Comparison

Block It Out vs Matrix ToDo

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

Head to head
About

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.

Highlights
  • Automated event blocking
  • Privacy protection for events
  • Seamless background synchronization
  • Customizable shadow event titles
  • Flexible filtering options
  • Support for recurring events
Features
Read full description

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

About

Matrix ToDo

Features
Read full description

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

Block It Out4 screens
Matrix ToDo4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Block It Out versus Matrix ToDo: the parameters behind the verdict, then further details
ParameterBlock It OutMatrix ToDo
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 10 days — betterFortnightly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.5 — better16.4
Further details — not scored
Size11 MB52 MB
Age rating4+4+
DeveloperIsaiah WeinerTSUBASA SATO

In-app purchases

2 purchases

Block It Out

Subscriptions2
  • Block It Out - Essential$4.991 Month
  • Block It Out - Advanced$19.991 Month
3 purchases

Matrix ToDo

Subscriptions2
  • Pro Monthly$1.991 Month
  • Pro Yearly$9.991 Year
One-time1
  • Remove Ads$17.99

Questions

Is Block It Out free?
Block It Out is free to download, with in-app purchases available.
Is Matrix ToDo free?
Matrix ToDo is free to download, with in-app purchases available.
Do Block It Out or Matrix ToDo have ads?
Matrix ToDo shows ads; Block It Out does not.
Which is updated more often, Block It Out or Matrix ToDo?
Block It Out ships an update every 10 days, and Matrix ToDo fortnightly. Most recently, Block It Out was updated on November 5, 2026 and Matrix ToDo on November 9, 2026.

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