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Construction Calculators
Quick tools for paving, concrete, aggregates, gradients, square checks, air bricks, spoil and more.
Build smarter on site with Build Bro.
A professional mobile app for contractors, site teams and trades. Use fast calculators, keep site photo records, search notes, and ask Bob for instant construction guidance.
12:10✈︎ Wi‑Fi 53%
Build BroYour site companion
🧱 Brickwork ›
▦ Paving ›
🛣️ Road & Sewers ›
⌗ Plot‑work ›
🛠️ Site Tools ›
💬 Ask Bob
Everything your site team needs in one clean app.
Designed with a premium dark interface, simple navigation and practical tools for daily construction workflows.
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Site Cam Records
Capture site photos with notes, plot references and locations so records are easier to manage.
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Ask Bob AI
Instant construction guidance in a simple chat screen built for site questions and quick answers.
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Search Site Records
Find previous photos and notes by keyword, plot, location or record details.
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Dark & Light Theme
Premium dark mode by default with a clean light mode option for client-facing presentation.
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Android & iOS Ready
A mobile-first product experience prepared for App Store and Google Play promotion.
Built for real site flow
Professional categories, simple actions.
Build Bro keeps the app easy for busy site users: select the work area, open the tool, calculate, record or ask Bob.
Brickwork ›
Paving Calculators ›
Road & Sewers ›
Plot‑work ›
Finishing ›
Site Tools ›
Trusted by site teams and trades.
Dummy preview reviews added for landing page trust. You can replace these later with real App Store and Google Play reviews.
★★★★★
“Really clean app for quick site calculations. The layout is simple, fast and easy to use while working on site.”
JM
James MillerGroundworks Supervisor
★★★★★
“The calculators and Ask Bob feature make it feel very useful. It saves time when checking measurements and site questions.”
RT
Ryan TaylorSite Manager
★★★★★
“Professional design and practical tools. Great idea for builders who need quick answers without searching everywhere.”
SC
Sarah ClarkeConstruction Admin
Frequently asked questions.
Quick answers for users visiting the Build Bro landing page.
What is Build Bro?
Build Bro is a mobile app for builders, contractors and site teams. It includes construction calculators, site tools, photo records and Ask Bob AI guidance.
Is Build Bro available on Android and iOS?
Yes. The landing page buttons open the live App Store and Google Play listing for Build Bro.
Who is this app for?
It is designed for UK construction users, including groundworkers, builders, site managers, supervisors and trades who need quick tools on site.
Does the app work in dark mode?
Yes. The app and this landing page are designed with a premium dark theme, with a light mode option available on the website.
Can features be added later?
Yes. More calculators, AI guidance, site records and client-specific tools can be added as the app grows.
Ready to build faster with Build Bro?
Download the mobile app and keep your calculators, records and site guidance in your pocket.