SpamBlocker APK v5.19 · Latest Version for Android
SpamBlocker blocks unwanted calls and SMS without replacing your phone or messages app, using contacts, regex, STIR/SHAKEN and many filters.
- Version
- 5.19
- Updated
- Oct 16, 2026
- Size
- 8.1 MB
- Requires
- Android 10+
- Developer
- aj3423
- Category
- Communication
- License
- MIT
- Package
- spam.blocker
Screenshots
What's New in v5.19
- Fix:
- Reverted the Hang-up change made in 5.18
- Improvements:
- Custom notification icon is back, supported Android versions: 10~15 and 17, not 16.
What is SpamBlocker?
SpamBlocker filters spam calls and texts while you keep your usual dialer and messaging apps. It offers a long list of filters, from simple contact checks to regular expressions, schedules and spam databases.
Key Features
- Works alongside your default phone and SMS apps
- Filters by contacts, groups and number prefixes
- STIR/SHAKEN and repeated-call rules
- Regex rules and spam databases
- Schedules and meeting mode
Getting Started
Grant the call screening role and notification access, then enable the filters you need. Start with “allow contacts only” for strict blocking.
Open Source and Privacy
SpamBlocker is developed in the open by aj3423 and released under the MIT license. The code is hosted at github.com/aj3423/SpamBlocker, so anyone can check what the app does. The version on this page has no ads or tracking libraries flagged by F-Droid.
How to Install SpamBlocker APK
- Tap Download and get the SpamBlocker v5.19 APK (8.1 MB).
- Optional: compare the file’s SHA-256 checksum with the one on the download page.
- Open the file and allow your browser or file manager to install unknown apps if asked.
- Tap Install. Updates from the same source install over this one and keep your data, because they are signed with the same key.
Frequently Asked Questions
Is SpamBlocker free?
Yes. SpamBlocker is free and open-source software released under the MIT license. It has no ads and no paid version is required to use it.
Is this SpamBlocker APK safe?
The APK on this page is the original file published in the F-Droid repository, unmodified. Its SHA-256 checksum is listed on the download page so you can verify it, and the full source code is public.
What Android version does SpamBlocker need?
SpamBlocker v5.19 requires Android 10 or newer.
Where can I find the source code of SpamBlocker?
The source code is available at https://github.com/aj3423/SpamBlocker. You can read it, report issues or contribute there.