# iD-One — Trusted Digital Identity

> Trusted Digital Identity (iPhone/iPad app by Tradelink Electronic Commerce Limited.)

- Source: https://appshunter.io/ios/app/id-one/id6755210949 (this page in markdown: same URL + `.md`)
- Developer: [Tradelink Electronic Commerce Limited](https://appshunter.io/developer/938608242)
- Category: Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 21 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-03-31
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/id-one/id6755210949/reviews.md

## What is iD?

iD-One is your trusted digital identity solution, empowering users worldwide to manage their digital identities securely and conveniently. With our iD-One platform, you can effortlessly sign documents digitally from anywhere, at any time, backed by a recognized certificate.

With iD-One, holders of ICAO-compliant ePassports can efficiently apply for a digital certificate issued by Digi-Sign online. This certificate enables you to sign documents remotely while adhering to internationally recognized digital signature standards.

As Hong Kong’s only commercial Recognized Certification Authority, Digi-Sign provides reliable digital identity and signature services for individuals and organizations.

Key Features
1. Seamless Certificate Application
- Remotely submit your application using your ICAO-compliant ePassport and complete identity verification—all within the app.

2. Effortless Remote Digital Signing
- Sign contracts, forms, and important documents digitally with your valid CA-issued certificate—no need for in-person meetings or physical tokens!
- This service complies with the Electronic Transactions Ordinance (Chapter 553 of the Laws of Hong Kong).

3. Secure Authentication
- Utilize your iD-One account to securely authenticate your identity for logging into or creating accounts on third-party online services that support iD-One authentication.

4. Convenient My-iD Data Filling
- Automatically populates electronic forms and application interfaces with your prefilled information in the iD-One profile.

5. Compliant and Trusted
- iD-One meets stringent security and privacy standards, aligned with local regulations and global best practices.

6. Convenient Identity Management
- Easily manage your certificate information and signing records through our user-friendly mobile app, all from your device.


Why Choose iD-One?
Regulatory Confidence: Enjoy legally recognized digital signing powered by Digi-Sign certifications.
Security: Enjoy high levels of security and confidentiality for your identity and data.

Begin your digital identity journey with "iD-One". Download now to take your first effortless step towards digital signing!


## Version history (last 2 releases)

### 2.0.2 — 2026-08-13

My-iD Data Filling
Automatically populates electronic forms and application interfaces with prefilled information in the iD-One profile.

### 1.0.0 — 2026-04-01

No release notes.

## More apps by Tradelink Electronic Commerce Limited

- [Tradelink Sign](https://appshunter.io/ios/app/tradelink-sign/id6480483296)

All apps by Tradelink Electronic Commerce Limited: https://appshunter.io/developer/938608242

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*