
DEFNDR
Intelligent SMS & MMS Spam Protection for iPhone
Private, ad-free protection with on-device AI technology
[ Core Features ]
> Machine Learning Protection
Advanced on-device AI adapts to new spam threats without ever accessing your personal messages or data.
> Custom SMS Filters
Create powerful custom rules and keyword filters to block specific types of spam messages.
> Trusted Contact Lists
Whitelist important contacts and sender IDs to ensure you never miss critical messages from banks, services, or family.
> Instant Block Lists
Take immediate control by blocking any spam number or sender ID with a single tap.

[ Privacy First ]
All message processing happens entirely on your iPhone. Your data never leaves your device.
Complete control with an intuitive interface that shows you exactly how Defndr protects your messages.
[ Setup in Seconds ]
1. Settings → Messages
Navigate to the Messages section in your iPhone's Settings app.
2. Unknown & Spam
Find and tap on the message filtering options.
3. Enable Defndr
Turn on 'Filter Unknown Senders' and select Defndr.
Ready to protect your messages?
Join thousands of users who trust Defndr to keep their inbox clean and secure.