GPS clock-ins with live photos. Professional invoicing. Crew scheduling. Safety logs. Every tool your job site needs — one app, completely free.
ABOUT CONSTRA
Constra is a full-featured construction management platform built for contractors, foremen, and crews of every size. We give you the same tools that enterprise platforms charge thousands for — completely free.
From first GPS clock-in to final invoice, Constra keeps your job site organised, your crew accountable, and your clients happy — whether you're running 3 workers or 300.
LEARN MOREWHAT WE OFFER
Constra gives your team a reputation for bringing projects to completion on schedule and on budget — because every tool you need is in one place, from first clock-in to final invoice.
Workers clock in with a live selfie, GPS-verified to your job site. Off-site check-ins flagged automatically.
INCLUDED FREEBuild itemised estimates in the field, convert to professional invoices in one tap, export branded PDFs.
INCLUDED FREELog near-misses, injuries, and hazards on the spot with photos. Generate compliance reports instantly.
INCLUDED FREETrack every project from start to finish. Assign tasks by trade, set due dates, and monitor progress in real time.
INCLUDED FREEAuto-generated daily site reports from clock-in data, weather, and tasks. Share with clients in one tap.
INCLUDED FREEWeather-aware calendar with 7-day forecast. Schedule crew by project and shift. Conflict detection built in.
INCLUDED FREETrack status, assignment, daily rate, and maintenance schedules across all your job sites.
INCLUDED FREELog deliveries and usage by trade and project. Auto low-stock alerts. Exportable by project or date range.
INCLUDED FREECreate and assign punch items with photos. Track RFIs from submission to close without email chains.
INCLUDED FREEMonitor spend against budget in real time. Issue change orders with one tap and keep clients informed.
INCLUDED FREEUpload, annotate, and share blueprints directly in the app. Organise all project documents by trade.
INCLUDED FREEAI-generated morning briefing — crew status, overdue tasks, weather risks, and what to tackle first.
INCLUDED FREEGPS VERIFICATION
Workers clock in with a live selfie, GPS-pinned to your exact site. Off-site check-ins and duplicate clock-ins are flagged automatically. No more phantom hours.
START FREE TODAYSAFETY FIRST
Constra's safety tools help you create, administer, and maintain a comprehensive safety program for every job site.
Log near-misses, injuries, and hazards with photos the moment they happen. Generate compliance reports in seconds.
INCIDENT LOGGING
Log near-misses, injuries, and hazards on the spot with photo evidence.
COMPLIANCE REPORTS
Generate safety reports for any date range, job site, or worker in seconds.
HAZARD TRACKING
Track open hazards by site and status. Close items with a photo and signature.
INSURANCE MANAGEMENT
Store and track insurance policies, expiry dates, and certificates per project.
FOR THE FIELD
Designed for job sites, not boardrooms. Works offline, handles rough conditions, and fits in your pocket.
INVOICING
Build itemised estimates in the field and convert them to professional invoices in one tap. Send branded PDFs directly to your client the same day the work is done.
START INVOICING FREERESULTS
REVIEWS
“Constra replaced three separate apps we were paying for. Clock-ins, invoices, and safety logs all in one place. Our crew picked it up in an afternoon.”
James Holloway
Holloway General Contracting
General Contractor
“The GPS clock-in stopped the phantom hours overnight. First month we saved over $4,000 in disputed time. I wish we had found this two years ago.”
Maria Santos
Santos Electrical
Electrical Contractor
“I send professional invoices from the job site the same day the work is done. Clients pay faster and I stopped chasing cheques. Totally changed how I run my business.”
Derek Nguyen
Nguyen Plumbing & HVAC
Plumbing & HVAC
PRICING
Enterprise Platforms
$600–$1,200/mo
Per project pricing
Mid-Market Apps
$200–$500/mo
Features behind paywalls
Constra
$0
Every feature, forever
No credit card · All features included · No limits
GET STARTED TODAY
The only construction app that covers everything — from first clock-in to final invoice. Free, forever.