
Project Builder — Site Diary
Budget, tasks & snag lists
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Free
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About
ProjectBuilder helps anyone building or renovating a house stay in control - no more notes scattered across spreadsheets, WhatsApp and paper folders.
WHAT YOU CAN DO:
Construction schedule - break the build into stages and tasks, track progress, change statuses - see exactly where you are and what is coming up next.
Budget and costs - log costs against specific tasks, mark them as paid, compare plan versus actual spend. No more surprises when reconciling with the bank.
Team management - invite contractors, site managers, architects - everyone sees what they should, with the right role and permissions.
Site chat - talk to your team directly on a task or a defect report, instead of losing decisions in scattered text threads.
Defect reporting - take a photo, describe the issue, assign it to a contractor - with history and repair status, ready to show at handover.
Floor plans - upload a floor plan and pin each defect exactly where it is, instead of describing "that stain in the big room, near the window".
Push notifications - a new task, comment or defect reaches your crew's phone straight away, so you are not ringing round to check whether anyone opened the app.
Google Drive backup - connect your Drive and keep your own copy of every photo and document.
Build documentation - photos and files attached to a specific stage - proof of what was done and when (useful for disputes or warranty claims).
Full sync with the web app - start on your computer, continue on your phone on site - everything in real time. Available in English and Polish.
WHO IT IS FOR:
Investors building a house on their own or with a general contractor. People renovating a flat and coordinating several crews. Anyone tired of managing a construction site by phone calls and memory.
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What's New in Project Builder
0.9.2
October 8, 2026





