OmniFocus 4 vs Chessvision.ai eBook Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OmniFocus 4
This task management application helps busy professionals organize and prioritize their work. It offers a unified interface across multiple Apple devices, allowing users to create, organize, and focus on tasks efficiently. A free trial is available.
- Unified interface across Apple devices
- Task creation and organization
- Perspectives Bar for navigation
- Focus mode for specific projects
- Secure, end-to-end encrypted sync
- Universal cross-platform purchase
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OmniFocus is powerful task management software for busy professionals. With tools to help tame the chaos, you can focus on the right tasks at the right time. Two-week free trial! OmniFocus 4 introduces a modernized, unified interface across Mac, iPhone, iPad, Apple Watch, and Apple Vision Pro. Centered around your task outline, OmniFocus 4 brings a consistent experience, optimized for each device type, to all of your Apple devices. Easily create tasks anytime–from anywhere–and organize them with projects, tags, and dates. Quickly navigate OmniFocus on any device using the Perspectives Bar, Quick Open, and Back and Forward history. With Pro, use Focus to help focus your attention on specific projects or folders, and customize OmniFocus to only display the information most relevant to you. New to OmniFocus? The simple, efficient OmniFocus 4 interface will help you discover and implement a trusted system that works and grows with you. Upgrading from a previous version of OmniFocus? In OmniFocus 4, discover enhanced versions of all the powerful task management features you already rely on, along with new features that will level-up your workflow. Omni offers a free and secure sync service, protected with end-to-end encryption, ensuring only devices you authorize can access your data. And now, for the first time ever, OmniFocus is available as a universal cross-platform purchase: get full access to OmniFocus 4 on your Mac, iPhone, iPad, Apple Watch, and Apple Vision Pro with a single license purchase. Accomplish more every day–anywhere you go–with OmniFocus 4.
Chessvision.ai eBook Reader
Transform chess eBooks into interactive learning tools. Instantly view board setups from diagrams with a double-tap. Organize your library, analyze positions with engines, and create study sheets.
- Interactive diagram analysis
- Organize chess eBooks
- Analyze with chess engines
- Create PDF study sheets
- Export to PGN
- Search and filter diagrams
- Discover related resources
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Make Your Chess Books Interactive and Elevate Your Study! Transform your chess books into an interactive learning experience with our smart eBook reader. Simply double-tap on any chess diagram, and see real-time board setups appear instantly on your mobile device - no manual input required! Study your chess books effortlessly, and bring every diagram to life in seconds. Key Features: Instant Interaction with Diagrams Double-tap on any diagram within your chess eBooks to view the exact board setup instantly. Make your study sessions more engaging and interactive without the hassle of manual entry. All Your Books in One Place Manage, organize, and sync your entire collection of chess books across all your devices - mobile and desktop. Always have your library ready, no matter where you are. Analyze with Powerful Chess Engines Evaluate positions using built-in chess engines. Analyze moves and strategies to deepen your understanding of every position and game you study. Create Beautiful Studies Select key positions from your books and easily create stunning PDF study sheets. Alternatively, export them to PGN for further analysis and sharing. Search and Filter Diagrams Looking for specific positions? Use advanced filters to search for diagrams across your books. Whether you're studying the French Defense or a specific endgame, you can find the exact positions you need. Discover Related Resources Automatically access related content, such as YouTube videos, Chessable courses, and Master’s games, directly from your books. Jump to the exact moment in a video where your position is explained, or explore games played by top players in similar situations. Read the Terms of Use here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Reader Subscription available in the app: $6.99/month ($49.99/year) -Unlimited Diagram Interactions -Unlimited Diagram Search Results Prices may vary based on your location.
Screenshots
Verdict
The clearest difference is rating: Chessvision.ai eBook Reader at 4.6 against OmniFocus 4's 4.0. Chessvision.ai eBook Reader also leads on iOS requirement (13.4 vs 18.2). OmniFocus 4's advantage is ratings volume (344 vs 7) and review sentiment (52% vs 33%). On price, update cadence, 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
Both are free to download. OmniFocus 4 sells 10 in-app purchases, starting at $9.99 per month and Chessvision.ai eBook Reader sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
Chessvision.ai eBook Reader holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: OmniFocus 4 has 344 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 52% of OmniFocus 4's written reviews are positive against 33% of Chessvision.ai eBook Reader's, so the app with the better star average is not the one people write more warmly about.
OmniFocus 4 ships an update every 3 weeks, Chessvision.ai eBook Reader monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | OmniFocus 4 | Chessvision.ai eBook Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (344 ratings) | 4.6 (7 ratings) — better |
| Positive reviews | 52.1% of reviews — better | 33.3% of reviews |
| Number of ratings | 344 — better | 7 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Mac, Apple Watch, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 18.2 | 13.4 — better |
| Further details — not scored | ||
| Size | 138 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | The Omni Group | Pawel Kacprzak |
Customer experience
OmniFocus 4
Chessvision.ai eBook Reader
Bugs and requests
OmniFocus 4
Reported bugs
6 issues- View options button not working consistently
- Custom perspectives not persisting in sidebar
- App crashing on launch
- Drag and drop functionality issues
- Incorrect task completion when adding new tasks
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- Inconsistent behavior when changing due dates
Requested features
6 requests- Markdown support in notes
- Gantt view for projects
- Ability to reorder perspectives in the sidebar
- Print to PDF with due dates and completed dates
- Natural language processing for task creation
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- Board view for projects
Chessvision.ai eBook Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OmniFocus 4
- Legacy Subscription$9.991 Month
- Legacy Subscription$99.991 Year
- Upgrade to v4 from v1-v3$37.49
- Upgrade v4 to Pro from v1-v3$37.49
- Unlock Standard (Mac Promo)$56.00
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- Unlock Standard$74.99
- Upgrade from Standard to Pro$74.99
- Upgrade to v4 Pro from v1-v3$74.99
- Unlock Pro (Mac Promo)$111.99
- Unlock Pro$149.99
Chessvision.ai eBook Reader
- Chessvision.ai eBook Reader$6.991 Month
- Chessvision.ai eBook Reader$49.991 Year
Questions
Is OmniFocus 4 free?
Is Chessvision.ai eBook Reader free?
Which has better reviews, OmniFocus 4 or Chessvision.ai eBook Reader?
Do OmniFocus 4 or Chessvision.ai eBook Reader have ads?
Which is updated more often, OmniFocus 4 or Chessvision.ai eBook Reader?
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