Construction Toolkit

Estimator, Rebar & Units

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

All 15 calculators free, offline, no accounts, no ads. Concrete, rebar, steel, units & cost estimates. Pro only unlocks saved projects + branded PDF/Excel export. Construction Calculator is an offline construction calculator for people who build things: concrete calculator, rebar calculator, brick, tile, steel, scaffold and pipe volume - with a material estimator and cost estimator that work with no signal. No account. No signal. The app works anywhere - a job site, a basement, a rooftop - and it never sells your data because it never needs the network. WHAT YOU CAN DO - Concrete calculator: slabs, footings, columns and walls - bags, volume, cost. - Rebar calculator: footings, beams and ties - steel weight and volume in one tap. - Brick, tile, beam, column, roofing, scaffold, excavation, asphalt and pipe volume calculators. - Unit converter: metric and imperial, plus construction units. Use this unit converter offline on the job. - The material estimator and cost estimator build as you work. - Save projects and reopen them anytime. - Export a clean, print-ready PDF or structured Excel file. MADE FOR THE FIELD - This construction calculator works offline on site - even with no signal. - Big numbers and large buttons, readable in daylight and on the move. - Smart defaults and quick presets to cut your typing. - Dark mode for evening planning. - Every result can be copied or shared in one tap. FREE, WITH A PRO OPTION - All calculators are fully free. No paywall in the middle of a calculation. - Pro removes the limits on saved projects, unlocks branded PDF export and full-project Excel export, and restores your purchases on any device. - No ads in pro version. Questions or feedback? We read every review. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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The developer, Bravyto Takwa Pangukir, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Location
    • Identifiers
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Bravyto Takwa Pangukir
Size
  • 31.4 MB
Category
  • Utilities
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
  • Construction Toolkit Pro Lifetime $59.99
  • Construction Toolkit Pro Yearly $29.99
  • Construction Toolkit Pro Monthly $3.99
Copyright
  • © 2026 Grid Developer