EPUB Viewer Pro vs Diametric Builds
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EPUB Viewer Pro
Easily read EPUB files with this specialized application. It offers a convenient, fast, and safe reading experience for your digital books. A Mac version is also available for enhanced functionality.
- Read EPUB files
- Convenient reading
- Fast performance
- Safe usage
- Mac version available
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EPUB Viewer Pro is a specialized app which aims at open epub file. You can use it to read epub files conveniently, fast and safely. ● We have also developed a Mac version, which is more convenient to use and has more functions. Welcome to download it from the Mac App Store. ● Contact us If you have any questions, please feel free to contact us by email. Email address : tzq17888@163.com.
Diametric Builds
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Description: Take control of your projects with Project Manager, the ultimate app for efficient project management. Whether you're a professional project manager or someone looking to organize personal tasks, this powerful tool will help you stay organized, collaborate seamlessly, and meet your project goals. Key Features: Intuitive Task Management: Create, prioritize, and assign tasks effortlessly. Break down complex projects into manageable tasks and track their progress with ease. Team Collaboration: Foster effective teamwork by inviting team members, assigning roles, and sharing project updates. Real-time collaboration ensures everyone stays on the same page. Project Timeline: Visualize your project's timeline using Gantt charts or Kanban boards. Identify dependencies, set milestones, and monitor progress to ensure timely completion. Resource Allocation: Allocate resources efficiently to maximize productivity. Assign team members, equipment, and materials to tasks, and optimize resource utilization. Document Management: Store, share, and organize project documents in a centralized location. Access files from anywhere, collaborate on documents, and maintain version control effortlessly. Communication Hub: Streamline project communication with built-in messaging and discussion boards. Stay connected with your team, exchange ideas, and resolve issues promptly. Progress Tracking: Monitor project progress through insightful reports and analytics. Get a comprehensive overview of project performance, identify bottlenecks, and make data-driven decisions. Reminders and Notifications: Never miss a deadline with customizable reminders and notifications. Stay informed about task updates, approaching deadlines, and important milestones. Integration Capabilities: Seamlessly integrate with popular productivity tools like calendars, email clients, and file storage platforms. Sync project data across multiple platforms for enhanced efficiency. Security and Privacy: Protect your sensitive project information with robust security measures. Rest assured knowing that your data is encrypted and stored securely. Unlock your project's full potential with Project Manager and experience unparalleled project management efficiency. Download now and take control of your projects like never before!
Screenshots
Verdict
The clearest difference is update cadence: Diametric Builds at every 2 weeks against EPUB Viewer Pro's every 5 months. EPUB Viewer Pro's advantage is device support (4 vs 2). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.
EPUB Viewer Pro ships an update every 5 months, Diametric Builds every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | EPUB Viewer Pro | Diametric Builds |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (14 ratings) — better | — |
| Positive reviews | 84.1% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | 青青 余 | MARKS DZYN PRIVATE LIMITED |
In-app purchases
EPUB Viewer Pro
No in-app purchases
Diametric Builds
No in-app purchases
Questions
Is EPUB Viewer Pro free?
Is Diametric Builds free?
Do EPUB Viewer Pro or Diametric Builds have ads?
Which is updated more often, EPUB Viewer Pro or Diametric Builds?
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