Klorra AI vs. STACK Comparison


Klorra AI Klorra LLC	STACK Stack Construction Technologies	+	+
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About Klorra AI delivers a complete custom-home bid, not just a takeoff. Upload an architectural plan PDF and a 7-phase AI pipeline returns five documents, typically in about 4 hours, viewable in the app and downloadable as Excel or Word: a quantity takeoff, a line-item cost estimate across 160+ cost codes, a scope of work organized by trade in build order, a conflict report of cross-discipline clashes and items needing architect or engineer clarification, and verification notes listing what a second-agent QC pass flagged for the builder to confirm. Klorra is a service, not a tool you operate. Nothing to click wall by wall. It was built inside an active Naples, FL custom home builder; the same pipeline runs our own bids today. AI still gets things wrong on custom roof geometry, missing structural pages, and hand-marked plan edits. Klorra flags those for the builder to verify before commercial use. First bid is on us, no card.		About Bid Faster, Win More, and Build Smarter with STACK Takeoff & Estimate and STACK Build & Operate. From office to field, STACK speeds up your processes so you can stay competitive and eliminate uncertainty. Save time with STACK's powerful, time-saving AI features. Accelerated by AI. Driven by You. Features: - Fast, Accurate Takeoffs Powered by AI and Your Expertise - Regional Cost Data & Detailed Estimates - Streamlined Workflows & Document Control Create a free account or schedule a demo today!
Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook		Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook
Audience Custom home builders running roughly $2M-$20M in annual revenue and 8-20 starts a year: owner-operators or small teams who run their own bids or rely on one estimator.		Audience General contractors, subcontractors, and specialty contractors, including concrete, masonry, interior finishes, landscaping, roofing, structural steel, MEP, landscaping, home builders and more. Create a free account today!
Support Phone Support 24/7 Live Support Online		Support Phone Support 24/7 Live Support Online
API Offers API		API Offers API
Screenshots and Videos No images available		Screenshots and Videos View more images or videos
Pricing $299/bid or $329/month Free Version Free Trial		Pricing $0 Free - $0 per year Start - $2,999 per year Grow- $5,499 per year Free Version Free Trial
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software		Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews
		Pros from Real Users Pros Easy to learn and use right off the bat. This software provided a significant benefit to our TAKE OFF process. The collaborative feature means our estimators across the country can all contribute and monitor the progress of the project. Easily bring up any and all drawings with the click of a mouse, saves bundles on paper and cost. STACK has sped up our takeoffs making them about 4 times faster than before. I also like how their software integrates with Excel which makes it easy for me to finish our estimates and submit our bids. Customer support has been excellent as well - they are there to help me whenever i have a question!
Training Documentation Webinars Live Online In Person		Training Documentation Webinars Live Online In Person
Company Information Klorra LLC Founded: 2026 United States www.klorra.ai		Company Information Stack Construction Technologies Founded: 2008 Cincinnati, OH www.stackct.com
Alternatives PlanSwift		Alternatives Buildxact
Buildxact		Esticom Esticom, A Procore Company
Higharc		Stratosphere Tally Systems
STACK Stack Construction Technologies		RIB Candy RIB Software
Measure Square View All		Methvin View All
Categories AI Takeoff Residential Construction Estimating		Categories AI Takeoff Construction Bid Management Construction Estimating Construction Management Contractor Management Electrical Contractor Electrical Estimating Home Builder HVAC HVAC Estimating Landscape Management Plumbing Plumbing Estimating Preconstruction Residential Construction Estimating Roofing Subcontractor Takeoff
		Residential Construction Estimating Features Bid Management Billing & Invoicing Building Product Database Change Orders Customer Management Project Management Quote Management Scheduling Takeoff Show More Features Construction Bid Management Features Bidder Management Building Product Database Cost Database File Sharing Proposal Management Quotes / Estimates RFP Management Subcontractor Management Takeoff Version Control Construction Estimating Features Accounting Integration Audit Trail Bid Management Billing & Invoicing Building Product Database Calculators Change Orders Contract Management Cost Database Customer Management Customizable Templates Electrical Estimating Historical Database HVAC Estimating Job Costing Plumbing Estimating Price Data / Price Books Project Management Quote Management Reporting/Analytics Scheduling Subcontractor Management Takeoff What-if Analysis Construction Management Features Accounting Integration Budget Tracking/Job Costing Change Orders Commercial Contract Management Contractors CRM Equipment Tracking Estimating Incident Reporting Mobile Access Offline Access Residential RFI & Submittals Subcontractor Management Timesheets Contractor Management Features Contractor Database Insurance Tracking License Tracking Permit Tracking Skills & Competencies Task Management Work Hour Tracking Electrical Contractor Features Billing & Invoicing Commercial / Industrial Contract Management Customer Database Electronic Signature Mobile Access Quotes / Estimates Scheduling Time Tracking Work Order Management Electrical Estimating Features Billing & Invoicing Change Orders Cost Database Project Management Quotes / Proposals Takeoff HVAC Features Billing & Invoicing Customer Database Dispatch Management Inventory Control Job Management Maintenance Scheduling Mobile Access Quotes / Estimates Routing Scheduling Service History Tracking Technician Management Work Order Management HVAC Estimating Features Billing & Invoicing Commercial/Industrial Cost Database Data Import / Export Equipment Maintenance Financing Management Labor Rates Quotes/Proposals Scheduling Takeoff Home Builder Features Accounting Management Bid Management Contract Management CRM Job Costing Job Scheduling Permit Management Quotes / Estimates Subcontractor Management Supplier Management Warranty / Service Management Landscape Management Features Billing & Invoicing Contract Management Customer Database Dispatch Management Groundskeeping Inventory Control Irrigation Tracking Job Management Landscape Design Mobile Access Payroll Management Plant Database Quotes / Estimates Routing Scheduling & Appointments Work Order Management Plumbing Features Billing & Invoicing Customer Database Dispatch Management Inventory Control Job Management Mobile Access Quotes / Estimates Routing Scheduling Service History Tracking Technician Management Work Order Management Plumbing Estimating Features Change Orders Commercial / Industrial Cost Database Data Import / Export Fitting Management For General Contractor Overhead Costs Estimating Prebuilt Assembly Quotes / Proposals Takeoff Roofing Features Aerial Measurement Billing & Invoicing Checklists & Inspections Commercial / Industrial Dispatch Management Lead Management Photo Capture Quotes / Estimates Scheduling Work Order Management Takeoff Features 3D View Assembly Takeoff Cross Section Creation Electronic Plans Elevation Checking Error Checking Site Balancing Slope Routines Subcontractor Management
Integrations Box Buildertrend Dropbox Evernote Field Materials Google Docs Google Drive Microsoft Excel Microsoft OneDrive Procore STACK Build & Operate SmartBid eSUB Show More Integrations		Integrations Box Buildertrend Dropbox Evernote Field Materials Google Docs Google Drive Microsoft Excel Microsoft OneDrive Procore STACK Build & Operate SmartBid eSUB Show More Integrations View All 13 Integrations
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