건안기 - 건설안전기사 필기 시험 대비

For the Construction Safety Engineer written exam, how you review is more important than how many questions you solve.

DayPrep focuses on a learning flow that highlights your weaknesses and brings back problems you've already solved before you forget them. You can study continuously within a single app, from 1,000 in-house created questions across 5 subjects to CBT mock exams, error notes, and FSRS smart review.

[Key Features]

1,000 In-house Created Questions for 5 Subjects

Learn the entire scope of Industrial Accident Prevention and Safety & Health Education, Ergonomics and Risk Assessment & Management, Construction Materials, Construction Management, and Construction Safety Management by subject and unit. These questions were created based on the publicly available official exam scope and learning objectives.

Answer Explanations and Detailed Option Analysis

Check the correct answer and key explanation for each question. The detailed explanations allow you to examine key concepts and each option together, helping you clarify why you were confused.

Problem Solving by Subject and Unit

Select the subjects and units you want to study. On the full question screen, you can use search, filter, and sort functions to find the questions you need.

10-Question Start Diagnosis and Today's Recommendations

Initially, you check your current status with diagnostic questions covering 5 subjects. As your study history accumulates, it guides you through recommended sets that reflect your weak subjects and questions to review.

FSRS Smart Review

Adjusts review intervals for each question based on your memory status. Since it collects and displays questions due for review, you do not need to calculate your schedule manually.

Review Notifications

Notifies you of today's study and review at your set time. This allows you to maintain a consistent study flow.

Weakness Heatmap and Frequency of Appearance

Compares correct answer rates by subject and unit using color coding. You can identify weak areas and the frequency of appearance by unit, and jump directly to the relevant questions.

Incorrect Answer Notes and Questions to Review

Incorrect answers are automatically collected, and you can manually add specific questions to your review box. Leave your own notes for each question to review together during your next review session.

CBT Practical Mock Exam

Solve 100 questions across 5 subjects, tailored to the official written exam format, within 150 minutes. Check results based on a 40-point standard per subject and an overall average of 60 points, and manage your highest scores and test records.

Learning Status and Continuous Study
On the home screen, check the number of questions solved today, cumulative correct answer rate, progress by subject, and consecutive study days. You can also view your highest mock test scores and study records.

Exam Schedule D-Day
Check the upcoming Construction Safety Engineer written exam schedule and remaining days directly on the home screen. You can also select the specific exam session you are preparing for.

Pre-Exam Checklist
As the exam approaches, review preparation items such as the test center, entry time, test admission ticket, identification, allowed calculators, and CBT operation methods.

Light/Dark Theme
You can customize the theme to match your system settings or select between Light and Dark themes.

Offline Study
Question data is securely stored on your device, allowing you to continue solving problems and reviewing even in areas with unstable internet connections.

Guest Start and Device Sync
You can start immediately without signing up. Log in to synchronize your study records, review schedules, incorrect answer notes, and memos to your account, allowing you to continue studying on other devices.

Lifetime Pass

In addition to monthly and 3-month subscriptions, we offer a lifetime pass that allows for permanent access with a single payment. Prices can be checked within the app.

[Content Guide]

The questions and explanations are created in-house based on the publicly available official exam scope and learning objectives. We do not reconstruct or reproduce actual exam questions.

This app is an independent private learning tool and is not affiliated with or represented by any exam administering body, government, or public institution. We do not guarantee passing; please refer to the official announcements from the administering body for exam information.

[Recommended for]

Those preparing for the Construction Safety Engineer written exam for the first time

Students aiming to pass through self-study

Those who find it difficult to manage their own error analysis and review schedules

Those who want to review material in short bursts during their commute

Those who want to focus on weak subjects and chapters first

[Customer Support]

Inquiries: contact@daylab.dev

Terms of Use: https://dayprep.co/gunsafe/terms

Privacy Policy: https://dayprep.co/gunsafe/privacy

© 2026 DAYLAB

[Content Source and Non-Governmental Information]

This app is an independent private learning tool designed to assist with studying for the Construction Safety Engineer exam. It has no affiliation, sponsorship, or approval relationship with government or public institutions, such as the Korea Human Resources Development Service’s National Qualification Portal Q-Net, and does not represent any such organizations. It does not act as a representative of any government agency or political group, nor does it guarantee passing. Please check the latest announcements from the administering agency below for the exam schedule and detailed criteria.

Official exam schedule, registration, and subject information: https://www.q-net.or.kr/crf005.do?id=crf00503&jmCd=1440