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About

DWGdrop is a web-based construction bid and drawing collaboration tool for contractors, estimators, subcontractors, architects, and engineering teams. It supports sending drawing packages and requests for quotation (RFQs) to trade partners, who can review materials and submit quotes through shared links. The browser-based workspace is described as supporting DWG, DXF, PDF, and spreadsheet-based bills of quantities, allowing teams to view and measure drawings and review quantities without a desktop CAD application. DWGdrop also provides RFQ status tracking, drawing revision handling, project questions and answers, and side-by-side quote comparison to help teams coordinate bid invitations and evaluate subcontractor responses. The workflow is intended for construction procurement and estimating teams exchanging drawings and bids with external partners.

About

PreConstruct AI is a web-based construction takeoff and estimating application for subcontractors bidding interior finishes, concrete, and wood framing work from PDF drawing sets. It reads drawing scales and uses plan notes, schedules, and partition legends to help identify and measure walls, ceilings, and concrete quantities. AI-assisted wall suggestions are in beta and are reviewed, approved, or adjusted by the estimator. Approved quantities become material lists for items such as studs, board, insulation, tape, compound, paint, concrete, and rebar, with calculations and drawing-sheet references. Estimators can apply their own material prices, create proposal PDFs, and export data to Excel or CSV. Projects can use imperial units, metric units, or both. The application supports estimating workflows; estimators review measurements and quantities before submitting a bid.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Construction estimators, general contractors, trade subcontractors (electrical, HVAC, plumbing), site managers, architects, and MEP engineers.

Audience

Estimators and owners at drywall, interior finishes, concrete, and wood-framing subcontractors who prepare bids from PDF construction drawings.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

€20/month
The Starter plan is free; Profi is €20/month and Team is €55/month.
Free Version Not Supported
Free Trial Supported

Pricing

$250/month
The Estimator plan is $250/month for the first 50 paying companies and $350/month after that. Annual subscriptions cost ten months’ price. One bid of up to 75 sheets is free, with no card required.
Free Version Not Supported
Free Trial Supported

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 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

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

DWGdrop
Founded: 2026
Czech Republic
dwgdrop.com

Company Information

PreConstruct AI
Founded: 2026
Canada
preconstructai.com

Alternatives

Alternatives

Concrete Mix AI

Concrete Mix AI

Virtual Carry
Mix Chapter

Mix Chapter

Virtual Carry
Swiftender

Swiftender

OasisCode
BOQIFY

BOQIFY

BOQify

Categories

Categories

AI Takeoff Supported
Takeoff Supported

Integrations

No info available.

Integrations

No info available.
Claim DWGdrop and update features and information
Claim DWGdrop and update features and information
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Claim PreConstruct AI and update features and information