Comparison

Silent Phone vs Vault.Chat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Silent Phone

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.

Highlights
  • 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
Features
Read full description

Silent Phone provides enterprise-grade encrypted voice, video, and messaging. Our end-to-end security protects your business, its reputation, and its valuable intellectual property from spying eyes. With Silent Phone, your team can discuss important matters across continents with the same confidence as if you were all in the same room. Silent Phone is developed by Silent Circle, the world leader in enterprise privacy solutions. Features: - Privacy and security trusted by businesses and governments around the world - Simple "zero-touch" deployment across your organization - Integrated enterprise user management with Silent Manager - Secure voice and video calls with our unique Security Words - Secure high-definition conference calling and group messaging - Burn commands destroy all copies of sent messages - Burn timers automatically redact old messages - Voice memos speed communication and replace insecure voicemail - Read receipts and delivery receipts give your teams situational awareness - Securely send documents, videos, images, and other files - Silent World offers calling to/from traditional phone numbers with enhanced security - Standards-compliant Single Sign-On (SSO) - Scheduled training available for your teams

About

Vault.Chat

Features
Read full description

Vault is a messaging app built for private conversations and clear user control. Connect in one-to-one chats or group discussions through a simple interface designed for fast, focused communication. Built with privacy in mind, Vault helps users manage conversations with confidence through straightforward controls and a clean messaging experience. Features include: Private chats and group conversations Simple, fast messaging User controls to manage interactions Privacy-focused design A clean experience built for respectful communication Vault is designed to make communication easier, more controlled, and more comfortable for everyday use.

Screenshots

Silent Phone4 screens
Vault.Chat4 screens

Verdict

The call

The clearest difference is update cadence: Vault.Chat at fortnightly against Silent Phone's every 3 months. Silent Phone's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Silent Phone ships an update every 3 months, Vault.Chat fortnightly. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
Silent Phone versus Vault.Chat: the parameters behind the verdict, then further details
ParameterSilent PhoneVault.Chat
PriceFreeFree
Rating3.7 (92 ratings) — better—
Positive reviews42.4% of reviews—
Number of ratings92 — better—
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size67 MB70 MB
Age rating4+17+
DeveloperSilent Circle, LLCNatpaphat Amirova

Bugs and requests

Silent Phone

Reported bugs

16 issues
  • App crashes on launch with iOS updates
  • Login credentials not accepted after reinstall
  • Text input display issues (text cut off or invisible)
  • Messages not delivered despite showing as delivered
  • Call audio problems (no sound, distorted audio)
Show 11 more
  • App crashes when sending text messages
  • Background process doesn't work reliably
  • Incoming calls show busy signal after 30-90 minutes of inactivity
  • App disappears/closes immediately after opening
  • Incompatibility with latest iOS versions
  • Notifications not arriving properly
  • Video conferencing section missing or non-functional
  • Media attachment sharing failures
  • App freezes during connection establishment
  • Billing notification popups appearing unexpectedly
  • Balance information removed from app interface

Requested features

18 requests
  • Account creation option directly in app
  • Group messaging/texting capability
  • Multiple simultaneous accounts support
  • In-app credit balance display
  • Voicemail functionality
Show 13 more
  • Desktop/computer version
  • Apple Watch notifications
  • In-app subscription payment via App Store
  • Wired ethernet connection support
  • Screenshot notification alerts
  • Passcode/PIN app lock
  • Touch ID/biometric authentication
  • Better contact management integration
  • Ability to turn off read receipts
  • Manual key reset option
  • CallKit integration for native iOS experience
  • Background push notification improvements
  • Landscape orientation support on tablets

Vault.Chat

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Silent Phone

No in-app purchases

None

Vault.Chat

No in-app purchases

Questions

Is Silent Phone free?
Silent Phone is free to download, with no in-app purchases.
Is Vault.Chat free?
Vault.Chat is free to download, with no in-app purchases.
Do Silent Phone or Vault.Chat have ads?
Neither Silent Phone nor Vault.Chat shows ads.
Which is updated more often, Silent Phone or Vault.Chat?
Silent Phone ships an update every 3 months, and Vault.Chat fortnightly. Most recently, Silent Phone was updated on October 23, 2026 and Vault.Chat on October 13, 2026.

Other comparisons