Call Blocker: Scam Spam Lookup

Call Blocker: Scam Spam Lookup

By Madduck

Call Blocker: Scam Spam Lookup is a subscription-based utility for iOS that filters incoming telemarketing and spam calls using a database of known numbers.

The App DNA

What makes this app unique?

The app removes the cognitive cost of manual call screening, though its current maintenance status limits its efficacy against evolving spam tactics.

For Individuals seeking to reduce unsolicited telemarketing and spam phone calls.

What does it look like?

Key features

Spam Call Blockingstandard

Blocks incoming calls from identified telemarketing and spam numbers before they reach the user.

Robocall Databaseedge

Maintains a list of known robocall numbers to proactively filter incoming traffic.

How much does it cost?

subscriptionWeekly subscriptionMonthly subscriptionYearly subscription

Subscription-only model requiring recurring payments for access to core blocking functionality.

Velocity

Dormant developmentopaqueShow more...

Call Blocker: Scam Spam Lookup has seen no development activity for 1,182 days. The project appears to be abandoned, as the last recorded update consisted only of a minor bug fix. There is no evidence of ongoing maintenance or feature development.

See all version history

Who built it?

Madduck

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User Sentiment

What do users think recently?

Fresh user feedback skews frustrated. Users appreciate early adopters found the initial service simple and fast for blocking unwanted incoming calls.

How are ratings & reviews evolving?

App Store
3.77 · 192

What users say, by theme

What Users Love
  • Early adopters found the initial service simple and fast for blocking unwanted incoming calls
What Frustrates Users
  • The call blocking mechanism fails to filter spam calls, leading to frequent unwanted interruptions
+ 2 more themes

20 of 20 recent reviews analyzed · moderate confidence · Frustrated overall

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Unlock 2 more frustration themes, each backed by review evidence.

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Competition

Competitive landscape for Call Blocker: Scam Spam Lookup

How's the Utilities market?

Call Blocker maintains a 3.77-star rating across 192 total ratings on iOS. The lack of updates for over 1,100 days signals a product in maintenance mode, which limits its competitive standing against OS-level spam protection.

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The rivals identified

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The Analyst's Read

Key takeaways for Call Blocker: Scam Spam Lookup

Where is it heading?

The market for third-party spam blocking is consolidating as mobile operating systems integrate these features natively. Call Blocker is poorly positioned to compete given its maintenance-mode status and subscription-only pricing, which will likely accelerate user attrition over the next two quarters.

  • The lack of updates for over three years suggests the database is stale, which directly causes the ineffective blocking reported by users.
  • Aggressive default settings block legitimate professional calls, leading to negative sentiment and high churn risk among the remaining user base.

The SWOT

Core Strengths
  • Proactive database filters calls before device rings
Critical Frictions 2 weaknesses inside
Growth Levers
  • Crowdsourced blacklist to update the blocking database
Market Threats 1 threat identified

Next best moves

1 Sunset

Sunset the subscription model because the service is in maintenance mode → reduce user frustration and refund requests

The counter-intuitive read

The app's biggest risk is not its lack of updates…

Read the full take

Since the last report: The app's strategic positioning has shifted from a focus on internal maintenance to an acknowledgement of external market consolidation, specifically the threat posed by native OS-level spam blocking. This has resulted in a pivot from planned feature improvements to a proposed sunset of the subscription model.

Bottom line

Call Blocker's reliance on a static database in a subscription model creates a value mismatch that drives churn, as the service fails to filter current spam while blocking legitimate contacts.

Unlock 2 critical frictions, 1 market threat and the analyst’s take.

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FAQ

Is Call Blocker effective against current spam calls?
Users report that the app frequently fails to block current spam calls, likely due to the lack of database updates since May 2023.
Does Call Blocker block important calls?
Yes, reviewers report that the app's aggressive default settings often block legitimate calls from medical offices and professional services.
How do I cancel my subscription?
Users report difficulty canceling subscriptions through the app, suggesting that users should manage their subscriptions directly through their iOS account settings.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

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

What's new

The app's strategic positioning has shifted from a focus on internal maintenance to an acknowledgement of external market consolidation, specifically the threat posed by native OS-level spam blocking. This has resulted in a pivot from planned feature improvements to a proposed sunset of the subscription model.

added

OS-level threat identification

shifted

Subscription sunset proposal

added

Crowdsourced blacklist opportunity

Cite this report

Marlvel.ai. “Call Blocker: Scam Spam Lookup Intelligence Report.” Updated Aug 18, 2026. https://marlvel.ai/apps/call-blocker-scam-spam-lookup

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