Sparky AI vs Mometrix vs JobTestPrep — IBEW Test Prep Compared
Mometrix and JobTestPrep are the two most well-known paid prep services for the IBEW aptitude test. Both work. But both sell test prep that becomes useless the day you take the test — and neither is written by an electrician. Here is the three-way comparison.
Feature Comparison
| Feature | Sparky AI | Mometrix | JobTestPrep |
|---|---|---|---|
| Price | Free trial, then $14.99/mo or $79.99/yr | Free articles; paid guide, flashcards & course | $39–79 one-time |
| IBEW practice test | Yes — free, no account | Short free sample; full sets paid | Yes — paid only |
| NEC reference modules | 355+ modules | None | None |
| AI code lookup | Yes | No | No |
| AI mock interview | Yes | No | No |
| Electrical calculators | 9 calculators | None | None |
| Built by an electrician | Yes — IBEW Local 134 journeyman | No — test-prep company | No — test-prep company |
| Mobile app | iOS + Android | Web (mobile access) | Web only |
| Offline access | Yes | No | No |
| Useful after passing the test | Yes — daily on the job | No | No |
Where Mometrix Fits
Mometrix is a general test-prep publisher — its free IBEW academy page has useful articles and sample questions, and its paid tier bundles a study guide, 200+ flashcards, and an online course with 550+ practice questions. The material is competent. But Mometrix credits its content to test-prep editors, not electricians — nobody on the byline has sat for the NJATC exam, walked into a JATC interview, or worked a day in the trade. For the reading and algebra drills that’s fine; for knowing what the test and the process are actually like, it shows.
The Long-Term Value Argument
JobTestPrep charges $79 for test prep only. The moment you pass the test, the subscription is wasted money. Sparky AI gives you free practice for the aptitude test, and the paid app keeps being useful every day on the job for the rest of your career.
For Someone Who Just Wants to Pass the Test
The free Sparky AI practice test plus our study guide and prep course pages will get most applicants ready to pass. You don’t need a paid course unless you’ve tried free resources and they aren’t working.
For Someone Who Will Be an Electrician
Sparky AI is the right call. Get the IBEW prep for free. Once you’re in the apprenticeship, the paid features (AI NEC lookup, 355+ reference modules, 9 calculators) are what you’ll use on real job sites for the next 30 years.
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Frequently Asked Questions
Is JobTestPrep worth it for the IBEW aptitude test?
JobTestPrep offers solid practice materials but charges $39-79 for access that expires after the test. Sparky AI offers a free IBEW practice test and, for paid subscribers, full NEC reference and AI code lookup that remains useful throughout your electrical career.
Is there a free alternative to JobTestPrep for IBEW prep?
Yes. Sparky AI offers a free 20-question IBEW aptitude practice test with no account required. The free test covers all four sections of the NJATC exam with instant results and explanations.
How accurate is JobTestPrep for the IBEW test?
JobTestPrep questions are based on the NJATC format but are created by a test prep company, not licensed electricians. Sparky AI content is verified by an IBEW Local 134 journeyman electrician.
What is the best free IBEW aptitude test prep?
Sparky AI offers the most comprehensive free IBEW aptitude practice test available — 20 questions covering math, reading comprehension, mechanical reasoning, and number sequences, with explanations for every answer.
Is Mometrix good for the IBEW aptitude test?
Mometrix offers competent general test prep — free articles plus a paid study guide, flashcards, and an online course with 550+ practice questions. Its content is written by test-prep editors rather than electricians, so it covers the math and reading mechanics well but not the trade-specific reality of the test, interview, and ranking process.
Mometrix vs JobTestPrep — which is better for IBEW prep?
They are similar: both are test-prep companies selling NJATC-format practice. JobTestPrep is a one-time purchase focused on practice tests; Mometrix adds a study guide, flashcards, and video lessons. Neither is written by electricians, and neither stays useful after test day. Try free resources first.
Related Resources

Michael Briglio
IBEW Local 134 Journeyman · Licensed Contractor · IL Educator
Michael started in the IBEW at 18 and made foreman as a 3rd-year apprentice. Thirteen years in, he’s a Local 134 journeyman, a licensed electrical contractor, a licensed Illinois teacher, and OSHA 30 and EPA 608 certified. He teaches a federally recognized pre-apprenticeship on the south side of Chicago — where he’s helped 100+ students get into the IBEW. He built Sparky AI around exactly what the NJATC exam tests and what trips people up. Prep with this and you walk in ready.
Facts on this page trace to primary sources or first-hand IBEW Local 134 experience — see sources & methodology.
