Construction Calculator vs Chippy Boss

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

Chippy Boss is the all-in-one toolbox for carpenters and serious DIYers. Built by chippies, for chippies. From stair layouts and wall framing to job tracking and cut lists, Chippy Boss helps you work faster, stay organised and avoid costly mistakes on site. CARPENTRY CALCULATORS • Stair calculator - tread & riser thickness, nosing, unfinished flooring thickness & more • Wall framing - straight & raked walls, intersecting walls, double studs, full cut lists, reversible layout direction, stud spacing, long- & short-point cuts • Concrete - slabs, footings & piers with multi-segment support • Cut-list optimiser - get the best use of your sheets with multiple parts to cut • Deck gaps - calculate board gaps and get set out measurements fast • Shiplap / flooring layout - set out boards with expansion gaps every X boards • Triangle calculator & check-for-square measurements • Running measurements with voice recording & read-aloud • Digital spirit level • Live diagrams you can pan, zoom and expand --- ON-SITE WORKFLOW • Jobs Hub - save calculations against any job, with client details & notes • Time tracking - log hours & tasks against every job • Works fully offline - syncs automatically when you’re back online • Metric & Imperial support throughout, including fractional inches --- CHIPPY SUBSCRIPTION (Pro) Unlock every calculator and advanced feature: • Cut-list optimiser • Wall framing • Running measurements (with read-aloud & voice recording) • Stair calculator • Shiplap / flooring layout • Deck gaps • Concrete calculator • Triangle calculator • Digital spirit level Plus: • Unlimited saved jobs & clients • Log hours • Save calculations to jobs • Save notes to jobs --- FREE (Apprentice Tier) Includes: • Running measurements (without read-aloud) • Triangle calculator • Digital spirit level • Basic concrete volumes • Basic wall framing • Log hours for one saved job --- • Chippy Monthly - cancel anytime • Chippy Yearly - save approximately 17%, cancel anytime --- Free Trial - Enjoy full access to every feature free for 14 days Cancel anytime before your trial ends to avoid charges. Local pricing is shown at checkout. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current subscription period. You can manage or cancel your subscription anytime in Settings → Apple ID → Subscriptions. --- Privacy first No ads No tracking pixels No selling your data Privacy Policy: https://chippyboss.com/privacy Terms of Use (EULA): https://app.chippyboss.com/terms