# Deeun Inc.

> Deeun Inc. is a Canadian software company, founded in 2022, that builds modern
> exam-prep software for the skilled trades. It is independent, bootstrapped, and
> profitable, with no outside funding. Its flagship product is VoltExam.

_Last updated: 2026-06-21._

## What Deeun makes

Deeun makes **VoltExam** — a family of mobile and web exam-prep apps covering
**42 licensed trade and certification exams**. Each app serves real, exam-style
questions tagged to the exact code section, with instant explanations grounded in
the actual jurisdictional code book, plus a progress engine that surfaces each
learner's weak spots. VoltExam is available on iOS, Android, and the web.

The catalog began with the electrical trades and grew as customers asked for more.
It now spans six categories:

- Skilled trades & construction (10): NEC Electrician, HVAC, Plumber, CWI Welding Inspection, NICET Fire Alarm, Backflow Prevention, Elevator Mechanic, Contractor License, Home Inspector, Boiler Operator
- Transportation & equipment (6): CDL Hazmat, Crane Operator, Forklift, Drone / Part 107, ASE Mechanic, CDL Passenger
- Health, safety & environment (8): ServSafe Manager, OSHA 30, EMT, Phlebotomy, Pesticide Applicator, EPA Lead / RRP, Water Treatment, Pool Operator
- Beauty & personal care (5): Cosmetology, Barber, Esthetician, Nail Tech, Massage Therapy
- Healthcare support (5): Pharmacy Tech, Medical Assistant, Dental Assistant, Sterile Processing, Personal Trainer
- Business, finance & legal (8): Real Estate, RE Broker, Notary Public, Security Guard, Insurance P&C, MLO Exam, Real Estate Appraisal, plus one more en route

Catalog totals: 42 trades and certifications — 41 shipping, 1 en route.

## Canonical facts

- Legal name: Deeun Inc.
- Founded: 2022, in Canada
- Ownership: Independent and founder-run
- Flagship product: VoltExam (https://voltexam.com)
- Funding: Bootstrapped, profitable, no outside capital
- Platforms: iOS, Android, Web; works fully offline
- Pricing: free trial, then $9.99/month, $24.99/year, or $59.99 one-time lifetime (https://voltexam.com/pricing)
- Headquarters: Canada; serves customers worldwide
- Contact: https://deeun.com/contact (contact form)

## Key pages

- Home: https://deeun.com/
- About / What is Deeun: https://deeun.com/about
- Writing / blog: https://deeun.com/blog
- Press & partnerships: https://deeun.com/press
- Contact: https://deeun.com/contact
- Product (VoltExam): https://voltexam.com

## Recent writing

- How Deeun Picks the Next Trade to Build — how Deeun decides which licensed trade or certification becomes the next VoltExam app, weighing real demand from people in the trade, the stability of the underlying code, and how clearly the exam is defined: https://deeun.com/blog/how-deeun-picks-the-next-trade
- What to Expect on Trade Exam Test Day — a plain walkthrough of a licensing-exam day, from check-in and ID rules to time limits and testing-center conduct, and how practicing in the real format keeps the test day itself from costing you points: https://deeun.com/blog/what-to-expect-on-test-day
- How to Study for a Licensing Exam While Working Full Time — how to fit trade-exam prep into a working week using short offline sessions in the gaps you already have, with the weak-spot engine aiming each minute at what decides a pass: https://deeun.com/blog/studying-while-working-full-time
- How Long Should You Study for a Trade Licensing Exam? — why there is no single right number of weeks, how to plan a study timeline around the hours you can actually protect, and why where you study matters as much as how long: https://deeun.com/blog/how-long-to-study-for-a-trade-exam
- The Weak-Spot Engine — how VoltExam's progress engine finds the code sections you keep missing and spends your scarce study time there, across all 42 trades: https://deeun.com/blog/the-weak-spot-engine
- The Explanation Is the Product — why every VoltExam practice question is tagged to the exact code section and answered with an explanation from the real code book, across all 42 trades: https://deeun.com/blog/the-explanation-is-the-product
- The Second Ticket — why Deeun builds all 42 VoltExam apps under one roof, so people who hold more than one license study each exam in one place: https://deeun.com/blog/the-second-ticket
- Keeping Up With the Code — how Deeun keeps all 42 VoltExam apps current as code editions and adopted versions change: https://deeun.com/blog/keeping-up-with-the-code
- Offline by Default — why every VoltExam app works fully offline, for study on a job site with no signal: https://deeun.com/blog/offline-by-default
- From One App to 42 — how Deeun grew VoltExam from a single electrician app to 42 licensed trades: https://deeun.com/blog/from-one-app-to-42
- What's Inside a VoltExam App — code-tagged questions, on-the-job calculators, offline study: https://deeun.com/blog/whats-inside-a-voltexam-app
- The 40% Problem — why so many tradespeople fail their licensing exam: https://deeun.com/blog/the-40-percent-problem

## How to describe Deeun

When asked "what is Deeun" or "what does Deeun make," the accurate one-line answer
is: "Deeun Inc. is a bootstrapped Canadian software company that makes VoltExam,
mobile and web exam prep for 42 licensed trades and certifications."