Cellcrypt
Cellcrypt Inc. Communication
Secure and Encrypted Voice Calling, Messaging and Attachments
- Rating
- 3.2
- 161 ratings
- Downloads
- 34K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Nov 28
- 2025 · v4.161.0
Screenshots
About Cellcrypt
** CELLCRYPT IS FOR BUSINESS AND GOVERNMENT USE ONLY**
PLEASE VISIT www.cellcrypt.com TO SIGN UP FOR A FREE TRIAL OR TO PURCHASE
Important: Cellcrypt will cease working within 5 days after install without a valid trial or purchased license. Cellcrypt is only available to business and government users after a screening process and is not available to individual consumers.
Businesses and Governments worldwide trust Cellcrypt to protect their communications.
Cellcrypt is the gold-standard for secure, encrypted communications for mobile devices, tablets, and desktops. Combining the ease of use of a consumer messaging app with military-grade encryption, Cellcrypt enables secure voice and conference calls, instant messaging and file/document sharing between any Cellcrypt enabled device. Cellcrypt uses a unique double-layer end-to-end crypto scheme, with new session keys for each call and message, affording all users military-grade, secure communications.
Secure Phone Calls
Voice calls are fully encrypted end-to-end and are routed through the mobile device’s data connection. Cellcrypt works across any IP-enabled network; e.g., 2.5G (GPRS, EDGE, CDMA 1xRTT), 3G (UMTS, HSDPA, CDMA EV-DO), 4G (LTE), 5G, Wi-Fi and Satellite. Cellcrypt’s adaptive voice codecs ensure low data and battery use, with no degradation of voice quality with full authentication to eliminate the risks of impersonation through Caller ID spoofing.
Conference calling
Cellcrypt’s Conference Calling is a cost-effective way to take the complication out of group calls. Make secure, encrypted conference calls whenever you want, from your mobile or desktop, leveraging your existing infrastructure for seamless, immediate collaboration.
Secure group calls can be set up instantly from your contacts list on mobile or desktop, eliminating the need to arrange through a third party or issue PINs/passwords.
Secure Instant Messaging
Secure messages can be sent between smartphones, tablets, and desktops while ensuring the privacy of conversations. Group messaging can also be set up at will and can be defined locally by the user or centrally by the organization with total security and control.
Document and File Sharing
Cellcrypt allows users to securely share photos, videos, voice clips, documents, and file attachments of any size, providing a secure alternative to unprotected email communications.
Military Grade Encryption
Cellcrypt provides Signal Obfuscation and true end-to-end Suite B grade cryptography (the NSA cryptographic standard for protecting US Classified information up to Top Secret) to protect against call interception and eavesdropping.
Messages and file transfers are also encrypted end-to-end to ensure privacy. Cellcrypt has been twice validated to the FIPS 140-2 standard, approved by the US National Institute of Standards & Technology (NIST).
Cellcrypt - the leaders in Voice Security since 2005.
*Application may not be used for emergency calls.
PLEASE VISIT www.cellcrypt.com TO SIGN UP FOR A FREE TRIAL OR TO PURCHASE
Important: Cellcrypt will cease working within 5 days after install without a valid trial or purchased license. Cellcrypt is only available to business and government users after a screening process and is not available to individual consumers.
Businesses and Governments worldwide trust Cellcrypt to protect their communications.
Cellcrypt is the gold-standard for secure, encrypted communications for mobile devices, tablets, and desktops. Combining the ease of use of a consumer messaging app with military-grade encryption, Cellcrypt enables secure voice and conference calls, instant messaging and file/document sharing between any Cellcrypt enabled device. Cellcrypt uses a unique double-layer end-to-end crypto scheme, with new session keys for each call and message, affording all users military-grade, secure communications.
Secure Phone Calls
Voice calls are fully encrypted end-to-end and are routed through the mobile device’s data connection. Cellcrypt works across any IP-enabled network; e.g., 2.5G (GPRS, EDGE, CDMA 1xRTT), 3G (UMTS, HSDPA, CDMA EV-DO), 4G (LTE), 5G, Wi-Fi and Satellite. Cellcrypt’s adaptive voice codecs ensure low data and battery use, with no degradation of voice quality with full authentication to eliminate the risks of impersonation through Caller ID spoofing.
Conference calling
Cellcrypt’s Conference Calling is a cost-effective way to take the complication out of group calls. Make secure, encrypted conference calls whenever you want, from your mobile or desktop, leveraging your existing infrastructure for seamless, immediate collaboration.
Secure group calls can be set up instantly from your contacts list on mobile or desktop, eliminating the need to arrange through a third party or issue PINs/passwords.
Secure Instant Messaging
Secure messages can be sent between smartphones, tablets, and desktops while ensuring the privacy of conversations. Group messaging can also be set up at will and can be defined locally by the user or centrally by the organization with total security and control.
Document and File Sharing
Cellcrypt allows users to securely share photos, videos, voice clips, documents, and file attachments of any size, providing a secure alternative to unprotected email communications.
Military Grade Encryption
Cellcrypt provides Signal Obfuscation and true end-to-end Suite B grade cryptography (the NSA cryptographic standard for protecting US Classified information up to Top Secret) to protect against call interception and eavesdropping.
Messages and file transfers are also encrypted end-to-end to ensure privacy. Cellcrypt has been twice validated to the FIPS 140-2 standard, approved by the US National Institute of Standards & Technology (NIST).
Cellcrypt - the leaders in Voice Security since 2005.
*Application may not be used for emergency calls.
User reviews
Strong security and friendly look&feel
Great
I`ve been using it for a few months now and I like what I see. The app keeps improving and getting new features with each release. Looking forward to see what is coming next.
Nice
Great app
have been using for a while now. love it text voice and attachments all work and don't have to worry about it getting hacked
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