
RFQ-to-quote software for fabrication estimators
Collect RFQ files, review CAD drawings and BOMs, prepare estimates against your shop rates, and issue reviewed quotes from one local workspace.
RFQ email triage inside the app
Connect your email (Gmail & Outlook) to browse and preview incoming RFQ emails, download drawing packages, and start project estimation without switching apps.

Review CAD drawings, BIM models, and specs side-by-side
Review fabrication RFQs, glazing elevations, HVAC drawings, quantity-surveying takeoffs, and structural steel tenders with PDF sheets, AutoCAD DWG/DXF drawings, 3D CAD models (STEP/IGES), and BIM files (IFC) beside your estimate. Rotate, zoom, and inspect details directly next to your pricing sheet.

On-device AI structures your takeoff draft
Run Kwantflow AI on your machine to parse supported drawing metadata, draft structured line items, and map parts to your rate books for estimator or quantity-surveyor review.

Connect rates and cost structures
Manage cost presets, material rate books, labour rates, and equipment overheads. Import sheets from Excel or CSV and link them to your supplier and company directory.

Your drawings, rates, and margins stay local
All estimate calculations, proprietary margin models, customer histories, and sensitive drawing attachments live securely in a local database on your hard drive.

Complete revision history of estimate changes
Automatically record every quantity edit, rate override, markup change, and model suggestion in a secure, human-readable audit log.

Quote faster without hiring another estimator
Streamline quote preparation by turning messy RFQ emails, drawings, and spreadsheet rate sheets into reviewed drafts under your control.
AI monitors your inbox to automatically triage and queue incoming RFQs.
Automatically download attachments and structure your local project workspace.
Parse drawings, BOMs, and spreadsheets locally into a reviewable line-item estimate.
Verify quantities against original drawings and fine-tune margins under your control.
Export the quote PDF and generate a draft response email instantly.
Platform Features
Deep control and flexibility for estimating teams
CAD, DWG & BIM Viewer
Use the integrated DWG viewer and STEP file viewer for direct estimating. Inspect 3D CAD models (STEP, IGES), BIM files (IFC), 2D drawings (DWG, DXF, PDF), and customer BOM context side-by-side with your estimate sheet.
30+ Formats Supported
Drop drawings, BOM spreadsheets, spec sheets, images (JPEG, PNG, TIFF, HEIC), emails (EML, MSG), and ZIP archive packages directly into your project vault.
Kwantflow AI
Run Kwantflow AI on your Mac or PC to analyse documents, draft structured quantities, and keep sensitive quote data off third-party AI systems.
Spreadsheet Import Wizard
Quickly seed your workspace by importing materials, labour rate sheets, and supplier/company contacts from Excel or CSV with custom column mapping.
Margin & Pricing Sandbox
Run margin scenarios by simulating raw material rate shifts, labour markups, and shipping variations on competitive tenders.
Automatic Local Backups
Protect your proprietary templates, quote history, and rate books with scheduled automatic local backups you fully own.

Try Kwantflow now
Keep RFQ files, rate assumptions, and reviewed quote drafts together in a local desktop workspace.