Construction Expert A1 PRO

Construction Expert A1 PRO

Feet Inch Fraction Calculator

4 ratings
9 reviews
Free
In-App Purchases

Details

Released
February 28, 2026
Updated
October 26, 2026

Features

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About

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.

✓Feet-inch-fraction math
✓Right angle and roof framing
✓Stair layout calculations
✓Trade-specific calculators (Electrical, Plumbing, HVAC)
✓Area and volume calculations for 57 shapes
✓Material estimation tools
✓Project management and export options
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+1

What's New in Construction Expert A1 PRO

2026.10.26

October 26, 2026

NEW: Projects, redesigned • A colourful Overview with a job card (Call the client, get Directions, Edit), materials, pieces and concrete at a glance, and your recent calculations • Two-column layouts on iPad • Calcs tab with In takeoff / Left out filters and quick Edit and Remove • Projects list with status filters, job icons and counts NEW: Documents from your calculations • Generate a Material Takeoff, Cut List and Shopping List (with a checklist) from a project's calculations • Stair and rafter layout sheets when you save • Documents show when a calculation changed, and Update all brings them up to date NEW: Project notes and photos • Notes with folders, rich text formatting, photos from the camera or library, and file attachments • A Photos tab for site photos, grouped by date NEW: Document vault • Scan or upload plans, permits and receipts into a project • Expiry reminders for permits and insurance Also new • Save any supported calculation to a project and reopen it later to edit • Ask A1, the voice assistant for construction math • Backups you can undo, and one restore flow for every backup • A new Apple Watch icon Fixes • Unit keys cycle linear, square, cubic and back again • Conv + Inch toggles decimal and fraction in the right order and labels inches correctly • Dashes and other special characters now print correctly in PDFs • Build a Deck no longer undercounts joists, decking, stringers and posts If the app helps you on the job, a rating helps other builders find it.

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Subscriptions & In-App Purchases

Construction Expert Yearly

Construction Expert Yearly Subscription

$24.991 Year
7 Days trial
How to cancel Construction Expert A1 PRO subscription ⁉️

User reviews

Finally, No Subscription

The feet inch calculator, roof framing, and stair layout save me time every day. The ONE time payment makes this one of the best values for construction professionals. Exactly what I was looking for.

Response from developer

Glad to hear the feet-inch calculator, roof framing, and stair layout are saving you time in your daily work! That’s exactly the kind of practical value we want Construction Expert A1 PRO to deliver. Thank you for the 5-star review and for sharing what works best for you!

Useful for civil engineers

As a civil engineer, I find Construction Expert A1 PRO extremely useful for day-to-day work. The range of construction calculators helps me perform quick and accurate calculations on site and during estimation. A practical app that saves time and makes routine work much easier. Highly recommended for civil engineers and construction professionals.
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Response from developer

Thank you for your support! 🙌 Great to hear the rafter calculator is delivering real value in your work. We built it for fast, accurate results on-site.

Best app

Lifetime purchase is game changer

Response from developer

Thank you for the fantastic 5-star review! We’re happy to know you find the lifetime purchase of Construction Expert A1 PRO a game changer. It’s great to hear that the one-time purchase model adds real value to your experience. We’re glad to have you with us!

Finally, No Subscription

The feet inch calculator, roof framing, and stair layout save me time every day. The ONE time payment makes this one of the best values for construction professionals. Exactly what I was looking for.

Response from developer

Glad to hear the feet-inch calculator, roof framing, and stair layout are saving you time in your daily work! That’s exactly the kind of practical value we want Construction Expert A1 PRO to deliver. Thank you for the 5-star review and for sharing what works best for you!

Finally, No Subscription

I've been looking for a professional construction app without a monthly subscription. Construction Expert A1 Pro has roof framing, stair layout, feet-inch math, material estimation, and much more. The one-time payment makes it an excellent value.

Response from developer

We’re glad you found the one-time purchase model valuable! 🙌 It’s great to know you’re looking for a professional construction solution without recurring subscription costs. Thank you for the detailed 5-star review and for highlighting the features you find useful!

Developer apps

FAQ

What is Construction Expert A1 PRO?

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.

What types of calculations can Construction Expert A1 PRO perform?

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.

Can Construction Expert A1 PRO help with material estimation?

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.

Does Construction Expert A1 PRO offer project management features?

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.

What export options are available in Construction Expert A1 PRO?

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.

What languages does Construction Expert A1 PRO support?

Construction Expert A1 PRO supports 5 languages: English, Spanish, French, German, and Arabic, making it accessible to a global user base.

How often is Construction Expert A1 PRO updated?

The app was last updated on April 27, 2026, indicating recent development and support. The latest version is 1.0.6.

What is the pricing for Construction Expert A1 PRO?

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.