About this app
Study five subjects and practical electrical design with lessons and mocks. Includes a personal plan, five-tab navigation, concept lessons, a 100-question timed mock with unanswered list and history, full explanations, readiness, and optional Lock Quiz. Free access includes two chapters and two mock attempts. Premium unlocks all 500 questions, unlimited mocks, and device-transfer backup. Exam delivery is Korean. Verify current rules and fees on Q-Net. This independent app is not affiliated with Q-Net or HRDKorea. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Latest release
What’s New
Added five tabs, hierarchical back behavior, planning, lessons, two free chapters and mocks, all 500 Premium questions, retry and backup.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 4, 2026 · 6:54 PM Free
Screenshots
