Easy to use!
Makes looking at blueprints easier!
Free
About
This app provides an offline workspace for construction plans, allowing users to import PDFs, search every page for specific information, and create custom boards of relevant sheets. It enables on-page markup, field status recording, and note-taking, all accessible without an internet connection.
✓Offline PDF plan import
✓Full-page search
✓Customizable sheet boards
✓On-page markup tools
✓Field status tracking
✓Notebooks for notes and photos
✓Siri and widget integration
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What's New in FieldStack
1.5
September 28, 2026
ASK SIRI Say "Search FieldStack," then a room number or sheet, and FieldStack opens right to it. "Open a sheet in FieldStack" works too. SEARCH FROM YOUR HOME SCREEN Spotlight now finds the text on every page of your plans, including room and door numbers, plus your boards, notebooks, and photos. WIDGETS Set the FieldStack widget to open a board, a plan set, or search, in every size, with real page thumbnails. Add quick actions, search on the Lock Screen, and Search Plans in Control Center, or touch and hold the app icon for quick actions. QUICKER NOTEBOOKS Tap to select, drag to move, and double-tap a page or photo to open it. One simple menu for everything you select. NEW TUTORIALS Short guides in About show how to search, use Siri, add widgets, mark up plans, and build notebooks. Works offline, same as before.
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FAQ
What is FieldStack?
FieldStack is an offline field workspace designed for construction plan PDFs. It allows users to import drawings, search every page for specific information, and build custom boards of relevant sheets for tasks, all without requiring an internet connection.
Does FieldStack require an account or subscription?
No, FieldStack does not require an account, a team workspace, or a subscription. Optional tips are available to support development but unlock no features.
What devices does FieldStack support?
FieldStack is available for iPhone and iPad devices.
How often is FieldStack updated?
The latest version, 1.5, was released on September 28, 2026, indicating a recent update. The app is generally updated to improve functionality and reliability.
Can I mark up plans with FieldStack?
Yes, FieldStack allows you to draw directly on any plan page. These markups are visible on all boards that include that page, and can be shown or hidden as needed.
How does FieldStack handle field status tracking?
FieldStack enables you to record field status by placing notes and tracking work as Open, In Progress, Blocked, or Done. These notes and status updates are stored in a private layer separate from the drawings.
What languages does FieldStack support?
The interface for FieldStack supports English, French, Spanish, and Brazilian Portuguese, making it accessible to a wider range of users.
Does FieldStack have ads?
No, FieldStack does not contain advertisements. The app is free to use without any ad interruptions.
