Smart Quantity Take-Offs for Construction Estimating
Developed and published by Charle Francois Viljoen (South Africa)
Measure lengths, areas and counts from PDF drawings and link totals to Bills of Quantities and Estimates. All on one platform with the click of a button. Designed for Quantity Surveyors, Estimators and Property Developers.
๐ช Available on Microsoft Store for Windows | ๐ Direct download for macOS | โก Lightweight & Fast
Please see the tutorial videos by Charle Viljoen, which explain how the software works in detail.
Introduction, creating a project, loading drawings, and setting the scale.
Watch Tutorial 1How to complete measurement take-offs from PDF drawings.
Watch Tutorial 2Saving a project, sharing with colleagues, and exporting to Excel.
Watch Tutorial 3Create measurable bills and link drawing totals directly to your B of Q items.
Watch Tutorial 4Prepare monthly payment certificates linked to measured and priced bill quantities.
Watch Tutorial 5Build estimate and feasibility outputs linked to drawings, B of Q, and financial assumptions.
Watch Tutorial 6One connected platform for measurement, Bills of Quantities, monthly certificates, estimates, and feasibility outputs.
Buildprax keeps the platform simple while extending capability: measurement, Bills of Quantities, monthly certificates, estimates, cashflow forecasting, and feasibility outputs in one place. We avoid unnecessary complexity and focus on speed, accurate calculations, and professional documents that are ready for real project decisions.
Measure lengths, areas, and counts directly on your PDF drawings with precision.
Export all results of each module to Excel.
Create accurate and professional looking bills of quantities linked to drawings.
View tenders received per item next to each other and identify the lowest rates.
Create monthly certificates linked to updated bills of quantities with ease.
Prepare estimates with quantities and values linked to drawings and bills of quantities.
Create cashflow forecasts with the press of a button.
Professional feasibilities linked to drawings and/or B of Q costs, including financial calculations, escalation, income, expenditure and return.
Available on Mac and Windows. Download with 14-day time-limited trial. No credit card required.
Available on Microsoft Store
Now available on Windows: Measurement module, Bills of Quantities, Certificates, and Estimates & Feasibilities.
โ 14-day time-limited trial
Windows 10/11 โข Secure download from Microsoft StoreSubscriptions activated automatically after purchase via BuildPrax.com
Compatible with macOS 10.15+
โ 14-day time-limited trial
Hosted on DigitalOcean โข Apple Silicon (M1/M2/M3) โข Notarized by AppleHaving trouble installing? Follow our step-by-step installation guide or contact support.
Choose the package and payment cycle that fits your business. Additional yearly licenses are available for scale-up teams.
Purchase directly online. Subscription activation and license key delivery are automatic.
| Modules / Billing | Quartz | Emerald | Sapphire | Diamond |
|---|---|---|---|---|
| Measure Drawings | โ | โ | โ | โ |
| Bills of Quantities | โ | โ | โ | โ |
| Payment Certificates | โ | โ | โ | โ |
| Feasibilities & Estimates | โ | โ | โ | โ |
| Monthly | $10 | $18 | $21 | $29 |
| Quarterly | $30 | $54 | $63 | $87 |
| Half-Yearly | $55 | $99 | $115 | $159 |
| Yearly | $100 | $180 | $210 | $290 |
| Additional License (Yearly only) | $90 | $162 | $189 | $261 |
| Purchase |
After successful payment, your subscription activates automatically and your license key is sent by email. Sign in and account setup are managed inside the desktop app.
See the full workflow live and get practical guidance for your team.
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