Cellular Call Guard
Block cellular voice calls per SIM while keeping mobile data and SMS active.
About Cellular Call Guard
Control cellular voice calls independently for each SIM without disabling mobile data or SMS.
Cellular Call Guard lets you:
• Block incoming calls per SIM
• Block outgoing calls per SIM
• Schedule blocking by day and time, including overnight periods
• Temporarily pause all blocking for 15 minutes, one hour, or until tomorrow
• Keep emergency outgoing calls allowed
• See live guard status and the most recent call decision
The app uses Android's official Call Screening and Call Redirection roles. On devices that do not reliably honor call screening, an optional fallback can be enabled with Android permissions or Shizuku.
Privacy first:
• No account required
• No ads, analytics, or tracking
• No data sent to developer servers
• Rules and diagnostics stay on your device
• Phone numbers are redacted from diagnostic logs
Designed for Android 10 and newer. Some advanced fallback features require Android 12 or newer. Available in English by default with an optional Russian interface.
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