Downloads
Block calls from numbers not in your contacts.
AppBrain's verdict
Niche- Installs
- 2.7 thousand
- Last updated
- August 9, 2025
- Ads
- No ads
- Size
- N/A
Unknown Blocker is a niche app, with 2.7 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on Unknown Blocker for Android
Store listing
By Fernando Valler, from Google PlayDescription by Fernando Valler Written by the developer, not by AppBrain. Click to read.
With Unknown Blocker, you only receive calls from people you trust.
This app automatically blocks any incoming call from numbers not saved in your contacts. Simple, direct, and effective.
- 🔒 Privacy and security first
- 🚫 Say goodbye to annoying and unwanted calls
- ✅ Clean and easy-to-use interface
Keep your phone safe and quiet — always.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- N/A
- Content rating
- Everyone
Technologies used by Unknown Blocker
Releases
Updates seen on Google Play- Launched
- August 2025
Alternatives
Similar apps and more from Fernando VallerAlternatives to Unknown Blocker
More from Fernando Valler
Installs
Tracked by AppBrain- Last 30 days
- 280
- Play install range
- 1+ thousand
- Launched
- August 2025
Installs over time
Unknown Blocker has been installed 2.7 thousand times. Over the past 30 days, it has been installed 280 times.
Rankings
Google Play top chartsGoogle Play Rankings for Unknown Blocker
About the app and developer
About Unknown Blocker
Unknown Blocker is a communication app developed by Fernando Valler.
How many times has Unknown Blocker been installed?
Unknown Blocker has been installed 2.7 thousand times. In the last 30 days, the app was installed 280 times.
What is the rating of Unknown Blocker?
Unknown Blocker has no ratings yet.
Is Unknown Blocker free?
Unknown Blocker is free. The last update was on August 9, 2025.
What are the requirements for Unknown Blocker?
The app has a content rating of Everyone. The app has been available on Google Play since August 2025.
Unknown Blocker is made and published by Fernando Valler. AppBrain is an independent app data site and isn't affiliated with Fernando Valler. The app name, icon, screenshots and description belong to Fernando Valler and are shown as published on Google Play.
App Performance Report
Get a detailed PDF report for Unknown Blocker with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29