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Free
In-App Purchases
About
This app allows users to electronically sign PDF documents using their Japanese My Number Card and its public key infrastructure. It also provides tools for creating PDFs from photos and verifying existing signatures.
✓Electronic signature with My Number Card
✓Verify JPKI signatures on PDFs
✓Create PDFs from photos
✓Read My Number Card information
✓PIN management for My Number Card
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What's New in JPKI eSign signature on PDF
2.3.1
September 10, 2026
fix purchase gating, pin fragile deps, i18n audit - gate paywall on only (export-time), not every NFC op - fix purchase race: FeatureGuarder waits briefly for async receipt verification to land instead of throwing an uncaught exception when it hasn't caught up yet - show remaining/used export-ticket count after a per-use export - add missing locale keys (incl. checkNetTip) across ja/en, drop 191 unused ones etc
MoreSubscription plans
Unlock in 1 month
Export signed files in 1 month
$5.991 Month
1
In-App Purchases
$0.99
Export 1 File
Export your signed document.
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FAQ
What is JPKI eSign signature on PDF?
JPKI eSign signature on PDF is an application that enables users to electronically sign PDF documents using their Japanese My Number Card and its associated public key infrastructure (JPKI). It also offers functionalities to create PDFs from images and verify existing digital signatures.
Can I use JPKI eSign signature on PDF offline?
The description does not specify offline functionality for all features. However, core functions like signing PDFs and managing card information typically require an active internet connection for verification and data processing.
What are the subscription plans for JPKI eSign signature on PDF?
JPKI eSign signature on PDF offers two subscription plans: 'Unlock in 1 month' for $5.99 per month and 'Unlock in 1 year' for $49.99 per year. These plans likely unlock advanced features or remove limitations.
How often is JPKI eSign signature on PDF updated?
The app was last updated on February 27, 2026, indicating a recent update. The version number is 2.3.0. Frequent updates suggest ongoing development and support for the application.
What devices support JPKI eSign signature on PDF?
JPKI eSign signature on PDF is available for iPhone, iPad, and iPod devices. It is designed to work across Apple's mobile ecosystem.
Does JPKI eSign signature on PDF have ads?
Yes, JPKI eSign signature on PDF contains advertisements. Users may encounter ads within the application interface.
What is the age rating for JPKI eSign signature on PDF?
JPKI eSign signature on PDF has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.
How do I reset my PIN for JPKI eSign signature on PDF?
The app allows for PIN management, including resetting the user authentication PIN. If you encounter issues or lock your password, you can typically unlock it at your local municipal office in Japan.
