
Stop Memorizing Code Books. Start Solving.
Master NEC, IMC, ASHRAE & SMACNA codes through addictive puzzles rooted in real-world installations. Built for UA, IBEW & SMACNA apprentices.
6 Puzzle Types
Learn by Doing, Not Reading
Every puzzle is rooted in real installation scenarios. Every explanation cites the actual code section.
What's Wrong?
Spot code violations in real installations. Tap the component that doesn't meet code.
What's Missing?
Identify missing components from a complete-looking install before it fails inspection.
Build the Assembly
Drag and drop parts into the correct assembly order. Get the sequence wrong, it won't pass.
Size It Right
Calculate correct component sizing using real formulas from ASHRAE, NEC, and SMACNA standards.
Sequence the Install
Reorder shuffled installation steps. Real-world sequencing matters on the jobsite.
Code or No Code?
Does this scenario pass inspection or not? Binary judgment calls rooted in actual code sections.
10 Trades
Your Trade. Your Code. Your Puzzles.
5 core trades free. 5 premium specialty trades for advanced cross-trade knowledge.

HVAC / Sheet Metal
SMACNA / UA
Plumbing
UA Local
Electrical
IBEW Local
Pipefitting
UA Local
Building Controls
IBEW / NECA
Data Center Design
IBEW / SMACNA / UA
Central Plant Design
UA / SMACNA
Healthcare Facilities
UA / IBEW
High-Rise MEP
UA / IBEW / SMACNA
Industrial Process
UA / IBEW
How It Works
Five Minutes a Day Builds Real Code Knowledge
Pick Your Trade
Choose from HVAC, Plumbing, Electrical, Pipefitting, Controls, and 5 premium specialties.
Solve Real Puzzles
Every puzzle is based on real installation scenarios from actual construction project specs and plans.
Learn the Code
Every answer explanation cites the actual code section — NEC, IMC, ASHRAE, SMACNA. You learn the 'why' behind every answer.
Pricing
Start Free. Go Pro When You're Ready.
Free
- ✓3 puzzles per day
- ✓Difficulty levels 1-2
- ✓All 5 core trades
- ✓Progress tracking
- ✓Daily code tips
Pro
or $79.99/year Save 33%
- ✓Unlimited puzzles
- ✓All difficulty levels
- ✓All 10 trades (base + specialty)
- ✓Full code reference library
- ✓Spaced repetition reviews
- ✓Priority support
For Training Programs
Bulk Licensing for JATC & Training Centers
Training directors and JATC coordinators: CraftIQ offers volume discounts for apprenticeship programs. Bring CraftIQ to your entire training center.
Real Standards
Every Answer Cites the Actual Code
No generic trivia. Every puzzle references real code standards used on the jobsite.
Gamification
Earn Your Stripes
Track your journey from 1st Year to Master with XP, streaks, achievements, and leaderboard rankings.












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