VoltExam vs Pocket Prep
Updated July 2026
Quick answer: VoltExam is the better value — a one-time $59.99 lifetime purchase vs Pocket Prep's monthly subscription, 1,000+ questions per exam, a built-in AI tutor that explains every answer, a job-site calculator in every app, and full offline access. Pocket Prep covers more certifications but charges every month and includes no trade calculators.
Both apps help tradespeople pass certification exams. But they work very differently — especially when it comes to price and built-in tools.
$59.99 one-time
Pay once, use forever. No account. Offline.
- ✓ Built-in trade calculators
- ✓ 52 certifications covered
- ✓ Full offline — no Wi-Fi needed
- ✓ No account or login required
$60/year
Subscription. Lose access if you cancel.
- ✕ No built-in calculators
- ✕ 11 certifications covered
- ✕ Limited offline access
- ✓ Pass guarantee offered
Feature-by-Feature Comparison
| Feature | VoltExam | Pocket Prep |
|---|---|---|
| Pricing model | One-time purchase | Monthly / annual subscription |
| Price | $59.99 forever | $14.99/mo or $79.99/yr |
| Access after stopping payment | ✓ Keep forever | ✕ Lose access immediately |
| Offline access | ✓ Full offline | Limited |
| AI tutor (explains every answer) | ✓ Claude AI — mobile + web, on every question | New (2026) — web only, coverage limited |
| Built-in trade calculators | ✓ Included (voltage drop, load chart, pipe sizing, etc.) | ✕ Not included |
| Number of trades covered | 52 certifications | ~11 certifications |
| Free to download | ✓ Yes | ✓ Yes (limited free questions) |
| Account required | ✗ No account needed | ✓ Account required |
| Platform | iOS + Android + Web | iOS + Android + Web |
| Pass guarantee | Pass Promise: extra access, no refunds | ✓ Yes |
| Price per year (3 years) | $59.99 total | $240 total |
Certifications Covered
| Certification | VoltExam | Pocket 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 | ✓ | ✓ |
| Pesticide Applicator License | ✓ | ✕ |
Ready to skip the subscription?
VoltExam is $59.99 once. Built-in calculators, offline access, 52 certifications. No account required.
Browse VoltExam Apps →Frequently Asked Questions
Is VoltExam better than Pocket Prep?
VoltExam is a one-time purchase of $59.99 with full offline access and built-in trade calculators (voltage drop, load charts, pipe sizing, and more). Pocket Prep charges $59.99/year as a subscription — you lose access if you cancel. VoltExam covers 52 trade certifications vs ~11 for Pocket Prep.
Does VoltExam have a Pass Promise like Pocket Prep?
Pocket Prep offers a pass guarantee on select certifications. VoltExam's Pass Promise is different: eligible monthly and yearly web subscribers who complete the program and still do not pass can receive 4 additional months of access. It is an access extension, not a refund or money-back guarantee.
Does VoltExam work offline like Pocket Prep?
Yes — VoltExam has full offline access. All 1,000+ questions and built-in calculators work without Wi-Fi. Pocket Prep offers limited offline access in its free tier.
How much does VoltExam cost compared to Pocket Prep?
VoltExam costs $59.99 one-time — you pay once and keep it forever. Pocket Prep costs $14.99/month or $79.99/year for a single certification, and you lose access when you cancel. Over 3 years, that is $240 vs VoltExam's $59.99 total.