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About this app
FieldStack is an offline field workspace for construction plan PDFs. Import the drawings without changing the original files, search every page for a room or sheet in seconds, and build a board of just the sheets a task needs. It is built for job sites with bad or no internet. SEARCH EVERY PAGE Type a room number, sheet title, or any word. FieldStack searches every page of every plan and opens the page right at the match. BUILD THE BOARD Pull the sheets a task needs into one board and arrange them your way. Press and hold a sheet to move it, set the columns, or remove sheets. The full PDF stays readable. MARK UP IN LAYERS Draw on any page in named layers like As-built, Coordination, or Punch list. Show one, some, or all, and draw on one while the rest stay in view. Markup shows on every board with that page. TRACK STATUS ON YOUR BOARDS Place marks on a board and set them Open, In Progress, Blocked, or Done, with Urgent on top. Filter to what still needs you and keep every mark and note in one list. YOUR PROJECTS ON EVERY DEVICE Turn on Sync with iCloud and your projects, plans, layers, marks, and notes stay the same on iPhone, iPad, Mac, and Apple Vision Pro. It uses your own private iCloud account, with nothing to sign up for. Delete something and it is gone everywhere. FIELDSTACK PRO FieldStack is free. FieldStack Pro is one payment, never a subscription, and adds unlimited markup layers and iCloud sync. Free keeps one markup layer per project plus the Status layer, and everything else. NOTEBOOKS Place plan pages, photos, shapes, and symbols side by side, and connect them. SIRI, SEARCH, AND WIDGETS Ask Siri to search FieldStack, find sheets from Home Screen search, and open a board, a plan set, or search from a widget. BRING THE PLANS Import source PDFs without changing the originals in Files. FieldStack does not require an account, a team workspace, or a subscription. Optional tips support continued development and unlock nothing. The reviewed interface supports English, French, Spanish, and Brazilian Portuguese. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://unshackledpursuit.com/fieldstack#privacy
What's new
Version 1.8 · Oct 26, 2026
Large plan sets open more reliably. Switching between a Board and its source PDF is more dependable, with better loading recovery when you leave and return to FieldStack.
In-app purchases
The most popular purchases on the App Store.
- FieldStack ProConsumable$9.99
- Buy Me a CoffeeConsumable$2.99
- Lunch on YouConsumable$9.99
- Big Thank YouConsumable$19.99
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