Report updated Apr 17, 2026

Overview · Full Intel report in progress

Firewall - Spam Call Blocker is an established utilities app that is available. With a 4.3/5 rating from 1.6K reviews, it shows polarized user reception.

What is Firewall - Spam Call Blocker?

Firewall is a utility app that manages incoming communications by restricting calls and texts to a user-defined whitelist of contacts. It aims to eliminate spam and robocalls by routing all non-approved callers to voicemail, while offering additional privacy tools like anonymous outbound calling.

Current Momentum

v1.3 · 43mo ago

Zombie

Last updated 1303d ago. 5 versions tracked.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Utilities

No ranking data

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Whitelist-based Call BlockingStandard

Blocks all incoming calls except those from approved contacts, effectively filtering out robocalls and unknown numbers.

SMS Spam BlockerStandard

Filters unwanted text messages to reduce disruptions and maintain user privacy.

Visual VoicemailStandard

Provides a system to screen and manage messages left by callers.

Anonymous Outbound CallingStandard

Allows users to make calls while protecting their personal phone number.

How much does it cost?

Subscription

Who Built It?

Ad Hoc Labs, Inc app icon

Ad Hoc Labs

(92.2K)

Providing privacy-focused communication tools for users seeking to manage digital boundaries and reduce unwanted contact.

Portfolio

2

Apps

Free 1
Utilities100%

Explore the full Ad Hoc Labs report

Portfolio breakdown, audience, momentum, and every app published by Ad Hoc Labs.

Go deeper

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

Analysis in progress, available soon

What is the competitive landscape for Firewall - Spam Call Blocker?

How's The Utilities Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Firewall - Spam Call Blocker

Key Takeaways

While the app offers a unique whitelist-only approach to spam, recent user feedback highlights critical technical stability issues and potential difficulties with call routing after uninstallation.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Firewall - Spam Call Blocker, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Firewall - Spam Call Blocker Intelligence Report.” Updated Apr 17, 2026. https://marlvel.ai/apps/firewall-spam-call-blocker

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