About
This app allows for easy identity verification and electronic signatures using your My Number card. It supports various municipal services without requiring complex account creation. Features include electronic signing, obtaining card information, and verifying the validity of your digital certificate.
What's New in 電子認証 マイナサイン
2.0.1
April 22, 2026
・最新のSSL証明書に対応 ・画面UI変更
Developer apps
FAQ
What is マイナサイン used for?
マイナサイン allows you to perform identity verification and electronic signatures using your My Number card. It connects with various municipal services, eliminating the need for complicated account setups.
How do I use the electronic signature feature in マイナサイン?
To use the electronic signature feature, you need to input your signature electronic certificate password (6-16 alphanumeric characters) and then hold your My Number card to your smartphone. This utilizes the public personal authentication service.
Can マイナサイン be used to get my My Number card information?
Yes, マイナサイン has a card surface information acquisition function. By entering your 4-digit input auxiliary password and holding your My Number card to your device, you can retrieve the information printed on the card for identity verification.
Does マイナサイン require an account to be created?
No, a significant benefit of マイナサイン is that it does not require you to create a complicated account. You can use its features directly by linking with compatible municipal services.
What kind of device do I need to use マイナサイン?
To use マイナサイン, you will need a smartphone that is compatible with My Number cards. The app description mentions holding the card to read it, implying NFC or similar technology is required.
What is the age rating for マイナサイン?
マイナサイン has an age rating of 4+. This indicates it is suitable for users of all ages, though its functionality is geared towards adults who possess a My Number card.
How often is マイナサイン updated?
The latest version of マイナサイン is 2.0.1, and it was last updated on April 22, 2026. This indicates a recent update, suggesting ongoing development and maintenance by the developer.
What is the user sentiment for マイナサイン?
User sentiment for マイナサイン appears to be mixed, with an average rating of 1.6 stars from 199 ratings. This suggests that while some users find it useful, there may be areas for improvement based on user feedback.