Napai is the #1 aluminium fabrication estimation app built specifically for Pakistani door and window fabricators. Instantly calculate material costs, generate professional PDF quotations, and share them directly with customers on WhatsApp.
Whether you run a small workshop or a large fabrication business, Napai eliminates manual calculations and gives you accurate cost estimates in seconds — no internet required.
✦ INSTANT COST ESTIMATION
Enter door or window dimensions in sooter (inches + 1/8 fractions) and get a complete cost breakdown — aluminium profiles, glass, hardware, labor, and profit — calculated automatically.
✦ SMART CUTTING GUIDE
Napai's intelligent scrap optimizer uses bin-packing algorithms to find the cheapest combination of standard 14ft, 16ft, and 18ft stock bars. Minimize waste, maximize savings, and get exact cutting instructions for your workers.
✦ ASSEMBLY DRAWINGS
Visual fabrication diagrams showing every frame part, panel, and glass piece — colored by profile type. Workers can follow the drawings without reading measurements.
✦ HARDWARE CHECKLIST
Auto-calculated hardware requirements for every project — rollers, locks, handles, wool pile, gaskets, silicone, screws, and glass sheets with waste percentage included.
✦ PDF QUOTATIONS
Generate professional PDF quotes with your shop name, logo, and branding. Share instantly via WhatsApp, email, or any messaging app. Includes material summary, cutting table, cost breakdown, and discount row.
✦ PROJECT MANAGEMENT
Save, search, and track every project from estimate to installation to payment. Track expenses, payments, advance amounts, and net profit per project.
✦ 4 PROFILE TYPES SUPPORTED
- Economy (EF series)
- Box (DC/M series)
- Collar Box (DC30E/DC26E)
- Openable (doors and windows)
✦ 5 DESIGN MODES
Sliding 2-track, Sliding 3-track, Fixed, Openable Door, and Openable Window — each with accurate profile calculations.
✦ WORKS OFFLINE
Napai works completely offline. All data syncs automatically when you're back online. Never lose a calculation because of bad internet.
✦ MADE FOR PAKISTAN
- Sooter measurement system (inches + 1/8 fractions)
- Workshop-style Urdu and English language support
- PKR pricing with local rates
- Standard Pakistani stock bar sizes (14ft, 16ft, 18ft)
✦ DIGITAL BUSINESS CARD
Create a professional digital business card with your shop name, phone, email, address, and services. Share it on WhatsApp to attract new customers.
✦ FREE TO START
Download Napai for free. Use the estimation calculator, save projects, and generate quotes without paying anything. Upgrade to Premium for advanced features and an ad-free experience.
Perfect for: aluminium fabricators, window and door workshops, glass shop owners, home builders, contractors, and construction businesses across Pakistan.
Download Napai today and start estimating like a pro.
Aluminium door/window cost estimation for fabricators