# Client Kit

> Client Kit (iPhone/iPad app by Internet Initiative Japan, Inc..)

- Source: https://appshunter.io/ios/app/client-kit/id598125524 (this page in markdown: same URL + `.md`)
- Developer: [Internet Initiative Japan, Inc.](https://appshunter.io/developer/444664358)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 4 MB
- Languages: American English, Japanese
- Released: 2013-03-15
- Data updated: 2026-08-17
- User reviews in markdown: https://appshunter.io/ios/app/client-kit/id598125524/reviews.md

## What is Client Kit?

Client Kit is a network tool for use with the IIJ GIO Remote Access Service.
This tool provides an additional authentication factor for VPN connections.

Client Authentication
- Client authentication is one component of two-factor authentication. It uses not only the username and password but also the unique information of the connected iPhone/iPad for authentication.
- When you tap the Authenticate button, the device sends its unique information to the VPN server. The VPN server verifies whether the device information matches the information registered in advance. If the information matches, communication through the VPN server is permitted.
- If no device information has been registered on the VPN server, it can be registered automatically by this tool.

One Time Password
- A one-time password is a password that can be used only once.
- You can use the one-time password for VPN authentication when you subscribe to the Matrix Authentication option.
- The one-time password is obtained from the displayed random number table using predefined locations.

You must accept the license agreement below.
https://www.iij.ad.jp/svcsol/agreement/pdf/GAM010.pdf


## Version history (last 5 releases)

### 1.6 — 2026-08-05

Added support for client authentication when connecting via IKEv2.

### 1.5 — 2022-11-15

Compatible with the new matrix authentication server.

### 1.4 — 2017-11-27

This app has been updated by Apple to display the Apple Watch app icon.

Fixed an issue that takes time to  authenticate.

### 1.3 — 2017-07-12

Improved some internal behavior.

### 1.2 — 2015-08-17

- Add the new feature "One Time Password"
- Change UI design
- Support English

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## More apps by Internet Initiative Japan, Inc.

- [DOX client for iOS](https://appshunter.io/ios/app/dox-client-for-ios/id444664355)
- [IIJmio Coupon Switch](https://appshunter.io/ios/app/iijmio-coupon-switch/id629809928)
- [Secure Browser - IIJ SMM](https://appshunter.io/ios/app/secure-browser-iij-smm/id665785000)
- [IIJ SmartKey](https://appshunter.io/ios/app/iij-smartkey/id974476420)
- [miofone dial application](https://appshunter.io/ios/app/miofone-dial-application/id979168845)

All apps by Internet Initiative Japan, Inc.: https://appshunter.io/developer/444664358

## Related topics

[iijmio](https://appshunter.io/ios/topics/iijmio)

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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 2026-08-17.*