Read our Secure Mobile Communications E-book to gain insight and find out how to protect yourself and your business. 

Secure, encrypted phone calls, conference calls and messaging for mobile and desktop


With secure, encrypted voice and conference calls, secure messaging and encrypted file transfers, all protected by strong, authenticated, end-to-end encryption, Cellcrypt is the complete solution for trusted mobile communications.


Cellcrypt is available for Windows PCs and Apple Macs and Android, iPhone, Blackberry and Windows mobile devices.

Secure Instant Messaging and Encrypted Voice Calls
Verizon Voice Cypher Ultra

Trust in your brand


Cellcrypt can be completely white-labeled to your brand identity, so you can demonstrate that security is your #1 priority. Provide your employees with a secure way to communicate and collaborate with each other. Strengthen your customer relationships with an app that allows them to talk to you securely, anytime, anywhere, and at exceptionally low costs.


For mobile operators, Cellcrypt provides a strong value-added service to their enterprise customers, e.g. Verizon Voice Cypher Ultra.


Send secure messages between smartphones, PCs and Macs while ensuring the privacy of your conversations. Share photos, videos, voice clips and even full file attachments, with the ease of use of a consumer app.


Group Messaging, for collaboration and file sharing, can be defined locally by the user or centrally by the organization with total security and control.

Voice calls

Voice calls are fully encrypted end-to-end and are routed through the mobile device’s data connection. Cellcrypt’s adaptive voice codecs ensure low data and battery use, with no degradation of voice quality.


Provides full authentication of all parties on a call eliminating the risks of impersonation through Caller ID spoofing.


Cellcrypt provides the highest level of encryption and authentication to protect against call interception and eavesdropping. Messages and file transfers are also encrypted end-to-end to ensure privacy.

Cellcrypt is certified to the FIPS 140-2 standard, approved by the US National Institute of Standards & Technology (NIST).

Works Across
Any Network

Calls can be made over any network including 2G/EDGE, CDMA, 3G/HSDPA, 4G/LTE, Wi-Fi and Satellite networks.


Cellcrypt optimizes delivery of encrypted real-time voice and data content between mobile devices, even across low-bandwidth mobile/wireless networks.

Roaming Costs

All voice calls are routed through the mobile device’s data connection.


Cellcrypt’s secure Voice over IP (VoIP) network eliminates long-distance and international call costs between mobile devices and between landlines/office phone systems and mobile users through the Cellcrypt Voice Gateway.

Approved For Government Use

Cellcrypt is in active use within Enterprises and Governments/Armed Forces worldwide.


Cellcrypt also provides solutions certified for use beyond Sensitive But Unclassified (US) and Restricted (UK) use with replaceable cryptography where required, for use in Classified environments.


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