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.
Latest version
Version
1.35.3
Update
Jun 22, 2026
Package ID
callfilter.app
What's new
Jun 22, 2026
• 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.