Report updated Apr 24, 2026
Who's calling?
For mobile users seeking to reduce unwanted interruptions from spam and scam callers.
Overview · Full Intel report in progress
Who's calling? is an established utilities app that is completely free. With a 4.1/5 rating from 39 reviews, it shows polarized user reception.
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Automatically detects and identifies incoming calls associated with spam or scam activity.
Allows users to block specific unwanted incoming calls or entire categories of numbers.
Enables users to create and manage personal lists of numbers to be blocked or identified.
Provides a search function to check specific phone numbers against the app's internal database.
How much does it cost?
Who Built It?
Vasiliy Shaydullin
Providing technical utilities and developer tools for mobile power users, system administrators, and CAD professionals.
Portfolio
3
Apps
What other apps does Vasiliy Shaydullin make?
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Portfolio breakdown, audience, momentum, and every app published by Vasiliy Shaydullin.
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What do users think recently?
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View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Who's calling??
How's The Utilities Market?
Market outlook for this category
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Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Who's calling?
Key Takeaways
This is a straightforward call-filtering utility focused on identifying and blocking unwanted phone traffic.
Where Is It Heading?
Trend analysis
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