Comparison

NEC Code Exam Prep vs Yellow Book Reference

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

Head to head
About

NEC Code Exam Prep

Prepare for electrical licensing exams with practice questions and mock tests covering the National Electric Code. Features include detailed explanations for correct answers and personalized result history.

Highlights
  • Practice mode with answer explanations
  • Real exam style timed mock exams
  • Customizable quick mock exams
  • User profiles and result history
  • Regularly updated practice tests
Features
Read full description

NEC Code Exam Quiz National Electric Code (NEC) is a standard adopted in the United States of America for the safe installation of electrical wiring and components. For obtaining a license for carrying out electrical-related works, in depth understanding of the code is necessary. Almost all the license exams will have a section related to the NEC code. NEC code is not a book to read just before the exam. The best way to learn the NEC Code is through interaction with others (group study) and by attempting a number of practice tests. NEC Code consists of 9 chapters each divided into four groupings: General Requirements; Specific Requirements; Communications Systems and Tables Chapter 1: General Chapter 2: Wiring and Protection Chapter 3: Wiring Methods and Materials Chapter 4: Equipment for General use Chapter 5: Special Occupancies Chapter 6: Special Equipment Chapter 7: Special Conditions Chapter 8: Communications Systems Chapter 9: Tables โ€“ Conductor and Raceway Specifications Features: โ€ข In practice mode you can see the explanation describing the correct answer. โ€ข Real exam style full mock exam with timed interface โ€ข Ability to create own quick mock by choosing the number of MCQโ€™s. โ€ข You can create your profile and see your result history with just one click. This section consists of National Electric Code (NEC) Code Practice Questions which help in learning the code easier. Each test consists of 10 to 15 questions. This section is updated regularly hence requested to visit again for more practice tests.

About

Yellow Book Reference

Features
Read full description

Yellow Book Reference gives you fast, searchable access to the hazard classification data found in the U.S. Army Defense Ammunition Center's Yellow Book, Revision 19 (February 2021). Look up hazard classes and DODIC-related classification information for U.S. military explosives and munitions, all from an offline app built for field and warehouse use. Key features: - Full offline access -- no internet connection required once installed - Fast search across hazard classification data - Clean, mobile-friendly layout for quick field reference - No ads, no account required, no data collection This app is an independent reference tool for ammunition surveillance personnel, safety officers, and logistics staff who need quick access to hazard classification information. It reproduces publicly available reference data for informational purposes only and is not affiliated with, endorsed by, or sponsored by the Department of Defense, U.S. Army, or the Defense Ammunition Center. Always confirm current classifications against official published sources before making operational or safety decisions.

Screenshots

NEC Code Exam Prep3 screens
Yellow Book Reference4 screens

Verdict

The call

The clearest difference is chart position: Yellow Book Reference at #58 against NEC Code Exam Prep's #187. NEC Code Exam Prep's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

NEC Code Exam Prep costs $9.99 and Yellow Book Reference $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences ยท 7 level
NEC Code Exam Prep versus Yellow Book Reference: the parameters behind the verdict, then further details
ParameterNEC Code Exam PrepYellow Book Reference
Price$9.99$9.99
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 39 monthsโ€”
AdsNoNo
In-app purchasesNoNo
MonetizationPaidโ€”
Best chart rank#187#58 โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size20 MB3 MB
Age rating4+4+
DeveloperSayma TasnimArmando Archuleta

In-app purchases

None

NEC Code Exam Prep

No in-app purchases

None

Yellow Book Reference

No in-app purchases

Questions

Is NEC Code Exam Prep free?
NEC Code Exam Prep costs $9.99, with no in-app purchases.
Is Yellow Book Reference free?
Yellow Book Reference costs $9.99, with no in-app purchases.
Do NEC Code Exam Prep or Yellow Book Reference have ads?
Neither NEC Code Exam Prep nor Yellow Book Reference shows ads.
Which is more popular, NEC Code Exam Prep or Yellow Book Reference?
NEC Code Exam Prep currently peaks at #187 in the App Store charts, and Yellow Book Reference at #58. Chart position reflects recent download velocity rather than total install base.

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