Block It Out vs Matrix ToDo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Block It Out
This app automates calendar synchronization across multiple accounts, ensuring you're never double-booked. It protects your privacy by blocking busy times without revealing personal event details, all while operating seamlessly in the background.
- Automated event blocking
- Privacy protection for events
- Seamless background synchronization
- Customizable shadow event titles
- Flexible filtering options
- Support for recurring events
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Block It Out is the easiest way to make sure you're never double-booked again across multiple accounts. Automatically convey availability and protect your privacy with no manual effort. Block It Out uses intelligent event blocking and performs seamless synchronization behind the scenes. Best of all, it does this without talking to the cloud or any external services. Privacy-First Design • Block out busy time in work calendars without revealing personal event details • Create "shadow events" that show you're busy without exposing sensitive information • Customize shadow event titles to maintain professional boundaries Smart Sync Rules • Set up automated rules to sync between any calendar accounts • Choose source calendars and target destination calendars • Advanced filtering options to sync only specific events • Supports recurring events with full recurrence pattern preservation Flexible Filtering • Filter events by title, duration, or custom conditions • Advanced users get hierarchical AND/OR logic for complex rules • Create sophisticated event matching patterns Seamless Background Operation • Automatic background synchronization keeps calendars updated • Real-time notifications when sync operations complete • Works across all your calendar accounts (iCloud, Google, Exchange, etc.) Perfect for Work-Life Balance • Sync personal appointments to work calendar as "busy" blocks • Maintain calendar privacy while ensuring scheduling conflicts are avoided • Professional appearance with customizable shadow event templates Perfect for Work-Work Balance • Consultants: sync your availability across competing clients • Founders: maintain clear availability across your multiple ventures, or your day job and your side hustle • Executives: give your EA access to availability across external commitments without divulging sensitive information Subscription Tiers • Free: 1 sync rule to demonstrate basic functionality • Essential: Up to 2 rules, with privacy filtering and custom shadow titles • Advanced: Unlimited rules, multiple destinations, advanced conditions, rollback capabilities, and custom templates Advanced Features (Advanced Tier) • Multiple destination calendars per rule • Custom shadow event templates and reminders • Transaction rollback system for safe operations • Hierarchical rule logic with AND/OR groups • ...and more! Whether you're coordinating between personal and work calendars, managing multiple business accounts, or simply want to maintain privacy while staying organized, Block It Out provides the automation and control you've needed since the whole thing went digital. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://block-it-out.com/privacy.html
Matrix ToDo
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Matrix ToDo is a simple 4-quadrant task management app for people who struggle with prioritizing tasks and staying focused. Just sort your tasks into four simple categories: “Do Now,” “Schedule,” “Clear Soon,” and “Eliminate.” By organizing tasks by importance and urgency, you can see what you should do today and focus on what truly matters. Perfect for: • People who struggle to prioritize tasks • People who often procrastinate • People who feel overwhelmed by too many things to do • People who have ADHD tendencies and find task management difficult • People who cannot stick with regular ToDo apps • People looking for a simple and focused task management app Main Features: • Organize tasks with the importance × urgency matrix • Simple and intuitive task creation and editing • Clean and minimal design • Works offline • Dark mode support Organize your tasks, reduce procrastination, and focus on what matters now. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Block It Out at none against Matrix ToDo's shown. Block It Out also leads on device support (3 vs 1). On price, update cadence, in-app purchases 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. Block It Out sells 2 in-app purchases, starting at $4.99 per month and Matrix ToDo sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Block It Out ships an update every 10 days, Matrix ToDo fortnightly. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.
| Parameter | Block It Out | Matrix ToDo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.5 — better | 16.4 |
| Further details — not scored | ||
| Size | 11 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Isaiah Weiner | TSUBASA SATO |
In-app purchases
Block It Out
- Block It Out - Essential$4.991 Month
- Block It Out - Advanced$19.991 Month
Matrix ToDo
- Pro Monthly$1.991 Month
- Pro Yearly$9.991 Year
- Remove Ads$17.99









