SpamBlocker (Call & SMS)

aj3423

SpamBlocker (Call & SMS) is an open-source (MIT) Android app by aj3423. The APK we host is 8.1 MB, it needs Android 10 or newer, and it declares 22 permissions.

The file on this page is SpamBlocker (Call & SMS) 5.19, 8.08 MB, and it installs on Android 10 and newer.

We compared the signing certificate of this build with the certificate recorded the first time spam.blocker entered the site, and published both the file's SHA-256 and the certificate's fingerprint above so you can check the download yourself. That comparison says the file was not repackaged by someone else; it is not a review of what the app does.

The manifest inside the APK declares 22 permissions, including access to your call log, phone state, your SMS messages, sending SMS messages and your contacts. Android asks you to approve those the first time the app needs them.

Its licence is MIT. We took this build from F-Droid, and the source for this exact version is linked below.

We do not show a star rating or an install count for this page: we have no measured figure for either, and a number we cannot source is worth less than an empty field.

Download APK · 8.08 MB

Version: 5.19
Size: 8.08 MB
Requires Android: API 29
Package: spam.blocker
Signature checked on: Oct 17, 2026
Where this file came from: F-Droid
Licence: MIT
Source code: Source for this version

File SHA-256: 0e92e8d8853f4dc8de20f05d7248ffc6cf553693ab63d8cc37662cf8a7b20c0f

Signing certificate (SHA-256): 7b1ce727856f3427eab1fadfad6c9730cd4e6ba201661547f009206377dffb58

We check that this file carries the same signing certificate as earlier releases of the same package. That shows the APK was not repackaged by someone else — it is not a security review of the app.