TrustCall 4+

Encrypt your Calls and Message

KoolSpan, Inc.

    • 4.7 • 13 Ratings
    • Free

iPhone Screenshots


TrustCall enables secure HD-quality calling, text messaging and file attachments with an application that is easy to install, manage and use. With TrustCall, seamlessly make calls and send text messages across device types, networks (including LTE, Wi-Fi and 4G, 3G, 2G) and operating systems. TrustCall’s HD performance and quality exceed other secure communications solutions, providing a familiar user experience comparable to regular mobile calls and text messages.

The TrustCall app includes a clean, user-friendly interface including pre-populated list of contacts, familiar intuitive text messaging, call favorites and more.

KoolSpan’s patented end-to-end encryption provides secure calls and text messages between TrustCall enabled smartphones, ensuring no one other than the initiator and intended recipient can access the call or text message.

• Easy to use
• Intuitive user interface
• High fidelity audio
• Robust, resilient performance globally
• Cross platform
• End-to-end encryption and per packet keying

Note: The TrustCall application requires a license from KoolSpan. For information on licensing, contact KoolSpan.

What’s New

Version 9.6.426

Bug fixes, performance enhancements and maintenance

Ratings and Reviews

4.7 out of 5
13 Ratings

13 Ratings

EVBruce ,

Super Clarity

I've been using TrustCall with my family this summer, mostly with my brother in Pittsburgh. When our Apple call is failing, we switch to TrustCall and it always works great. Very cool!

JulieHoldren ,

Mobile security

Excellent mobile security product.

Draudales ,

The most amazing secure connection

Great job. It worth it

App Privacy

The developer, KoolSpan, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info
  • User Content
  • Identifiers
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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