4Quadrants vs iomatrix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4Quadrants
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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 deadlines—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.
iomatrix
Prioritize your tasks using the Eisenhower Matrix. Sort tasks into Do, Schedule, Delegate, or Delete quadrants to focus on what truly matters. Integrates with Apple Calendar and offers on-device Apple Intelligence for voice input.
- Eisenhower Matrix task sorting
- Quick task add with details
- Drag-and-drop task management
- Calendar integration with Apple Calendar
- On-device Apple Intelligence for voice input
- Workspaces for project separation
- Completion heatmap and widgets
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iomatrix is an Eisenhower Matrix task manager that helps you stop reacting and start prioritizing. Sort every task into four quadrants — Do, Schedule, Delegate, Delete — and focus on what matters. Native on iPhone, iPad, Mac, and Apple Watch, with widgets and on-device Apple Intelligence. THE EISENHOWER MATRIX - Do — Urgent & Important: handle these first - Schedule — Important, Not Urgent: plan ahead - Delegate — Urgent, Not Important: hand off - Delete — Neither: let it go TASK MANAGEMENT - Quick add with quadrant, workspace, due date, notes, and links with auto-fetched titles - Drag between quadrants, or into Notes, Mail, and Messages as text - Backlog for undecided tasks, Archive for finished ones - Calendar in four views, with your Apple Calendar events beside your tasks - Day timeline: schedule a task into a free hour and it lands in Apple Calendar - Daily reminder for today's due and overdue tasks SIRI & APPLE INTELLIGENCE - "Add a task to iomatrix" — Apple Intelligence turns a sentence into structured tasks, on device - Say several tasks at once; quadrant, due date, and workspace are inferred - Find and complete tasks by voice; every action works in Shortcuts - Without Apple Intelligence, your phrase is still saved as a task WORKSPACES - Separate work, personal, and projects, and filter the whole matrix by one - 10-color palette; archive a workspace when the project wraps - Three workspaces free; more with Pro HEATMAP & WIDGETS - GitHub-style completion heatmap that fits any screen and scrolls back two years - Widgets: matrix summary, quadrant lists, 2×2 grid, and heatmaps, including an extra large size that fills a Home Screen page - Lock Screen widgets and Apple Watch complications IOMATRIX PRO — ONE-TIME PURCHASE Everything above is free. Pay once, with no subscription, to unlock on iPhone, iPad, and Mac: - Routines — repeating tasks that come back on schedule (your first routine is free) - Workflow — link tasks as before / after / related and see them as a flow diagram - Pairwise Prioritization — compare two tasks at a time, then apply the ranking to your matrix - Voice Capture — speak freely and on-device transcription turns it into a task - Unlimited workspaces and custom workspace colors - Quadrant customization — rename and recolor quadrants, and choose from nine color themes (two are free) Used iomatrix before version 1.14? Every Pro feature stays free for you. EVERYWHERE YOU WORK - iPhone & iPad: drag-and-drop matrix with gesture shortcuts - Mac: menu bar widget, a separate Workflow window, and keyboard shortcuts - Apple Watch: matrix, backlog, quick add, and edit on your wrist - CLI: add, list, complete, move, edit, and delete from the terminal SYNC & PRIVACY - iCloud sync across your devices through your personal iCloud account - No data collected by the developer, no third-party servers, no ads - Works offline; purchases are handled by Apple Available in English, Korean, Japanese, Simplified Chinese, and Spanish. A short walkthrough on first launch shows you around. Build better focus habits — one quadrant at a time. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.cr8rcho.com/projects/iomatrix/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: 4Quadrants at none against iomatrix's 1. iomatrix's advantage is device support (5 vs 2). On price, update cadence, ads and iOS requirement 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
Both are free to download. iomatrix sells 1 one-off in-app purchase. 4Quadrants asks for nothing beyond the download.
4Quadrants ships an update every 6 days, iomatrix every 5 days. The most recent releases landed on November 13, 2026 and November 11, 2026 respectively.
| Parameter | 4Quadrants | iomatrix |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 days | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Apple Watch, Vision Pro — better |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | 颢宸 唐 | Joonhee Cho |
In-app purchases
4Quadrants
No in-app purchases
iomatrix
- iomatrix Pro$14.99









