Widefone(ワイドフォン)

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Everyone
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About this app

To use this app, you need a Widefone user ID (account).

By installing this app on your Android device and logging in with your Widefone user ID, you can use various functions and built-in services provided by Widefone, such as making and receiving external and internal calls, messaging, and shared contacts (phonebook).

◆ Features of the Widefone App

・Confident in sound quality. Optimized and tuned for the Widefone Cloud PBX platform.

・Long battery life. Proprietary push notification platform that ensures power saving and reliable incoming calls.

・Integrated internal messaging (chat) and shared/personal contacts (phonebook) into an SNS-like user interface.

・Multilingual display support to meet the needs of internationalization and diversification.

◆ Important Information

・A Widefone user ID (UID = account) is required to use this app.

・By logging in to this app, you are deemed to have agreed to our IP Media Communication Service Terms of Use (https://widefone.jp/terms_and_conditions/).

* Permission settings are required the first time you install the app, or when reinstalling it after deleting it. After logging in, tap "Widefone app permission settings" on the permission settings screen to configure the necessary permissions.

* We recommend using mobile data communication (voice or data SIM with SMS). If using Wi-Fi, please be careful about your device's power saving settings and blocking of necessary ports.
Updated on
Jun 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Data is encrypted in transit
Data can’t be deleted

What’s new

Fixed issues such as switching to speakerphone mode, saving contacts from the call history, and other minor bugs.
Content rating
Everyone
Users Interact
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App support

About the developer
株式会社ワイドテック
widefone@widetec.com
2-11-2, IWAMOTOCHO ITOHPIA IWAMOTOCHO NICHOME BLDG. 4F. CHIYODA-KU, 東京都 101-0032 Japan
+81 50-5369-7100