# IIJmio国際電話

> IIJmio国際電話 (iPhone/iPad app by Internet Initiative Japan, Inc..)

- Source: https://appshunter.io/ios/app/iijmio/id1670294549 (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 14.0 · 11 MB
- Languages: Japanese
- Released: 2023-03-21
- Data updated: 2026-08-17
- User reviews in markdown: https://appshunter.io/ios/app/iijmio/id1670294549/reviews.md

## What is IIJmio国際電話?

The "IIJmio International Call" is an application exclusively for international calls by IIJmio Mobile Service Voice SIM and Voice eSIM subscribers.
(Installation is not required if you don’t make international calls.)

■Features of the "IIJmio International Call" app
1. When you make a call using the "IIJmio International Call" app, a prefix number, 0077-502-010, is automatically added to the beginning of destination phone number.
2. You can easily make international calls because the phone numbers registered on your smartphone are synchronized with the "IIJmio International Call" app.

* For a list of countries and call charges, please check the "IIJmio International Call" web page.
* mioID & mio password are both unnecessary for this application. 

■How to use of "IIJmio International Call" App
https://www.iijmio.jp/intlcall/（Japanese language）

■About @iijmio
https://twitter.com/iijmio
This is the official Twitter account of IIJmio. It provides useful information about the service.

■Terms of License
Before using the app, you need to consent to the following Terms of the License.
https://www.iijmio.jp/guide/agreement/intlcall/（Japanese language）


## Version history (last 2 releases)

### 2.0.0 — 2023-07-13

New features:
1. Add/Delete favorite contacts
 You can add (or delete) a frequent contact to (from) the Favorite contact list.
2. Dark mode
 Dark mode can be switched on in the Settings menu.
3. Notification
 We notify you about the latest information on the International Call Service at the top right bell icon.

### 1.0 — 2023-03-22

No release notes.

## More apps by Internet Initiative Japan, Inc.

- [DOX client for iOS](https://appshunter.io/ios/app/dox-client-for-ios/id444664355)
- [Client Kit](https://appshunter.io/ios/app/client-kit/id598125524)
- [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

---

*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.*