Bluebeam vs Block Calculators
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bluebeam
Access and collaborate on PDF documents directly from your mobile device. Communicate project updates with markups and work offline by syncing files. Seamlessly join live collaboration sessions and manage document revisions from the field.
- Real-time PDF collaboration
- Markup and annotation tools
- Offline file access
- Document syncing
- Studio Project management
- Live session joining
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Bluebeam for iOS keeps you connected to your teams and documents, so you can quickly access the information you need in the field and capture what matters for the office. - Communicate with markups using tools like callouts, text, clouds, and status indicators - Import your team's custom Tool Sets from Revu, so your standardized markups are ready to go in the field, even offline - Attach photos captured in the field directly to a markup, so supporting documentation stays organized without cluttering your drawings - Open your files stored on your device, Studio Projects, or Studio Sessions - Join Studio Sessions for live collaboration. If your connection drops, your changes sync when you're back online - Check out files in Studio Projects to make edits, then check them back in when you're ready - Work offline by syncing Project files ahead of time or opening PDFs stored on your device Whether you’re reviewing submittals, placing markups in the field, or tracking revisions with your team, Bluebeam gives you the flexibility to get the job done from anywhere.
Block Calculators
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Introducing Block Calculator, the must-have app for construction professionals, DIY enthusiasts, and anyone involved in building projects. Whether you're planning a new construction, renovating your home, or just curious about materials needed for a project, Block Calculator is here to simplify your workload and streamline the planning process. Key Features: Effortless Block Quantity Estimation: Easily calculate the number of concrete blocks needed for your project based on dimensions, including length, width, and height. Customizable Block Types: Choose from a variety of block types, such as standard concrete blocks, cinder blocks, or specialty blocks. The app adapts calculations accordingly. Precision Measurements: Input measurements in various units, including feet, meters, inches, or centimeters, ensuring flexibility and accuracy in your calculations. Area and Volume Calculations: Calculate the total surface area and volume of your construction project, providing a comprehensive overview of your material requirements. Seamless Project Planning: Plan your project efficiently by estimating the number of blocks needed for walls, foundations, or any other structural element. Cost Estimation: Get an instant estimate of the cost of materials based on current market prices. Save time and budget more effectively. We are committed to providing the best user experience. Expect regular updates with new features, block types, and improvements. Say goodbye to manual calculations and hello to efficiency with Block Calculator. Download the app now and embark on your construction projects with confidence and precision. Build smarter, build better!
Screenshots
Verdict
The clearest difference is price: Bluebeam at Free against Block Calculators's $2.99. Bluebeam also leads on update cadence (monthly vs every 2 months). Block Calculators's advantage is iOS requirement (12.0 vs 18.0). On ads, in-app purchases and device support 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
Bluebeam is free to download; Block Calculators costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Bluebeam ships an update monthly, Block Calculators every 2 months. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.
| Parameter | Bluebeam | Block Calculators |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 1.5 (392 ratings) — better | — |
| Positive reviews | 2.6% of reviews | — |
| Number of ratings | 392 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 288 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Bluebeam, Inc. | Kantaben Gorasiya |
Bugs and requests
Bluebeam
Reported bugs
28 issues- Markups fail to load or display correctly
- App deletes markups instead of saving them
- Documents wipe clean when reopened
- Files uploaded disappear from app
- Corrupted file errors when opening PDFs
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- Keyboard disappears during login
- Selection boundaries too large, preventing precise markup selection
- Apple Pencil input stops working intermittently
- Pen tool produces no line output despite input
- App crashes when opening large file sets
- Session documents fail to load
- Blank PDF pages displayed
- Scaling doesn't work properly
- Blue screen errors
- Markups missing after checkout and checkin
- Incomplete markups syncing between devices
- App freezes during document checkin
- Unable to add users to sessions
- Projects not showing up in app
- App crashes when opening Studio sessions
- Drawings won't load or open
- Markup placement doesn't correspond to tap location
- PDF goes blank when inserting callouts
- Constant logout requiring re-authentication
- Links to details don't work
- App crashes on older iOS versions
- Audio communication issues
- File synchronization failures
Requested features
25 requests- Restore measurement and scaling tools
- Add custom toolsets and tool libraries
- Implement bookmarks for document navigation
- Enable image embedding in callouts
- Add undo/redo functionality
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- Support multiple PDF tabs simultaneously
- Create stamp library with standardized markups
- Add dimension markup capabilities
- Allow local PDF file access and import
- Full Studio session integration
- Improve Apple Pencil responsiveness and precision
- Add eraser tool for pen markups
- Enable photo capture and attachment to markups
- Support Dropbox and cloud storage integration
- Add form field editing capabilities
- Implement punch list and defect tracking
- Add RFI creation functionality
- Support for custom columns and data fields
- Reset viewpoints feature
- Pen width and cloud shape customization
- Settings menu for preferences
- Better pen and drawing mechanics like Notability
- Ability to download session documents to device
- Support for opening PDF attachments from desktop
- Batch file upload capability
Block Calculators
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bluebeam
No in-app purchases
Block Calculators
No in-app purchases
Questions
Is Bluebeam free?
Is Block Calculators free?
Do Bluebeam or Block Calculators have ads?
Which is updated more often, Bluebeam or Block Calculators?
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