Tsunagu Denko: Electrician JP
Japan electrician exam study
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Study app for Japan's Second-Class Electrician exam (第二種電気工事士), in Japanese.
Written exam: 39 past papers (1,943 questions), each with its source and an explanation of every choice; zoomable wiring drawings; a CBT-style 50-question mock mode that resumes where you left off.
Practical exam: a wiring-plan trainer for all 13 candidate problems where you connect the wires yourself and the app checks colours, switching, ring sleeves and connectors.
Free: the 5 newest past papers, 3 wiring problems, the symbol table and a short weekly mock. Pro is a one-time purchase: no subscription, no ads. Progress stays on your device and in your own iCloud.
This app is independent and not affiliated with the exam body (Electrical Engineers Examination Center). Past questions are used under the body's published terms, with sources shown.
Ratings & Reviews
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Now supports the large display of iPhone Duo.
Minor improvements.
The developer, Sang Huynh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Sang Huynh
- Size
- 86.8 MB
- Category
- Education
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Tsunagu Denko Pro $9.99
- Copyright
- © 2026 Sang Huynh Xuan
