Download Sources
Device Configuration
Split APKs Installation Guide
Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.
What's New
• Added Czech language support.
• Fixed a UI issue when protection is temporarily disabled.
• Added a switch on the Status screen to quickly turn protection off and on.
• In passive mode, the incorrect call blocked notification no longer appears.
About This App
Callfilter.app is a simple and effective app that blocks unwanted calls. It’s free, has no ads, and doesn’t collect or share your personal data.
WHAT IT BLOCKS
Callfilter.app can automatically block:
• Telemarketing and aggressive sales calls
• Scam and fraud calls
• Debt collector calls
• Unwanted offers from banks
• Survey calls
• “Silent” calls (instant hang-ups)
• Calls from numbers in your personal blacklist (wildcards supported, optional)
• Calls from numbers not in your contacts (optional)
• Any other unwanted calls
PRIVACY-FIRST
You can use Callfilter.app without Contacts access.
If you choose to allow Contacts access, the app can always allow calls from your contacts (optional).
ALWAYS UP TO DATE
The spam database is updated multiple times a day. Updates are optimized to keep protection strong without draining your battery or wasting data.
User Reviews
The built-in Hiya spam filtering on my Samsung phone would sometimes block calls from numbers in my contact list and was still letting some spam calls through. This app allows me to send calls from every number not in my contact list straight to voice-mail and saves me half a dozen spam calls a day. It's easily one of the most useful apps on my phone.
I've used this app for ~ a year now, it has improved my quality of life more than any other app of any category. It consistently functions perfectly. If I'm expecting a call from a number outside my contacts I'll just pause the app, or can use its record of successfully blocked numbers to call them back. I'm grateful such a wonderful app is available for free. Thank you to the developer(s); you've done so well and you are very, very, appreciated.
Great little app that lets me block calls from certain numbers while not being invasive and asking for a dozen permissions. The other apps require email, phone dialer, contacts, texts, and location permissions; but this ONLY asks for spam call permission. It doesn't even need to connect to the Internet for every call, it filters based on cached lists. Literally the best for privacy, protection, and spam protection!
The only thing lacking in this excellent call blocker app is the ability to "turn off protection indefinitely" if needed so I don't have to uninstall the app in order to achieve that. Right now you can only turn it off for a 48-hour period and then you have to turn it off again. With my need right now because of an auto accident and I am in recovery mode, I need to keep the app turned off for calls coming from unknown numbers from doctors and other things through the next month or so
How to Download Callfilter.app APK
- Enter the package name
callfilter.appon the APK Downloader. - Select your device architecture (ARM64 recommended for modern devices).
- Click Download to get the merged APK file.
- Transfer and install the APK on your Android device.
- Keep Updated: Visit APKDER.COM regularly to search for and download the latest secure versions of your favorite apps.
Security & Signature Verification
This APK download is 100% safe. We verify that the cryptographic signature of the file matches the official developer credentials. No modifications or adware are injected.
