Apps / CWI Prep
CWI Prep
IndustrialLive on App StoreCWI Prep is an iOS app for the AWS Certified Welding Inspector (CWI) exam — it includes 1,000+ practice questions covering all three exam parts (Fundamentals, Practical, Code Book) and a built-in weld inspection reference, for $17.99 with lifetime access, no subscription, works offline.
iOS · Free to download · $17.99 one-time unlock
Why CWI Prep?
Weld Inspection Reference
AWS D1.1 weld inspection reference with prequalification and acceptance criteria
1,000+ Practice Questions
1,000+ CWI exam questions covering all three AWS exam parts (Fundamentals, Code, Practical)
Works Offline
Full offline access — study in the shop, field, or job trailer without Wi-Fi
Progress Tracking
Per-topic progress tracking across all three AWS CWI exam parts
How It Works
Step 01
Download Free
Free to download on the App Store — unlock everything once for $17.99.
Step 02
Practice Daily
Built-in calculators you'll use on the job — not just quizzes.
Step 03
Pass First Try
$17.99 once. No subscriptions. No recurring fees.
Pricing
VoltExam
$17.99one-time
- ✓ Pay once, use forever
- ✓ No monthly fees
- ✓ Full offline access
- ✓ All updates included
Competitors
$20+/month
- ✕ Subscription required
- ✕ Lose access if you cancel
- ✕ Often requires Wi-Fi
- ✕ $240+ per year
Trusted by Tradespeople
“AWS CWI cleared on first attempt. The D1.1 questions are very close to what they actually test.”
— David K., Weld Inspector, Pennsylvania
“The weld inspection reference is something I still use on the job, months after passing. Best $17.99 I've spent.”
— Ray S., CWI Inspector, Michigan
Frequently Asked Questions
What is on the AWS CWI exam?
The AWS Certified Welding Inspector (CWI) exam has three parts: Part A (Fundamentals — 150 questions on welding theory, symbols, and safety), Part B (Practical application using AWS D1.1 or another code book), and Part C (Code Book open-book exam). All three must be passed.
How hard is the CWI exam?
The CWI exam has a first-time pass rate of roughly 50%. Part B (practical) is considered the most difficult. Strong knowledge of welding symbols, discontinuities, and NDE methods is essential. VoltExam's CWI Prep focuses on the highest-yield topics.
How many questions are on the CWI exam?
Part A has 150 questions (2.5 hours). Part B has 46 questions (2 hours). Part C has 60 questions (2 hours) using an approved code book. Total exam time is approximately 6.5 hours.




