# CADbox Marker — Markup Construction Drawings

> Annotate and share construction drawings for collaborative project management. (iPhone/iPad app by CoralTree, Inc.)

- Source: https://appshunter.io/ios/app/cadbox-marker/id1462609795 (this page in markdown: same URL + `.md`)
- Developer: [CoralTree, Inc](https://appshunter.io/developer/1462609794)
- Category: Business, Productivity
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 12.1 · 64 MB
- Languages: English
- Released: 2019-10-09
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cadbox-marker/id1462609795/reviews.md

## What is CADbox Marker?

CADbox marker is a free software available for download from the Apple Store. It can be used by Builders, Contractors, Architects and others who have an account on CADbox to view construction drawings, punch up lists and other documents. Drawings can be marked up with annotations of various shapes, texts and color, and shared instantly with other users of CADbox sharing the folders and files.

CADbox is a cloud enabled file sharing and collaboration software from CoralTree, Inc., San Jose, CA. It is used for sharing Construction drawings, Markups, Autodesk Revit and AutoCAD project files, with builders, architects and contractors. CADbox has enhancements for active collaboration - files are locked before a user can make changes. After the user closes the file, CADbox will sync the changes to the other users and release the lock automatically. This simple to use locking and syncing technology patented by CoralTree, Inc. avoids conflicted copies and errors, allowing users to collaborate and work on project files hassle free.

Architects can print and save construction drawings in PDF format so builders and contractors can view the drawings on their iPad. They can markup or annotate drawings using the markup tools provided and share with the architects so they can edit the project files and regenerate the drawings for quick turn around. There is no need to carry bulky print outs to job sites or making handwritten markups which improves the overall efficiency and experience of all the users.

## Key features

- View construction drawings and documents
- Annotate drawings with shapes, text, and colors
- Share marked-up drawings instantly
- Cloud-enabled file sharing and collaboration
- File locking to prevent conflicts
- Print and save drawings in PDF format


## Frequently asked questions about CADbox Marker

### What is CADbox Marker used for?

CADbox Marker is used by construction professionals to view, annotate, and share construction drawings and project documents. It helps streamline collaboration by allowing instant sharing of marked-up files.

### Who can use CADbox Marker?

The app is designed for builders, contractors, architects, and anyone with a CADbox account who needs to work with construction drawings and project files.

### Does CADbox Marker support collaboration?

Yes, CADbox Marker is part of a cloud-enabled file sharing and collaboration software. It features patented technology that locks files during editing and syncs changes to prevent conflicts and errors.

### Can I print or save drawings from CADbox Marker?

Yes, architects can print and save construction drawings in PDF format, allowing builders and contractors to easily view them on their iPads.

### What devices does CADbox Marker support?

CADbox Marker is currently supported on iPads, making it convenient for on-site use.

### How often is CADbox Marker updated?

The latest version, 2.3, was released on January 7, 2023. The app has been updated since its initial release on October 9, 2019, indicating ongoing development.

### Is CADbox Marker free to use?

Yes, CADbox Marker is available for free download from the Apple Store, and it does not feature in-app purchases or advertisements.

### What is the user sentiment for CADbox Marker?

Based on the available data, CADbox Marker has a perfect rating of 5.0 stars from 3 ratings, suggesting a very positive user experience among its current users.

## Version history (last 5 releases)

### 2.3 — 2023-01-07

Changes in the access urls for the file upload and download.

### 1.11 — 2021-01-10

1.Locks introduced while updating a punchlist status.
2.Bug fixes

### 1.10 — 2020-12-17

Crash reporting tool integrated

### 1.9 — 2020-12-07

1. Changes in authentication methodology of users
2. Changes to accommodate backend Api changes
3.Bug Fixes.

### 1.8 — 2020-11-02

Punchlist creation to keep track of project to-dos, added with additional tools.
Bug fixes and enhanced UI while annotating PDF files.

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## More apps by CoralTree, Inc

- [My Basil](https://appshunter.io/ios/app/my-basil/id6446291462)

All apps by CoralTree, Inc: https://appshunter.io/developer/1462609794

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*