Construction Calculator vs AlphaSniffer

Build faster, measure smarter. Pro² is a complete construction calculator for decking, roofing, concrete, stairs, framing and precise on-site measurements. It’s made for builders, carpenters, contractors and serious DIY who need accurate answers in seconds. DECKING & FLOORING • Area, board runs, spacing and waste allowance • Material takeoff for boards and joists ROOFING (METAL & TILE) • Coverage and sheet/tile counts • Overhangs, pitch, angle and rafter length helpers STAIRS & STRINGERS • Rise/run, slope %, angle (°) and stringer length • Clear breakdowns and step-by-step visuals BALUSTERS, RAILING & EVEN SPACING • Perfect marks from 0 to full length • Spacing tables for clean, consistent layouts CONCRETE, ASPHALT, GRAVEL & SOIL • Volume estimators for slabs, pads, footings and fills • Smart rounding for real-world quantities SLOPE, PITCH & ANGLES • Fast framing helpers for cuts and layout • Metric and imperial support in every tool UNIT CONVERTER • Length, area, volume, density and weight • Built for mixed-unit jobs (mm, ft, inches) QUICK CALCULATOR • Running history with one-tap copy/share MADE FOR THE JOBSITE • Fraction support and practical defaults • Works fully offline—no signal required • Clean visuals that stay readable outdoors WHY PROS USE PRO² • One app instead of juggling multiple separate tools • Accurate results, simple inputs and clear diagrams • New tools and improvements arrive regularly based on user feedback Pro² is built for professional construction, carpentry, decking, roofing and framing work—yet intuitive enough for DIY home projects. Upgrade to unlock additional tools and advanced features when you’re ready to grow your toolkit. SUBSCRIPTION TERMS • Carpenter Pro is an optional auto-renewing subscription with Weekly and Annual plans. • A 3-day free trial is available on the Annual plan. • Payment is charged to your Apple ID and subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. • You can manage or cancel your subscription in your App Store account settings. • Lifetime is a one-time purchase and does not auto-renew. • The localized price is shown in-app before you confirm. Terms of Use (Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shapkin.dev/apps/carpenter/privacy.html

The RadonTec AlphaSniffer app is the perfect tool for radon experts to precisely identify radon entry paths in buildings. Designed for use with the RadonTec AlphaSniffer, this app offers a user-friendly interface and extensive features to optimize your measurements. Key Features: Real-Time Data Display: Monitor your measurements in real-time directly on your iOS device. Radon and Thoron Differentiation: Utilize the advanced technology of the AlphaSniffer to distinguish between radon and thoron. Data Export: Easily export your measurement data for further analysis and reporting. Smart and Standard Measurement: Choose between different measurement modes to meet your specific requirements. User-Friendly Interface: Intuitive operation and clear display of all relevant measurement data. Why the AlphaSniffer App? Precise Measurements: Maximize the accuracy of your radon measurements. Flexibility: Use the app for both summer and winter measurements. Efficiency: Simplify your workflows and improve data management. NOTE: THIS IS NOT A STANDALONE APP, IT MUST BE USED WITH ALPHASNIFFER RADON DETECTORS. You can purchase the device here: RadonTec AlphaSniffer Download the RadonTec AlphaSniffer app now and utilize the full potential of your AlphaSniffer device! Alpha Sniffers can be purchased at: https://www.radonshop.com/RadonTec-AlphaSniffer-EN