Construction Drawings Pro
Drawings, Codes & Calculators
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Four pro reference libraries in one: 235+ construction drawings, full IRC & NEC code guides, a 17-phase electrical design workflow, and 20+ engineering calculators.
Construction Drawings Studio is the all-in-one visual reference for anyone who works with buildings — from foundation to finish. Whether you're a builder verifying a detail on site, a student learning how structures go together, or an engineer designing a residential electrical system, every drawing, code reference, and calculator you need is here, fully offline.
The Studio brings together four complete reference libraries:
CONSTRUCTION DRAWINGS — Structural & Architectural
• 29 detailed engineering illustrations, foundations through roof framing
• Chapter-organized library with study progress tracking
• Pinch-to-zoom viewer, favorites, and personal notes
• 7-chapter drawing reference guide
HOUSE CONSTRUCTION DRAWINGS — Foundation to Finish
• 70+ illustrations across 14 categories
• Full-screen swipeable gallery
• Complete IRC (International Residential Code) reference chapters
• Construction glossary and project checklist
RESIDENTIAL BLUEPRINTS — Interactive Learning Studio
• 136 drawings across 11 disciplines
• Interactive quiz with 60+ questions
• Per-category progress tracking and annotation notes
• 7-chapter educational guide
SFH WORKFLOW PRO — Single Family Electrical Design
• Complete 17-phase residential electrical distribution workflow
• NEC 2023 load calculator and voltage-drop calculator
• Covers 400A service, solar, battery storage (BESS), and EV charging
• Deliverables tracker, coverage scoring, and PDF report generation
PLUS engineering calculators across the suite for fast, accurate field math.
WHY YOU'LL LOVE IT
• Works completely offline — no account, no uploads, no internet required
• 235+ professional drawings in one searchable place
• Real code references: IRC and NEC 2023
• One-time purchase per module, or save with the all-modules bundle — no subscriptions
• Designed for builders, electricians, students, inspectors, and engineers alike
From your first foundation detail to a fully documented electrical design, Construction Drawings Studio puts a complete construction reference library in your pocket.
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The developer, Yuhsiu Lai, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yuhsiu Lai
- Size
- 847.7 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- All Modules Bundle $8.99
- SFH Workflow Pro $4.99
- Residential Blueprints $4.99
- House Construction Drawings $4.99
- Construction Drawings $4.99
- Copyright
- © 2026 iTech Tools