CallGuard – Spam Blocker

CallGuard blocks unwanted calls at the system level using Apple's Call Directory Extension — before your phone even rings.

YOU DECIDE WHAT TO BLOCK

No pre-loaded spam lists. You create your own rules and only numbers you add are blocked. Nothing happens automatically.

BLOCKING OPTIONS

• Exact Number — Block a specific phone number
• Range — Block all numbers within a range
• Prefix — Block all numbers starting with a prefix

KEY FEATURES

• Visual Range Editor — Drag handles to adjust ranges with real-time feedback
• Contact Protection — Your contacts are never blocked, even within a range
• Overlap Detection — See which rules overlap and total numbers blocked
• Capacity Tracking — Stay within Apple's 100K limit with visual indicators
• Smart Auto-Sync — Rules sync automatically with intelligent debouncing
• Sync Status — See exactly which rules are synced and which need updating
• iCloud Sync — Optionally sync your rules across all your devices
• Statistics Dashboard — Charts showing blocking activity and sync history
• Live Activity — Track sync progress in Dynamic Island and Lock Screen

PRIVACY

• No account required
• No data leaves your device
• All processing is local
• iCloud sync is optional and off by default

Available in English, French, German, Spanish, and Chinese.