Comparison

NDT Worldwide vs Eddy Current Test Prep

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

NDT Worldwide

Features
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We offers targeted training designed to your professional certification's needs. We offer training with On-site Instructor-led courses, Virtual Classroom, eLearning, Online Courses and blended learning options. NDT Training - Worldwide’s faculty of lead trainers and mentor coaches have a cumulative over 10 to 15 years of training and filed experience. These Preparatory courses have been conducted Worldwide.

About

Eddy Current Test Prep

Features
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Prepare for your Eddy Current Testing Level 1, 2 or 3 certification exam with 584 practice questions written by an ASNT NDT Level III. Every question includes a detailed explanation. After each test, Review Missed Questions shows your answer, the correct answer and why. 10 CATEGORIES PER LEVEL Electromagnetic Theory & Physics Signal Parameters & Test Variables Probes & Sensing Elements Instrumentation & Equipment Calibration & Standardization Scanning Techniques & Procedures Signal Interpretation & Display Flaw Sizing & Accept/Reject Criteria Applications Codes, Standards & Professional Practice FEATURES Study mode with instant feedback, or Test mode with scoring 10 to 150 questions per session Answer choices balanced so you can’t guess from length or position Score breakdown by category Eddy current training videos, Online Training Academy and a 5-year Career Planner Covers impedance plane analysis, standard depth of penetration, probe selection, tubing inspection, conductivity sorting, ECA, RFT and more. Aligned with SNT-TC-1A and NAS410 topics. Copyright Skaggs Media LLC dba AMS Level 3

Screenshots

NDT Worldwide4 screens
Eddy Current Test Prep4 screens

Verdict

The call

The clearest difference is price: NDT Worldwide at Free against Eddy Current Test Prep's $14.99. NDT Worldwide also leads on iOS requirement (15.6 vs 26.4). Eddy Current Test Prep's advantage is in-app purchases (none vs 10) and update cadence (every 6 months vs every 16 months). On ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

NDT Worldwide is free to download; Eddy Current Test Prep costs $14.99 up front. NDT Worldwide sells 10 one-off in-app purchases. Eddy Current Test Prep asks for nothing beyond the download.

UpkeepUpdate frequency

NDT Worldwide ships an update every 16 months, Eddy Current Test Prep every 6 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard4 real differences Β· 2 level
NDT Worldwide versus Eddy Current Test Prep: the parameters behind the verdict, then further details
ParameterNDT WorldwideEddy Current Test Prep
PriceFree β€” better$14.99
Update frequencyEvery 16 monthsEvery 6 months β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.6 β€” better26.4
Further details β€” not scored
Size265 MB2 MB
Age rating17+4+
DeveloperWWNDT SERVICES PRIVATE LIMITEDSkaggs Media LLC

In-app purchases

10 purchases

NDT Worldwide

One-time10
  • ASTM E165$44.99
  • ASTM E2582$44.99
  • ASTM E2375$54.99
Show 7 more
  • ASTM E709$54.99
  • ASTM E2375$69.99
  • ASNT MT Level III Examination$219.99
  • ASNT NDT Level III-BASIC$299.99
  • ASNT UT Level III Examination$299.99
  • ASNT ML Level III Examination$399.99
  • ASNT NDT Level III BASIC$449.99
None

Eddy Current Test Prep

No in-app purchases

Questions

Is NDT Worldwide free?
NDT Worldwide is free to download, with in-app purchases available.
Is Eddy Current Test Prep free?
Eddy Current Test Prep costs $14.99, with no in-app purchases.
Do NDT Worldwide or Eddy Current Test Prep have ads?
Neither NDT Worldwide nor Eddy Current Test Prep shows ads.
Which is updated more often, NDT Worldwide or Eddy Current Test Prep?
NDT Worldwide ships an update every 16 months, and Eddy Current Test Prep every 6 months. Most recently, NDT Worldwide was updated on November 7, 2026 and Eddy Current Test Prep on October 31, 2026.

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