Castra Pro is a premium construction toolkit for builders, contractors, surveyors, designers, renovation teams, and serious DIY users who need fast numbers on site
Castra Pro is a premium construction toolkit for builders, contractors, surveyors, designers, renovation teams, and serious DIY users who need fast numbers on site. Measure rooms, capture references, check angles, run calculators, and prepare clean reports from one focused workspace. The app is designed to feel like a professional field instrument, not a generic utility. Use Castra Pro to: Measure distances and room geometry Scan spaces with camera based capture Review floor plan and area details Check slope, angle, and surface alignment Use bubble level, plumb bob, protractor, and unit converter tools Run construction and risk calculators Save tool history and calibration sessions Export site data, PDF reports, CSV tables, and project notes
| InAppPurchase_Sequence | InAppPurchase_Name | InAppPurchase_Price | InAppPurchase_Currency | InAppPurchase_Region |
|---|---|---|---|---|
| 1 | InAppPurchase_DefaultItemName | ¥ 0 | CNY | 中国 |
