Watchtower - Call Blocker

Name: Watchtower - Call Blocker
Author: 3d.monti

Android app by 3d.monti. Tools · 3d.monti

Store rating: Unknown
Store rating count: Unknown
Download price: Free to download
In-app purchases: Not listed in captured metadata
Version: V5
Listing last refreshed: 2026-09-15

Store description excerpt

Find your peace of mind Watchtower was created to protect your privacy and help you regain your peace of mind from repeated commercial calls, unwanted calls and telemarketing attempts. Respect for your privacy Born from a personal need, Watchtower was developed independently before being made available to everyone free of charge. With no ads, no data collection and fully offline operation, it was designed to fully respect your privacy. Autonomous by design Watchtower does not rely on any server, user account or cloud service. Once installed, the app operates autonomously and keeps your data exclusively on your device. Effective protection from the moment you install it The official telemarketing number prefixes defined by French authorities are built directly into Watchtower. Once activated, the app automatically protects you from calls originating from these prefixes, with no configuration, synchronization or Internet connection required. Smart filtering Watchtower’s decision engine analyzes each call according to your configuration and automatically applies the appropriate rule. Every decision is made locally on your device to protect your privacy. An app that adapts to your needs Use Watchtower without any configuration or customize the filtering according to your preferences. Allow lists, block lists, prefixes, countries and international dialing codes can be combined to precisely adapt the protection to your needs. Your blocking rules belong to you. Unlike blocking numbers directly through your phone, Watchtower lets you keep and back up your own filtering rules. Allow lists, blocked numbers, prefixes, settings and the complete state of the application can all be exported as a backup. If you change phones, reinstall the app or simply want to keep a backup, you can restore your configuration and recover your lists without having to manually recreate all your blocking rules. Powerful filtering without compromise Watchtower allows you to progressively build your own configuration while remaining in control of your data. Your protection does not depend on a remote community database, an online account or a server. With Watchtower, take back control of your calls with effective, backed-up, fully offline protection that respects your privacy.

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