CellMapper maps cellular towers and coverage from crowdsourced data, with filters for providers and regions.
CoverageMap
CoverageMap compares cellular coverage from carriers in four countries.
About CoverageMap
CoverageMap compares cellular coverage from carriers using crowdsourced speed tests and signal measurements. Users can view coverage maps, compare carriers by location, and run a real-time test for download speed, upload speed, latency, and jitter.
The service states availability in 4 countries. For developers and businesses, it offers an API that returns coverage, signal strength, and speed-test data for U.S. locations, up to 100 per request, along with vector tiles, embeddable maps, and CSV-based coverage reports.
Key features
- Compare carrier coverage maps by location using crowdsourced measurements
- Run speed test for download, upload, latency, and jitter
- View LTE and 5G NR coverage for MNOs and MVNOs
- Query API for coverage and signal for up to 100 US locations
- Embed customizable coverage map on external website
- Upload CSV of locations to generate coverage report
Best for: People comparing mobile carriers by location and developers needing U.S. coverage data.
Good for
- Uses crowdsourced speed tests and signal measurements from real users
- Speed test includes download, upload, latency, and jitter
- Offers API, vector tiles, embeddable maps, and CSV reports
Watch out for
- Stated availability is limited to 4 countries
- Developer API covers U.S. locations
- API requests limited to 100 locations per request
CoverageMap at a glance
- Website
- coveragemap.com
- Category
- Travel & Maps › Maps, Navigation & Weather
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
CoverageMap alternatives
Tools and sites you could use instead, ranked by how closely they match.
ACLED’s US Monitor provides coverage of protest and extremist activity in the United States.
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CoverageMap FAQ
How does CoverageMap.com work?
It aggregates data from millions of real-world speed tests and signal measurements from users to show coverage information.
What does the speed test measure?
It measures download speed, upload speed, latency, and jitter in real time.
What does the CoverageMap API return?
It returns coverage, signal strength, and real-world speed test data for a list of U.S. locations in a single JSON response, up to 100 per request.
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