VoltExam vs 1 Exam Prep
Both apps help electricians pass licensing exams. But they approach prep very differently — and the price difference is dramatic.
$24.99 one-time
Pay once, use forever. Mobile-first. Offline.
- ✓ Built-in trade calculators
- ✓ 23 certifications covered
- ✓ Full offline — no Wi-Fi needed
- ✓ No account or login required
$215–$299 / course
Per-course subscription. Instructor-led content.
- ✓ Video instruction included
- ✓ 800+ practice questions
- ✕ No built-in calculators
- ✕ Requires internet connection
1 Exam Prep costs up to 16× more than VoltExam.
At $215–$299 vs $24.99, you could buy every VoltExam app for the price of a single 1 Exam Prep course.
Feature-by-Feature Comparison
| Feature | VoltExam | 1 Exam Prep |
|---|---|---|
| Pricing model | One-time purchase | Subscription per course |
| Price | $24.99 forever | $215–$299 per course |
| Access after stopping payment | ✓ Keep forever | ✕ Lose access immediately |
| Offline access | ✓ Full offline | Requires internet connection |
| Built-in trade calculators | ✓ Included (voltage drop, load chart, pipe sizing, etc.) | ✕ Not included |
| Number of trades covered | 24 certifications | ~2–3 courses (electrician focus) |
| Question bank size | 1,000+ per app | 800+ questions per course |
| Free to download | ✓ Yes | Requires enrollment |
| Account required | ✗ No account needed | ✓ Account required |
| Platform | iOS (mobile-first) | Web-based + mobile limited |
| Video instruction | Coming soon | ✓ Included |
| Practice exams | ✓ Full mock exams | ✓ Full mock exams |
| Price per year (3 years) | $24.99 total | $645–$897 total |
Certifications Covered
| Certification | VoltExam | 1 Exam Prep |
|---|---|---|
| Electrician (Journeyman/Master) | ✓ | ✓ |
| HVAC / EPA 608 | ✓ | ✕ |
| Plumber (Journeyman) | ✓ | ✕ |
| CDL Hazmat Endorsement | ✓ | ✕ |
| Crane Operator (NCCCO) | ✓ | ✕ |
| EMT / NREMT | ✓ | ✕ |
| ServSafe Food Manager | ✓ | ✕ |
| AWS Certified Welding Inspector | ✓ | ✕ |
| FAA Part 107 Drone Pilot | ✓ | ✕ |
| Real Estate License | ✓ | ✕ |
| Notary Public | ✓ | ✕ |
| Security Guard | ✓ | ✕ |
| Forklift / OSHA | ✓ | ✕ |
Frequently Asked Questions
Is VoltExam cheaper than 1 Exam Prep?
Yes. VoltExam costs $24.99 one-time. 1 Exam Prep costs $215–$299 per course. Over 3 years, VoltExam costs $24.99 total — 1 Exam Prep costs $645–$897 for a single electrician course.
Does 1 Exam Prep have better content than VoltExam?
1 Exam Prep offers instructor-led video courses, which works well if you prefer structured, guided instruction. VoltExam focuses on mobile-first, question-driven practice with built-in job-site calculators. For fast, affordable exam prep without video, VoltExam is the clear winner.
Can I use VoltExam offline?
Yes. VoltExam downloads completely to your device and works offline — no Wi-Fi or cell signal needed. Study on the job site, in a basement, or anywhere with limited connectivity. 1 Exam Prep requires internet.
How many electrician exam questions does each app have?
VoltExam has 1,000+ electrician practice questions. 1 Exam Prep has 800+ questions per course. Both provide solid coverage, but VoltExam's questions are curated for exam relevance plus you get built-in job-site calculators.
Which app covers more certifications?
VoltExam covers 23 certifications across electrician, HVAC, plumbing, CDL hazmat, crane operator, EMT, real estate, and more. 1 Exam Prep focuses primarily on electrician licensing.
$24.99 once. 23 trades. Offline. No account.
Get 1,000+ practice questions, built-in calculators, and lifetime access — for less than what 1 Exam Prep charges for a single course.
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