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Silent Phone

Silent Phone

Secure Calling & Messaging

88 ratings
184 reviews
💼 Business
Free

Details

  • Released
  • Updated
  • October 15, 2012
  • February 11, 2026

Features

Developer

Silent Circle, LLC
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Silent Phone screenshot #1 for iPhone
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About

This app offers secure, end-to-end encrypted voice, video, and messaging for businesses. Protect sensitive communications and intellectual property with advanced privacy features. Facilitate confident global collaboration for your team.

✓End-to-end encrypted voice, video, and messaging
✓Secure conference calling and group messaging
✓Burn commands and timers to destroy messages
✓Secure file sharing
✓Zero-touch deployment
✓Integrated enterprise user management
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What users say

Summarized from real user reviews of Silent Phone. Based on 88 reviews and a 3.7/5 average, it highlights the 7 positives and 11 negatives reviewers mention most about this Business app.

Positive things

  • 🔒Industry-leading encryption and privacy
  • 📞Secure calling to non-users via OutCircle
  • 🌍Works reliably across different countries
  • 🎯Professional-grade security features
  • 📱Intuitive interface when properly set up
  • 🔐Zero-knowledge communication system
  • ✅Consistent long-term reliability for dedicated users

Negative things

  • 💰Expensive subscription model ($9.95-$10/month)
  • 🐛Frequent app crashes and instability
  • 📨Messages delayed or not delivered
  • ☎️Calls drop frequently
  • 🔋High battery consumption
  • ❌Poor customer support responsiveness
  • 📵App must stay open to receive calls
  • 🚫Removed features in recent updates
  • 🌐Connectivity issues with certain networks
  • ⚠️Automatic recurring billing without clear cancellation options
  • 🔌Doesn't work reliably without VPN in some regions
See all reviews

What's New in Silent Phone

6.15.1

February 11, 2026

Every release of Silent Phone, including this one, has important fixes and enhanced performance.

User reviews

Most RecentHighest RatedLowest Rated

Customer service terrible

Been trying to email them for days. I’m getting emails back but they’re saying to log into my account and I’m up-to-date but they’re seeing a totally different screen than me. Nobody will get back to me or if they do they’re saying the same thing. I want to cancel their account, but there’s no option for me to do so in the app or online believe I was scammed.
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Hous713Hous713

Not as good as years ago

Custom phone number removed and option to phone landlines/mobiles numbers and receive calls from them not available now. Service not worth the money now.
LohanetteLohanette

Darse de alta

Tienen primero darse de alta en la página web y ya entran en la aplicación, 10 dlls mensuales
Cuyin71Cuyin71

No funciona

No sirve la app
KedffKedff

Sécuriser communication

Super application sécuriser au quotidien que je utilise je le recommande
Saara2014Saara2014
See 179 more reviews

User experience

🐞

Reported Bugs

16 issues

App crashes on launch with iOS updates

Bug

Login credentials not accepted after reinstall

Bug

Text input display issues (text cut off or invisible)

Bug

Messages not delivered despite showing as delivered

Bug

Call audio problems (no sound, distorted audio)

Bug

App crashes when sending text messages

Bug

Background process doesn't work reliably

Bug

Incoming calls show busy signal after 30-90 minutes of inactivity

Bug

App disappears/closes immediately after opening

Bug

Incompatibility with latest iOS versions

Bug

Notifications not arriving properly

Bug

Video conferencing section missing or non-functional

Bug

Media attachment sharing failures

Bug

App freezes during connection establishment

Bug

Billing notification popups appearing unexpectedly

Bug

Balance information removed from app interface

Bug
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Requested Features

18 requests

Account creation option directly in app

Feature

Group messaging/texting capability

Feature

Multiple simultaneous accounts support

Feature

In-app credit balance display

Feature

Voicemail functionality

Feature

Desktop/computer version

Feature

Apple Watch notifications

Feature

In-app subscription payment via App Store

Feature

Wired ethernet connection support

Feature

Screenshot notification alerts

Feature

Passcode/PIN app lock

Feature

Touch ID/biometric authentication

Feature

Better contact management integration

Feature

Ability to turn off read receipts

Feature

Manual key reset option

Feature

CallKit integration for native iOS experience

Feature

Background push notification improvements

Feature

Landscape orientation support on tablets

Feature

FAQ

What does Silent Phone do?

Silent Phone provides enterprise-grade encrypted voice, video, and messaging services. It is designed to protect sensitive business communications, intellectual property, and reputation from unauthorized access.

What are the key security features?

Key features include end-to-end encryption for all communications, secure voice and video calls with unique Security Words, secure conference calling, and group messaging. It also offers burn commands and timers to automatically destroy messages, and secure file sharing.

Is Silent Phone free to use?

Based on the provided information, the app is listed as 'free'. However, enterprise solutions often involve licensing or subscription costs for full functionality and management features, which are not detailed here.

Who is the target audience for Silent Phone?

This app is specifically designed for businesses and governments that require a high level of privacy and security for their communications. It's ideal for teams that need to discuss sensitive matters across different locations with confidence.

How does Silent Phone ensure user privacy?

Privacy is ensured through robust end-to-end encryption for all voice, video, and messaging. Features like burn commands and timers further enhance privacy by allowing users to control the lifespan of their messages, and Security Words add an extra layer of authentication for calls.