This app is a comprehensive construction calculator designed for professionals. It offers advanced calculations for framing, stair layout, trade-specific needs, and material estimation, replacing the need for expensive hardware calculators.
1.1.0
August 18, 2026
The construction calculator your contractor doesn't want you to know about. • Calculate roof pitch, rafters, hip & valley in seconds • Feet-inches-fractions math • Stair layout from a single measurement • Concrete, drywall, studs, blocks — instant material estimates • Built-in unit conversions: metric, imperial, board feet, acres • Compound miter angles for perfect crown molding cuts • Circle, arc & polygon calculations for curved builds • 3 memory registers + running total with average & count • Works offline — no internet needed on the job site
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Construction Expert A1 PRO is a professional calculator app designed for construction professionals. It offers a wide range of calculations for framing, stair layout, trade-specific needs, material estimation, and more, aiming to replace expensive hardware calculators.
It supports full feet-inch-fraction math, right angle and roof framing, stair layout, and specialized calculations for electrical, plumbing, and HVAC trades. It also includes area and volume calculations for numerous shapes and material estimation tools.
Yes, the app includes material estimation features for board feet, stud spacing, concrete volume, roofing materials, drywall, and fence materials, helping users accurately plan and budget for projects.
Yes, it allows users to organize calculations by project, add rich text notes, attach photos, and access calculation history with search and filter options, aiding in project organization.
You can export calculations as professional PDF reports with company branding, CSV spreadsheets, PNG images, and plain text. It also includes specific PDF generators for various construction elements.
Construction Expert A1 PRO supports 5 languages: English, Spanish, French, German, and Arabic, making it accessible to a global user base.
The app was last updated on April 27, 2026, indicating recent development and support. The latest version is 1.0.6.
Construction Expert A1 PRO is free to download and use, with optional in-app purchases. Subscription plans include 'Construction Expert Monthly Sub' for $2.99/month and 'Construction Expert Yearly' for $14.99/year, both offering a 7-day free trial.
