Building Assistant

Building Assistant is the all-in-one offline calculator for construction sites and urban design planning. Built for contractors, site engineers, architects, quantity surveyors, civil engineers, and developers who need fast, accurate quantities on site and in the office. WORK 100% OFFLINE No account. No cloud. No internet required. All projects, calculations, and settings stay on your device — ideal for remote sites and poor connectivity. TWO PROFESSIONAL MODULES CONSTRUCTION (70+ calculators) • Concrete — rectangular, circular, trapezoidal footings, raft, stairs, T-beams, dome segments, blinding, mix design, curing • Reinforcement — rebar weight, stirrups, lap & development length, mesh, column steel estimates, slab bar layout • Masonry — bricks, blocks, AAC, stone, mortar, cavity insulation, DPC membrane • Finishes — plaster, paint, tiles, gypsum board, skirting, false ceiling, epoxy flooring • Earthwork — excavation, trenches, embankments, backfill, soil bulking, compaction • Formwork, roofing, waterproofing, tanks, and quick on-site geometry tools URBAN DESIGN & SITE PLANNING (40+ calculators) • Zoning — FAR, net FAR, site coverage, open space, setbacks, height vs setback, podium/tower split • Site planning — parking, bicycle bays, visitor parking, loading docks, density, subdivision, building bulk • Infrastructure — stormwater runoff, detention ponds, road area, fire access, EV charging, traffic generation • Accessibility — ramp slope (1:12), accessible parking, corridor egress width • Environment — solar roof potential, impervious surface ratio, permeable pavement, public open space REAL-TIME RESULTS Enter dimensions once and see live results. Adjust wastage % on material calculators. Switch metric/imperial preferences in Settings. ORGANIZE YOUR WORK • Save calculations to named projects (client, site address, notes) • Full history with favorites filter • Star your most-used calculators for quick access PROFESSIONAL PDF REPORTS (PRO) Export polished calculation reports with inputs, results, formula notes, and your company name — ready for site records, submissions, or client handover. FREE TO START The free plan includes 13 essential calculators, up to 3 projects, and 15 saved calculations — enough to try Building Assistant on real jobs. BUILDING ASSISTANT PRO Upgrade for all 118 calculators, unlimited projects and history, and PDF report export. Start with a 3-day free trial, then billed monthly through your Apple ID. Cancel anytime in Settings → Apple ID → Subscriptions. PRIVACY FIRST We do not require an account. We do not collect your calculation data, project details, or personal information. No analytics SDKs. No ad tracking. Purchase processing is handled entirely by Apple. Download Building Assistant and carry a full engineering toolkit in your pocket. Privacy Policy: https://makeenai.com/offlineprivacypolicy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/