Report updated May 8, 2026

Overview · Full Intel report in progress

Number Book - Reveal Caller ID is an established productivity app that is completely free. With a 3.4/5 rating from 5 reviews, it shows polarized user reception.

What is Number Book - Reveal Caller ID?

Number Book is a utility tool designed to provide caller identification and metadata for unknown phone numbers. The app offers insights into caller identity, geographic location, and network details to help users manage incoming communications.

Current Momentum

v1.0

No release notes available.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Productivity

No ranking data

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

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What Are The Key Features?

Name IdentificationStandard

Instantly retrieves the name associated with a phone number to provide context for incoming calls.

Location TrackerStandard

Identifies the geographic location of a caller to distinguish between local and international contacts.

Carrier DetectionStandard

Determines the network provider associated with a number to help estimate potential call costs.

Line Type RecognitionStandard

Categorizes phone numbers as either mobile devices or landlines.

How much does it cost?

Free

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 Number Book - Reveal Caller ID?

How's The Productivity Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Number Book - Reveal Caller ID

Key Takeaways

The app functions as a reverse phone lookup tool that aggregates caller identity, location, and carrier data for unknown numbers.

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 Number Book - Reveal Caller ID, 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. “Number Book - Reveal Caller ID Intelligence Report.” Updated May 8, 2026. https://marlvel.ai/apps/number-book-reveal-caller-id

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