# Construction Drawings Pro — Drawings, Codes & Calculators

> Drawings, Codes & Calculators (iPhone/iPad app by Yuhsiu Lai.)

- Source: https://appshunter.io/ios/app/construction-drawings-pro/id6780938019 (this page in markdown: same URL + `.md`)
- Developer: [Yuhsiu Lai](https://appshunter.io/developer/433114647)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 808 MB
- Languages: American English
- Released: 2026-06-19
- Data updated: 2026-08-26
- User reviews in markdown: https://appshunter.io/ios/app/construction-drawings-pro/id6780938019/reviews.md

## What is Construction Drawings Pro?

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.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Construction Drawings | $4.99 | one-time |
| House Construction Drawings | $4.99 | one-time |
| Residential Blueprints | $4.99 | one-time |
| SFH Workflow Pro | $4.99 | one-time |
| All Modules Bundle | $8.99 | one-time |



## Version history (last 1 release)

### 2.0 — 2026-06-19

No release notes.

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## More apps by Yuhsiu Lai

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All apps by Yuhsiu Lai: https://appshunter.io/developer/433114647

## Related topics

[construction drawings pro](https://appshunter.io/ios/topics/construction-drawings-pro)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*