Works good
It's free as far as I could tell. Will map cell service and other sensors on GPS.
Free
About
This app transforms your iPhone into a signal survey tool, passively collecting cellular data as you move. Visualize coverage with heatmaps, track mileage for deductions, and analyze signal performance with detailed charts and an AI assistant. It offers parcel-level data and prioritizes user privacy by storing data on-device.
✓Passive cellular signal collection
✓Coverage heatmaps and dead zone identification
✓On-demand surveys for various signals
✓Automatic mileage tracking for deductions
✓Parcel-level property data
✓AI assistant for data analysis
✓Privacy-focused on-device data storage
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What's New in Cell Surveys
1.4.0
October 7, 2026
New: Cell Surveys Pro. • Signal heatmaps, coverage maps and survey recording stay free. • Pro adds parcel boundaries and property details on the map, operator mode for locking a parcel and mapping its signal, and automatic mileage and trip tracking with trip summaries, saved places and vehicles. • If you already use Cell Surveys, Pro is free for your first three months. You don't need to do anything. Settings › Cell Surveys Pro shows when it ends. • Pro is $4.99 a month or $39.99 a year, with a 7-day free trial. Your subscription also unlocks Pro on the web dashboard.
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FAQ
What is Cell Surveys?
Cell Surveys turns your iPhone into a signal survey tool. It passively collects cellular signal data as you move, allowing you to view coverage heatmaps, track mileage, and identify dead zones on an interactive map.
How does Cell Surveys collect signal data?
It automatically records cellular signal strength in the background using GPS as you drive, walk, or commute. No manual effort is required for passive signal collection.
Can Cell Surveys track mileage for tax deductions?
Yes, the app features automatic trip detection that logs your drives for IRS mileage deductions. You can view trip history and driving time on the ellsurveys.com/mileage dashboard.
Does Cell Surveys have ads?
No, Cell Surveys does not contain advertisements. It is a completely ad-free application.
What devices does Cell Surveys support?
Cell Surveys is available for iPhone and iPad devices.
How is my data handled by Cell Surveys?
Cell Surveys prioritizes privacy by storing all data on-device by default. Location and signal data are never shared without your explicit consent.
What kind of signal data can be collected?
Beyond passive cellular signal strength, you can run on-demand surveys for cellular, WiFi, Bluetooth, ambient noise, and light levels, recording signal data along a path with real-time charts.
When was Cell Surveys last updated?
The latest version of Cell Surveys, 1.2.0, was last updated on July 21, 2026.
