CrowdMag icon
CrowdMag4.3 (521)

University of Colorado Boulder

App Store

Report updated Apr 27, 2026

Overview · Full Intel report in progress

CrowdMag is an established utilities app that is completely free. With a 4.3/5 rating from 521 reviews, it shows polarized user reception.

What is CrowdMag?

CrowdMag is a citizen science tool developed by the University of Colorado Boulder that utilizes smartphone sensors to measure local magnetic field components. Users can record data during outdoor activities or flights to contribute to NOAA’s research on Earth's magnetic field.

Current Momentum

v2.2 · 1mo ago

Active

Last updated 46d ago. 5 versions tracked.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Utilities

No ranking data

ToolsGrossing

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Magnetic Field MeasurementStandard

Captures Z, H, and F magnetic field components in nanotesla units for visualization as maps or graphs.

Flight ModeStandard

Allows users to contribute to scientific research by measuring magnetic fields during air travel based on provided itineraries.

Data ContributionStandard

Enables users to share collected magnetic data with NOAA to assist in scientific understanding of Earth's magnetic field.

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 CrowdMag?

How's The Utilities Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for CrowdMag

Key Takeaways

While the app provides unique scientific data collection capabilities, users frequently report technical issues regarding GPS location acquisition and background recording functionality.

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 CrowdMag, 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. “CrowdMag Intelligence Report.” Updated Apr 27, 2026. https://marlvel.ai/apps/crowdmag

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