iPhone Screenshots


- 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*

What's New

Version 1.3.1

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.


Ameed Jamous
137.3 MB
Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© 2018


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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