CallU is A versatile communication app connecting users worldwide with high-quality voice and video calls. Stay connected effortlessly. 📞🌐
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June 5, 2023
30.1 MB
Android or iOS
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CallU is a comprehensive communication app that revolutionizes global connectivity. With high-quality voice and video calls, users can stay in touch effortlessly, fostering meaningful connections across borders. Whether for personal or professional use, CallU offers a seamless and user-friendly experience, bridging distances and bringing people closer together. Enjoy reliable and crystal-clear communication, making it the go-to app for staying connected in today’s fast-paced world.

Main Features of CallU

CallU offers a wide range of main features that make it a versatile and user-friendly communication app.

Voice and Video Calls: CallU allows users to make high-quality voice and video calls with friends, family, or colleagues worldwide. Crystal-clear audio and smooth video streaming ensure a seamless communication experience.

Cross-Platform Support: The app is available on various platforms, including iOS, Android, and web browsers, ensuring accessibility to a broader user base. Regardless of the gadget they possess, individuals have the ability to connect with others and establish meaningful connections on the platform.

Instant Messaging: CallU’s instant messaging feature allows users to send text messages, emojis, images, and videos, enhancing communication beyond just calls.

Group Calls: Organize group calls with multiple participants, making it convenient for team meetings, family gatherings, or socializing with friends.

Call Recording: Users can record important conversations, such as interviews, meetings, or memorable chats, for future reference or sharing.

Call Forwarding: With call forwarding, users can redirect incoming calls to another number, ensuring they never miss important communications.

Voicemail: In the event of missed calls, CallU provides a voicemail feature, allowing users to receive and listen to messages left by callers.

Multi-Language Support: CallU supports multiple languages, accommodating users from different regions and making it more inclusive.

Privacy and Security: The app prioritizes user privacy and employs encryption protocols to protect sensitive data and ensure secure communication.

Contact Syncing: Easily sync and manage contacts across devices to stay connected with friends and acquaintances effortlessly.

Low Data Usage: CallU optimizes data usage, ensuring that users can make calls and send messages even in areas with limited internet connectivity.

International Calling: CallU offers competitive rates for international calls, making it a cost-effective option for staying connected across borders.

Call Blocking: Users can block unwanted calls and messages, filtering out spam and ensuring a more peaceful communication experience.

User-friendly Interface: CallU boasts a simple and intuitive interface, making it easy for users of all ages to navigate and utilize its features effectively.

Personalization: Customize the app’s appearance and notification settings to suit individual preferences.

Some Pros and Cons of CallU


  • High-quality calls
  • Cross-platform availability
  • User-friendly interface
  • Cost-effective international calling
  • Call recording feature
  • Secure communication


  • Limited language support
  • Occasional connectivity issues
  • In-app advertisements
  • No end-to-end encryption
  • Basic messaging features
  • Some features require a premium subscription

How to use

  • Download and Install: Search for “CallU” on your device’s App Sonics (iOS or Android) and download the app. Once downloaded, follow the installation instructions to set it up.
  • Create an Account: Launch the app and sign up for a new account using your phone number or email address. You may need to verify your account through a verification code sent to your registered contact information.
  • Grant Permissions: Allow CallU to access your contacts, microphone, and camera to enable the app to function correctly for calls and messaging.
  • Explore the Interface: Familiarize yourself with the user-friendly interface. The main screen typically displays recent calls, contacts, and call options.
  • Make a Call: Tap on the contact you wish to call or use the dialer to enter the phone number manually. Choose either a voice or video call and wait for the recipient to accept the call.
  • Instant Messaging: To send text messages, navigate to the chat icon and select a contact to start a conversation. You can send text, images, videos, and emojis.
  • Group Calls: To initiate a group call, create a new group and add contacts. Once the group is formed, you can start a voice or video call with all the participants.
  • Call Recording: During a call, you can opt to record it by tapping on the appropriate option. Saved recordings will be accessible in your account’s recording section.
  • Voicemail: If you miss a call, the caller can leave a voicemail, which you can access from the voicemail tab.
  • Manage Contacts: Sync your device’s contacts with CallU to easily find and connect with friends. You can also block unwanted contacts to avoid spam calls.
  • Personalize Settings: Customize the app’s appearance, notification sounds, and privacy settings to suit your preferences.
  • Top-Up or Subscribe (Optional): If you wish to make international calls or access premium features, you might need to top-up your account or subscribe to a plan.
  • Review and Rate: Provide feedback on the app’s performance and rate it on the app store to help other users.


There are several alternatives to CallU that offer similar communication features. Here are some popular ones:

WhatsApp: A widely-used messaging app that supports voice and video calls, instant messaging, group chats, and file sharing. For enhanced security in communication, the app provides top-notch end-to-end encryption to safeguard user data and privacy effectively.

Skype: A well-established communication platform known for its high-quality voice and video calls. It supports group calling, messaging, screen sharing, and integration with Microsoft Office.

Zoom: Originally a video conferencing tool, Zoom has expanded to include voice calls and messaging. It’s popular for online meetings, webinars, and virtual events.

Viber: A messaging app that provides voice and video calls, group chats, stickers, and multimedia sharing. It offers end-to-end encryption for added security.

Telegram: A cloud-based messaging app with voice and video calls, group chats, secret chats with self-destructing messages, and file sharing.

Signal: Known for its strong focus on privacy and security, Signal offers voice and video calls, and messaging, and supports end-to-end encryption for all communications.

Google Meet: Part of the Google Workspace suite, Google Meet offers video conferencing capabilities, with options for voice calls and messaging.

WeChat: A popular app in China, WeChat combines messaging, voice and video calls, social networking, and mobile payment services.

LINE: Originally a messaging app, LINE has expanded to include voice and video calls, group chats, stickers, and various entertainment features.

FaceTime: Exclusive to Apple devices, FaceTime allows high-quality video and audio calls between iOS and macOS users.

Final Words of CallU

CallU redefines global communication, connecting users effortlessly through high-quality voice and video calls. With its user-friendly interface and versatile features, CallU fosters meaningful connections, bridging distances and bringing people closer together. Stay connected, and stay close to CallU.

Frequently Asked Questions

Q: Can I make international calls with CallU?

Yes, CallU allows you to make international calls at competitive rates. Stay connected with friends and family around the world with ease.

Q: Is CallU available on both iOS and Android devices?

Yes, CallU is available for download on both iOS and Android platforms, making it accessible to a wide range of users.

Q: Can I record calls on CallU?

Yes, CallU offers a call recording feature, allowing you to record important conversations for future reference or sharing.

Q: Is CallU secure for communication?

CallU prioritizes user privacy and employs encryption protocols to protect sensitive data, ensuring secure and confidential communication.

Q: Does CallU support group calls?

Absolutely! CallU enables group voice and video calls, making it convenient for team meetings, family gatherings, and socializing with friends.


Download links

How to install CallU APK?

1. Tap the downloaded CallU APK file.

2. Touch install.

3. Follow the steps on the screen.

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