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Block numbers
Add contacts and phone numbers and mark them as blocked or allowed.
🛡️ Android app for protection and documentation
Protection against unwanted calls and SMS.
BlackListener helps you identify unwanted contacts, block numbers, document incidents and keep important evidence locally on your Android device.
No ads
No tracking
No cloud requirement
Local documentation
No tracking
No cloud requirement
Local documentation
More control over unwanted contact attempts.
BlackListener Call & SMS is an Android app for people who want to manage and document repeated unwanted calls or SMS more clearly.
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Document incidents
Record manual incidents with notes, phone numbers, timestamps and optional photos.
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Export PDFs
Save incidents as PDF files for your own documentation.
Privacy is at the center.
BlackListener processes SMS, call and incident data primarily locally on the device. It does not automatically transmit this data to own servers, advertising networks or analytics providers.
✓ No advertising
✓ No tracking for advertising
✓ No automatic cloud transfer
✓ Local storage
✓ Export only by your action
✓ Transparent permissions
Feature overview
The app combines protection features, management and documentation in a calm, clear interface.
Contacts & rules
Manage blocked and allowed contacts and create your own rules.
Country filter
Define which international dialing codes should be allowed.
SMS templates
Define one shared message for calls, SMS and WhatsApp templates.
Backups
Export or import protection entries, incidents and evidence photos with encryption.
Help section
Important notes and points of contact for stalking, threats or digital violence.
Permissions
SMS, call log and contacts are used only for the relevant protection functions.
Screenshots
A look at the key areas of the app.
Download app
BlackListener Call & SMS is designed for Android. Once the Google Play link is available, it can be added here.
Important note
BlackListener is a protection and documentation aid. The app does not replace legal advice, police assistance or emergency services. In immediate danger, contact emergency services right away.