Defndr: SMS Spam Blocker

AI Spam Filter for Texts

Only for iPhone

Free · In‑App Purchases

iPhone

Stop spam before it reaches you. Defndr blocks scam and phishing texts and sorts the rest into folders — all on-device. No cloud, no tracking, no ads. Defndr is an SMS firewall that stops spam before it reaches you. On-device machine learning checks every message from unknown senders, blocks phishing and scams, and quietly sorts the rest into the right folder — without sending anything anywhere. Your messages never leave your iPhone. — ZERO-TRUST PRIVACY - 100% on-device processing - No cloud servers, no analytics, no tracking - Nothing to sign up for - Your data stays on your device FREE - On-device spam and scam detection - Custom keyword blocking - Protection against shortened and disguised phishing links - Automatic sorting into Transactions, Promotions and Junk - No ads, no data collection DEFNDR PRO - Advanced machine-learning detection for sophisticated scams - Adjustable sensitivity, from lenient to strict - Allow and block lists for senders you choose - Unlimited custom keywords - Detection for suspicious formatting, links and patterns - Custom theme studio with a gradient editor HOW IT WORKS Defndr plugs into iOS Message Filtering and runs silently in the background. Messages from people in your contacts are never touched — only texts from unknown senders are checked, and the verdict is decided entirely on your device. — Web: https://dro1d.org Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy: https://dro1d.org/defndr-privacy.html

  • 3.0
    out of 5
    2 Ratings

- New: messages are now sorted automatically into your Transactions, Promotions and Junk folders - Stronger phishing protection, including shortened links and disguised web addresses - Fewer false positives — one-time codes and delivery updates are recognized and kept - Detection now sees through look-alike characters used to slip past filters - Faster, lighter background filtering and a refined upgrade screen

The developer, DRO1D LABS LIMITED, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • Dark Interface

    Seller
    • DRO1D LABS LIMITED
    Size
    • 34.4 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    • Defndr Premium Yearly $14.99
    • Defndr Lifetime Premium Access $34.99
    Copyright
    • © 2026 Dro1d Labs Limited