SigLens: US Cell Tower Map
iOS app by Zcode. Navigation · Zcode
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.1
- Listing last refreshed
- 2026-09-15
View the original store listing
Store description excerpt
SigLens is a focused utility for locating cellular towers and understanding carrier coverage across the United States. Whether you are a traveler, a remote worker, or a tech enthusiast, SigLens helps you visualize the cellular infrastructure around you. Using the OpenCelliD database, SigLens provides a clear, map-based view of cell towers from major US carriers. Instead of guessing where your signal is coming from, you can see the physical locations of the towers that power your connection. Key Features: - US Tower Map: A clean, interactive map showing cell tower locations across the United States. - Carrier Filtering: Filter towers by carrier (MCC/MNC) to see the infrastructure relevant to your service. - Tower Details: Tap any tower to see its unique identifier (Cell ID), radio type (LTE, GSM, UMTS), and approximate location. - Offline Search: Search for towers in specific areas even when your connection is limited. - Privacy First: Your location is used only to center the map and find nearby towers. No data is collected or shared. Honest Framing: SigLens is a tower locator and map utility, not a live signal meter or speed test tool. It does not display real-time signal strength (dBm), RSSI, or "bars" from your device's hardware, as iOS restricts access to this data. It does not perform network speed tests or crowdsource signal data. Tower data is provided by OpenCelliD and is subject to their database coverage and accuracy. Data Attribution: This app uses data from OpenCelliD, which is made available under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0). One-time purchase. No subscriptions. No ads.
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