Comparison

TimerStamp vs iomatrix

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

Head to head
About

TimerStamp

Features
Read full description

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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 — 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 — 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

Screenshots

TimerStamp3 screens
iomatrix4 screens

Verdict

The call

The clearest difference is update cadence: iomatrix at every 4 days against TimerStamp's every 7 months. iomatrix also leads on device support (5 vs 2). TimerStamp's advantage is iOS requirement (18.1 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

TimerStamp ships an update every 7 months, iomatrix every 4 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
TimerStamp versus iomatrix: the parameters behind the verdict, then further details
ParameterTimerStampiomatrix
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 7 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, Mac, Apple Watch, Vision Pro — better
Requires iOS18.1 — better26.0
Further details — not scored
Size3 MB27 MB
Age rating4+4+
DeveloperYeseul LeeJoonhee Cho

In-app purchases

None

TimerStamp

No in-app purchases

None

iomatrix

No in-app purchases

Questions

Is TimerStamp free?
TimerStamp is free to download, with no in-app purchases.
Is iomatrix free?
iomatrix is free to download, with no in-app purchases.
Do TimerStamp or iomatrix have ads?
Neither TimerStamp nor iomatrix shows ads.
Which is updated more often, TimerStamp or iomatrix?
TimerStamp ships an update every 7 months, and iomatrix every 4 days. Most recently, TimerStamp was updated on October 30, 2026 and iomatrix on November 5, 2026.

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