SpamBlocker Extended (Call/SMS/Notification)

SpamBlocker Extended (Call/SMS/Notification)

Spam Call/SMS/Notification blocker

KerballOne Phone & SMS

Download (8.0 MB)

Screenshots

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Description

It blocks unwanted calls, SMS messages, and app notifications without replacing your default call/SMS app.

Notification Screening applies your blocking rules to RCS, Signal, WhatsApp, email, and any other messaging app that posts a notification, not just your default SMS app, so spam gets filtered no matter which app it arrives through. Alerts give you a lightweight sound/vibration/flashlight/screen-wake chime for allowed screened notifications, instead of a duplicate full notification.

Filters:

1. Regex rule for number & SMS content.
2. Contact
3. STIR attestation
4. Repeated call
5. Dialed number
6. Recently used apps
7. Time schedule
8. Notification Screening (title/body of chosen apps' notifications)

Details: https://github.com/KerballOne/SpamBlocker-Extended

What’s new (6.1.1)

SpamBlocker Extended 6.1.1

New:
- Rule Testing now supports testing Notification-type rules, with translations for all locales.

Fixes:
- Fixed the Play Store/F-Droid listing icon still showing the original upstream icon instead of this fork's icon (a leftover asset outside the app's build path, not visible in the app itself).

Versions

Version Date Size Requires Android Download
6.1.1 current
4f948214378e1019…
 2026-07-14 8.0 MB API 29
6.1
130ef01dd5270451…
 2026-07-12 8.0 MB API 29
6.0
77151fe1e5d04ce1…
 2026-07-10 7.9 MB API 29

Permissions

What the app asks the system for. Android only grants sensitive access after you confirm it.

  • Internet accessSend and receive data over the internet.
  • READ_CALL_LOG
  • Phone stateDetect ongoing calls and read device information.
  • ANSWER_PHONE_CALLS
  • Read SMSRead text messages.
  • Receive SMSProcess incoming text messages.
  • RECEIVE_MMS
  • Send SMSSend text messages (may cost money).
Show 16 more permissions
  • NotificationsShow notifications.
  • Read contactsAccess the address book.
  • PACKAGE_USAGE_STATS
  • REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
  • Read calendarRead appointments.
  • Display over other appsDraw content on top of other apps.
  • System settingsChange system settings.
  • READ_LOGS
  • VibrationControl the vibration alert.
  • Prevent sleepingKeep the device from going to sleep.
  • CameraTake photos and videos.
  • FLASHLIGHT
  • Network stateCheck whether and how the device is connected.
  • Run at startupStart automatically after the device is switched on.
  • Foreground serviceKeep running in the background, visible in the status bar.
  • spamblocker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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