SpamGuard: AI Spam Filter

Stop spam texts before they reach you.

SpamGuard uses on-device AI to instantly detect and block spam, scam, and phishing messages. Your messages stay on your phone by default — never sent to a server.

WHY SPAMGUARD
- On-device AI that filters spam in milliseconds
- Privacy-first: your messages never leave your device by default
- Smart heuristic detection for scams, phishing, and fraud
- Custom keyword and sender rules for full control
- Multi-category sorting: spam, scam, promotion, transaction
- Confidence-based filtering to minimize false positives

HOW IT WORKS
SpamGuard integrates directly with the Messages app through Apple's Message Filter Extension. When a text arrives from an unknown sender, SpamGuard's AI analyzes it instantly on your device and moves spam to the junk folder automatically. No action needed.

AI-POWERED DETECTION
- Machine learning model trained on thousands of real spam messages
- Detects lottery scams, package delivery fraud, crypto schemes, and phishing links
- Smart heuristics catch URL shorteners, suspicious Unicode, and excessive urgency
- Confidence-based filtering to minimize false positives and protect real messages

CUSTOM RULES
- Create your own block and allow lists
- Filter by keyword, sender, phone number, or pattern
- Priority-based rule processing — your rules always come first

PRO PACK
- Server AI for maximum spam detection accuracy
- Unlimited custom rules
- Smart multi-category message sorting
- Category customization and mapping
- Time-based filtering schedules
- Priority support

TIP JAR
Love SpamGuard? Buy the developer a tea to support independent development.

GET STARTED
1. Download and enable SpamGuard in Settings > Messages > Unknown & Spam
2. Spam filtering starts automatically — no setup required
3. Fine-tune with custom rules anytime in the app

PRIVACY FIRST
SpamGuard processes messages locally using Apple's on-device machine learning. If you enable optional Server AI (Pro Pack), message text from unknown senders is sent to our server for classification only — never stored after processing. Privacy is not a feature. It is a right.

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