to zoom, tap to edit the code. Rendering works offline. On-device AI On devices with Apple Intelligence, summarize a note, get tag suggestions, or turn a sentence into a diagram. It runs entirely on your device โ€” nothing is sent to a server. --- FEATURES Editor - Rich Markdown editing, with a source mode when you want the raw text - Checklists, tables and code blocks - Auto-save - Word and character count Organize - Folders and #tags with autocomplete - [[Wiki links]] between notes - Full-text search in English, Korean and Japanese Sync & files - iPhone, iPad and Mac via iCloud Drive - Browse your notes in the Files app - Export a note as PDF Shortcuts & Siri - Create, open and search notes from Shortcuts and Siri - Notes appear in Spotlight search --- PRIVACY - No account, no email - No tracking - Your notes stay in your iCloud and on your devices - AI runs on your device Everything is free. openote has no in-app purchases. openote โ€” Your notes, your files.

Screenshots

iomatrix4 screens
openote4 screens

Verdict

The call

The clearest difference is update cadence: iomatrix at every 6 days against openote's every 5 weeks. iomatrix also leads on device support (5 vs 2). openote's advantage is iOS requirement (17.0 vs 26.0). On price, 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

iomatrix ships an update every 6 days, openote every 5 weeks. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

Scorecard3 real differences ยท 5 level
iomatrix versus openote: the parameters behind the verdict, then further details
Parameteriomatrixopenote
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 6 days โ€” betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro โ€” betteriPhone, iPad
Requires iOS26.017.0 โ€” better
Further details โ€” not scored
Size27 MB8 MB
Age rating4+4+
DeveloperJoonhee ChoWooyoung Kim

In-app purchases

None

iomatrix

No in-app purchases

None

openote

No in-app purchases

Questions

Is iomatrix free?
iomatrix is free to download, with no in-app purchases.
Is openote free?
openote is free to download, with no in-app purchases.
Do iomatrix or openote have ads?
Neither iomatrix nor openote shows ads.
Which is updated more often, iomatrix or openote?
iomatrix ships an update every 6 days, and openote every 5 weeks. Most recently, iomatrix was updated on September 28, 2026 and openote on September 30, 2026.

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