Construction calc + branded quote & invoice PDFs + client manager. All-in-one
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BuildExact is the all-in-one construction app for builders, contractors and craftsmen. Calculate on-site, quote your customer, invoice the job — all in one app. Get paid faster and look more professional.
WHY BUILDEXACT
• Full materials list on every calculator, not just a single number
• Measurements → professional quote → invoice in minutes
• Quote → Invoice in one tap, no re-typing lines
• Send via WhatsApp with a pre-filled message
• Recurring invoices for maintenance customers
• Branded PDFs make you look like an established company
• Works on-site, offline-first, no account required
• One-time purchase for PRO — no subscription
CALCULATORS (all free)
• Fence — posts, panels, pasvakken, gates with top beam, L and U corners
• Tiles — pattern chips, grout, adhesive bags, spare box, edge trim
• Paving — pattern chips, sub-base + bedding + joint sand, edge restraint
• Concrete — Floor/Foundation/Driveway presets, ready-mix vs self-mix, rebar, formwork
• Bricks — list every door and window for lintels, mortar bags, cavity ties
• Paint — primer, brush vs spray, 1L–10L cans side by side
• Insulation — stack layers, live R-value, vapour barrier, fasteners, tape
• Wood — Volume, Boards or Beams: screws per connection, surface, stain litres
• Stairs — straight, L or U; stringers, risers, handrail, balusters
• Drywall — ceiling, wall or partition. Partition sizes studs, tracks, joint compound
• Roof — tiles/bitumen/EPDM/metal, slope area, battens, ridge caps, membrane
• Plus Area, Volume, Walls, Linear meters and Cost
PROJECTS & WORKFLOW
• Multiple projects with unlimited cards (PRO)
• Automatic status: Draft → Quoted → Accepted → Invoiced → Paid
• Link a client, add photos and notes per card
• Clear material list per project
CLIENT MANAGER (PRO)
• Full client database with contact details
• Quick actions: Call · Email · WhatsApp · Route
• Import clients from your phone address book
• Every quote and invoice tracked per client
• Revenue overview per client
QUOTES & INVOICES (PRO)
• Branded quote and invoice PDFs from any project
• Quote → Invoice in one tap — lines, client and VAT carry over
• Send via WhatsApp with a ready-to-send message — Dutch 06 numbers auto-formatted
• Line items with quantity, unit price, discount and VAT
• Automatic numbering (OFF-2026-0001, FACT-2026-0001)
• Live PDF preview before you send
• Logo, VAT number, KvK, IBAN and signature saved once
• Track paid, sent and overdue at a glance
• Business dashboard with revenue, outstanding, overdue
RECURRING INVOICES (PRO)
• Templates for maintenance contracts and subscriptions
• Weekly, monthly, quarterly or yearly cadence
• Dashboard reminder — generate the next invoice in one tap
• Save any existing invoice as a template
PRICE BOOK (PRO)
• Save materials, labor and fees with cost and sell price
• Live margin per line, never on the customer PDF
• Categories: material, labor, service, fee
TRADE TEMPLATES (PRO)
• Start from a template: Tiler, Painter, Flooring installer
SHARING
• Share results as a styled image for WhatsApp, Instagram Stories or chats
• Share material lists per project as a branded image
PRO — ONE-TIME UNLOCK
Includes: unlimited projects, PDF generator with live preview, Quote → Invoice, WhatsApp sending, recurring invoices, business dashboard, client manager, company profile, Price Book with margin, trade templates, styled share cards, favorites and calculation history.
One-time purchase — no subscription. Secure payment via Google Play.
PRIVACY-FIRST
No account needed. Core calculators work offline and your data stays on your device.
LANGUAGES
English and Dutch (Nederlands).
Estimates only — always verify on-site and follow local regulations.