OpenCellID is described as 'Collaborative project to create a free worldwide database of Cell IDs and their corresponding location area identity' and is an website. There are eight alternatives to OpenCellID, not only websites but also apps for a variety of platforms, including Android, F-Droid, iPhone and Android Tablet apps. The best OpenCellID alternative is Atalaya, which is both free and Open Source. Other great sites and apps similar to OpenCellID are beaconDB, Tower Collector, OpenSignal and openBmap.
Atalaya is a cell tower monitor which you can get detailed information about the antenna to which your device is connected, such as its identifiers, technology type, bands in use, and the signal quality with the most representative values.
Atalaya is the most popular Android alternative to OpenCellID.
Atalaya is the most popular Open Source & free alternative to OpenCellID.
an in-development wireless geolocation database with public domain data dumps - alternative to Mozilla Location Services
beaconDB is the most popular Web-based alternative to OpenCellID.
This app collects GPS locations of GSM/UMTS/LTE/CDMA cell towers and sends them to OpenCellID.org database. It is designed to help map the extent of mobile phone network coverage. It is also possible to collect measurements for private purposes and export them to CSV or GPX...
Tower Collector is the most popular Android Tablet alternative to OpenCellID.
With OpenSignal you can map cellular coverage, find Wi-Fi hotspots, test and improve your reception & get faster data.
OpenSignal is the most popular iPhone alternative to OpenCellID.
Radiocells.org is a community project to collect informations on cell tower and wifi base stations and bring them on a map.
Crowdsource open collection of mobile towers via app and also visible on the main website https://www.cellmapper.net/map.
An all-in-one app for Wi-Fi and VPN connection that helps you optimize and secure your mobile network experience. Whether you're looking to improve your signal quality, locate the best network coverage, or enhance your privacy with a VPN, our app provides the essential tools...
Cellular Tower - Signal Finder is the most popular iPad alternative to OpenCellID.
NetMonster collects, shows and stores information about nearby cell towers. Each tower has its unique set of identifiers and NetMonster will show you them.
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OpenSource, Free(not as in Beer)ly developed crowd sourced location service. Works good and reliable, quickly growing.