No. 15 of 41 ·Spam Call Blocking Apps

Callfilter.app

Android

Visit site Alternatives

Freedom report

One barScore 5.3

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Callfilter.app is ranked #15 of 41 in spam call blocking apps on Freedom251. It runs on Android.

Compared on spam call blocking apps

Call screening: Yes
Supported platforms: android

Best Callfilter.app alternatives

See all 20

Two bars Getcontact Free tier No. 1$2.99/mo6.6 Two bars YouMail Free tier No. 2Free6.6 One bar Hiya Spam Blocker Free tier No. 3$2/mo6.5 One bar RoboKiller Free tier No. 4$2.67/mo6.5 One bar CallApp Free tier No. 5Free6.4 One bar T-Mobile Scam Shield Free tier No. 6$4/mo6.4

The record

Purpose: CallFilter is a call blocker for Android that rejects unwanted incoming calls using rules the user controls.
Custom rules: The maker says CallFilter supports custom regex rules for matching phone numbers.
On-device processing: CallFilter uses Android’s native CallScreeningService API and performs call checks locally on the device.
Rule engine: The maker describes a SQLite-based local rule engine with no remote database lookups.
Call controls: The Play Store listing says users can block 8-digit numbers, numbers on a personal list, custom-pattern matches, or all incoming calls.
Notifications: The Play Store listing says users can optionally receive a notification when a call is rejected.
Offline use: The maker describes the app as 100% offline, with no accounts or tracking.
Privacy policy: The privacy policy says the app does not collect, store, or transmit personal data to external servers and does not use third-party SDKs, advertising networks, or tracking libraries.
Open source: The maker describes CallFilter as fully open source and invites users to audit and contribute to the project on GitHub.
Notable limitation: The Play Store listing warns some features may not work correctly on Samsung devices running Android 12 or later.
Phone app relationship: The Play Store listing says CallFilter does not replace the phone app and only filters incoming calls according to the user's settings.
Support: The Play Store listing gives [email protected] as the support email and links to the maker’s website and privacy policy.

Where it ranks on Freedom251

Best Spam Call Blocking Apps in 2026#15 of 41

Is Callfilter.app yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Callfilter.app

Sources

callfilter.pedrorau.dev· checked 5 Oct 2026
play.google.com/store/apps/details· checked 5 Oct 2026
callfilter.pedrorau.dev/privacy· checked 5 Oct 2026