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CWI Prep

IndustrialLive on App Store

CWI Prep is an iOS app for the AWS Certified Welding Inspector (CWI) exam — it includes 500+ practice questions covering all three exam parts (Fundamentals, Practical, Code Book) and a built-in Weld Symbol Decoder that translates AWS A2.4 symbols into plain English, for $59.99 with lifetime access, no subscription, works offline.

iOS & Android · Free to download · $59.99 one-time unlock

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493+Practice Questions
5.0 ★App Store Rating
OfflineNo Wi-Fi Needed
$59.99Lifetime Access

Why CWI Prep?

Weld Symbol Decoder

Weld Symbol Decoder — build any AWS A2.4 symbol and get an instant plain-English interpretation

493+ Practice Questions

500+ 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 $59.99.

Step 02

Practice Daily

Built-in Weld Symbol Decoder plus full practice questions — not just quizzes.

Step 03

Pass First Try

$59.99 once. No subscriptions. No recurring fees.

Pricing

Best Value

VoltExam

$59.99one-time

  • Pay once, use forever
  • No monthly fees
  • Full offline access
  • All updates included

Competitors

$60–$180/year

  • Subscription required
  • Lose access if you cancel
  • Often requires Wi-Fi
  • Recurring fees forever

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.

Ready to Pass?

Free to download. Unlock everything once for $59.99 — no subscription.

Free Web Tools

Free CWI Prep Practice Questions

Browse topic-by-topic in your browser — no app required

Try Free →

Free Study Hub — Web App

Read the guide, memorize with flashcards, and test yourself — all in your browser, no download required.

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