iPhone最新人気アプリランキング

- Encrypted high-quality video and voice calls on iPhone
- Dark Mode UI for better sleep at night
- Lower battery usage
- Free Group Audio calls with up to 10 friends, family and others at same time
- Free and unlimited messages and video and voice calls over 2G, 3G, 4G* or Wi-Fi
- Group video calls with friends, family and others
- Secure photo sharing
- Audio Voice Messaging
- Works in countries where SIP Protocol is blocked
- Group Text Messaging
- Avoid SMS and phone call charges by switching to O - Dark Mode

White-Label of this app is available for Enterprises, Educational institutions and Businesses, Contact us for more details on White-Labeling.

*Data charges may apply*

*This is our first release, we welcome feature suggestions and bug reports from everyone*

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Thank you for using O App, we appreciate your support.

- Added 4 Way Group Video Screenshot
- Added 10 Way Group Audio Call Screen Shot
- Fixed Support URL

To use group calling, create a chat group and then call. or use the drop down menu in home page to start group call.