Comparison

Bluebeam vs Corabuild

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

Head to head
About

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.

Highlights
  • Real-time PDF collaboration
  • Markup and annotation tools
  • Offline file access
  • Document syncing
  • Studio Project management
  • Live session joining
Features
Read full description

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.

About

Corabuild

This app streamlines jobsite project management for custom home builders and trades. It keeps teams aligned on files, tasks, schedules, and homeowner requests, whether in the office or on the go. Trades receive necessary information without chasing communications, while admins manage projects efficiently.

Highlights
  • Manage projects from office or jobsite
  • Organize project files (plans, photos, etc.)
  • Provide trades fast access to job info
  • Receive notifications for updates and tasks
  • Access files offline
  • Assign and manage tasks
  • Coordinate schedules
Features
Read full description

Corabuild is jobsite project management built for custom home builders, remodelers, project managers, and trades. From the office to the field, corabuild helps teams stay aligned around the latest files, tasks, schedules, homeowner requests, updates, and project information. Builders and admins can manage active jobs on the go, while trades get the information they need to keep work moving without chasing texts, emails, or outdated documents. For admins, corabuild makes mobile site management simple. View project information, manage files, coordinate updates, manage schedules, respond to homeowner requests, assign and track tasks, and keep your team working from the most current details no matter where the day takes you. For trades, corabuild removes the friction. Receive notifications when something needs attention, view assigned tasks, access project files from one organized place, stay aligned with schedule updates, and use offline file access when jobsite reception is weak. Corabuild is designed for the way custom home construction actually works: fast-moving jobs, changing details, multiple trades, homeowner communication, schedule coordination, and a constant need for clear updates. Key features: • Manage projects from the office, truck, or jobsite • Organize plans, specs, selections, photos, videos, and other project files • Give trades fast access to the latest job information • Receive notifications for updates and assigned tasks • Access important files offline when reception is limited • Assign, manage, and complete tasks between admins and trades • Coordinate schedules and keep field teams aligned • Manage homeowner requests without losing details in texts or emails • Reduce scattered texts, emails, and outdated file sharing • Keep every project organized in one mobile-friendly workspace • Support field teams without requiring complicated software workflows Corabuild helps builders reduce confusion, streamline trade coordination, manage homeowner communication, and keep every job moving forward.

Screenshots

Bluebeam4 screens
Corabuild4 screens

Verdict

The call

The clearest difference is review sentiment: Corabuild at 100% against Bluebeam's 3%. Corabuild also leads on rating (5.0 vs 1.5) and update cadence (every 3 days vs monthly). Bluebeam's advantage is ratings volume (392 vs 3). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Corabuild holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: Bluebeam has 392 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 3% of Bluebeam's written reviews are positive against 100% of Corabuild's.

UpkeepUpdate frequency

Bluebeam ships an update monthly, Corabuild every 3 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
Bluebeam versus Corabuild: the parameters behind the verdict, then further details
ParameterBluebeamCorabuild
PriceFreeFree
Rating1.5 (392 ratings)5.0 (3 ratings) — better
Positive reviews3.0% of reviews100.0% of reviews — better
Number of ratings392 — better3
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size288 MB33 MB
Age rating4+4+
DeveloperBluebeam, Inc.corabuild.ai, Inc.

Customer experience

Bluebeam

All ratings392 ratings
Positive9.9%
Neutral2.0%
Negative88.0%
Written reviews237 reviews
Positive3.0%
Neutral3.0%
Negative94.1%

Corabuild

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
Show 23 more
  • 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
Show 20 more
  • 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

Corabuild

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Bluebeam

No in-app purchases

None

Corabuild

No in-app purchases

Questions

Is Bluebeam free?
Bluebeam is free to download, with no in-app purchases.
Is Corabuild free?
Corabuild is free to download, with no in-app purchases.
Which has better reviews, Bluebeam or Corabuild?
Corabuild is rated higher. Bluebeam averages 1.5 out of 5 from 392 ratings, while Corabuild averages 5.0 from 3 ratings.
Do Bluebeam or Corabuild have ads?
Neither Bluebeam nor Corabuild shows ads.
Which is updated more often, Bluebeam or Corabuild?
Bluebeam ships an update monthly, and Corabuild every 3 days. Most recently, Bluebeam was updated on October 19, 2026 and Corabuild on October 18, 2026.

Other comparisons