# 자격증랩 CBT - 기능사, 산업기사, 기사 필기시험 > Core concepts, problem-solving, and mock exams for Craftsman, Industrial Technician, and Engineer certifications all in one place Canonical page: [https://chrome-stats.com/d/com.certlab.certlab](https://chrome-stats.com/d/com.certlab.certlab) ## Overview - **ID:** `com.certlab.certlab` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** LUNA COMPANY - **Category:** EDUCATION - **Downloads:** 183 - **Last updated:** 2026-08-31 - **First published:** 2026-07-21 - **Publisher country:** KR - **Data as of:** 2026-09-12 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.certlab.certlab) - **Privacy policy:** [https://luna-company.co.kr/certlab/privacy.html](https://luna-company.co.kr/certlab/privacy.html) ## Description Start studying for your certifications efficiently now.

Certification Lab is an all-in-one certification learning app designed for learners preparing for Craftsman, Industrial Engineer, and Engineer certifications.

From memorizing core concepts to problem-solving, practice mock exams, and error notes,

it systematically provides the learning process necessary for passing the exam all in one app.

■ Core Concept Learning Features

You can study core theories that are repeatedly tested in certification exams by recalling them directly through fill-in-the-blank exercises in the form of parentheses.

We have enhanced learning efficiency by encouraging you to think with your head and recall the answers yourself, rather than simply reading the text.

- Repetitive learning of core concepts
- Memorization via fill-in-the-blanks
- Quick concept review
- Organization focused on high-frequency test content

■ Solving Today's Problems

You can build a consistent study habit through problems provided daily.

It is designed to help you maintain your practical skills by solving problems without pressure, even in a short amount of time. - Learn new problems every day
- Provides problems focused on actual exam types
- Check answers and explanations
- Supports repetitive learning

■ Real-world Mock Tests

We provide a mock test feature that allows you to solve problems just like in an actual certification exam.

You can train for the real exam while keeping track of the time in an environment similar to the actual test.

- Real-world problem composition
- Practice exam atmosphere
- Solving problems based on time limits
- Check scores and results

■ Incorrect Answer Notes

You can collect only the questions you got wrong and study them again.

You can efficiently reinforce your weaknesses by repeatedly studying the problems you frequently get wrong.

- Save desired incorrect answers
- Re-learn incorrect answers
- Focus on managing weak areas
- Supports repetitive review

■ Community Board

You can share information with others preparing for the certification.

Maintain your motivation to study by sharing various information, such as study tips, exam reviews, and Q&A.

- Free Board

- Information Sharing

- Writing Exam Reviews
- Learning Communication Features

■ Recommended for:

- Those preparing for the Craftsman certification

- Those preparing for the Industrial Engineer exam

- Those aiming to pass the Engineer certification

- Those who find memorizing core concepts difficult

- Those who want to combine problem-solving with practical exam practice

- Those who want to study efficiently through error management

Complete your entire study routine for passing your certification with just one app, Certification Lab.

Core concept learning + problem-solving + mock exams + error notes + community features—start your systematic certification studies now. ## Rankings - #1,746,497 — Overall ## Similar extensions and apps - [모두의 자격증: 자격증 시험 문제풀이](https://chrome-stats.com/d/kr.logiccraft.certnote) — 49 users - [자격증마스터](https://chrome-stats.com/d/com.min21.cert_master) — 32 users - [문제은행 OnCBT: 기사·산업기사·기능사 기출 CBT](https://chrome-stats.com/d/com.oncbt.app) — 107 users - [나눔CBT - 산업안전기사·건설·산위생 필기,실기CBT](https://chrome-stats.com/d/com.nanumcbt.android) — 5,229 users - [전자문제집 CBT - 공무원자격증](https://chrome-stats.com/d/com.tomatocx.cbtestpro.android) — 6,741 users - [맞추다 - 자격증 CBT 기출문제 전기 건축 산업안전](https://chrome-stats.com/d/com.valueismlab.machuda) — 126,290 users - [IT Quiz Pilot: Cert Prep](https://chrome-stats.com/d/com.aidenslab.it_explorer_quiz) — 274 users - [선넘는 자격증](https://chrome-stats.com/d/com.dmonster.nextstudy.v1) — 750 users - [단트키](https://chrome-stats.com/d/com.linchpinedu.cbt) — 1,132 users - [파이낸셜랩 - 모든 금융자격증을 한 곳에서](https://chrome-stats.com/d/kr.co.financiallab.twa) — 589 users - [技檢通-甲乙丙單一級學科練習](https://chrome-stats.com/d/com.techcerti.android) — 4,390 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.certlab.certlab)