Tower Collector

Tower Collector

5,000 - 10,000 downloads

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This app collects GPS locations of GSM/UMTS cell towers and sends them to 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 files.

Some features:
• 6 specially optimized GPS modes to reduce battery drain
• upload to project
• export to SD card as CSV or GPX
• built-in help in all supported languages
• ad-free, forever!

This application works ONLY on the GSM and UMTS based networks, no CDMA support!

The project goal is to create a worldwide open source database of GSM cell locations. Tower Collector gives you opportunity to contribute in OpenCellID project by uploading GSM cell towers' locations from your area. Collected data can be used to quickly locate devices without enabling GPS.

Available in: English, German and Polish. Please help me translate it to other languages, visit

This application does not collect, store or send any information which can be used to directly identify user, device which is being used or any other personal information.


• ACCESS_FINE_LOCATION - to read GPS location and cell details.
• ACCESS_NETWORK_STATE - to check network type.
• INTERNET - to upload measurements to database.
• WRITE_EXTERNAL_STORAGE - to export measurements to file on SD Card.

OpenCellID, GSM, UMTS, GPS, CellID, LAC, MCC, MNC, Location Area Code, Mobile Country Code, Mobile Network Code, cell tower, BTS, Node-B, base station, signal, latitude, longitude, provider, operator, open source, locations, localization, positioning, coordinates, GPX.

Tags: tower signal bts, cell id collector 102, mobile tower collector, source code opencellid.

Recently changed in this version

• Fixed tablets compatibility issues.

• Fixed further tablets compatibility issues.
• Fixed crash when there was nothing to export.
• Improved crash reporting.

• Fixed problem with upload.
• Fixed incompatibility message shown on tablets with GSM module present.
• Added additional fields to uploaded and exported measurements.
• Added reason to export failed message.
• Updated API key registration link.
• Minor internal updates and improvements.

• Fixed crash.

Comments and ratings for Tower Collector
  • (66 stars)

    by Bonard Tito Saragih Garingging on 14/03/2014

    This application really help us to collect the tower and I think ini have some idea, do you have an email so we can discus? Or tell me so I can give my email to you thank you

  • (66 stars)

    by Duncan Kennaugh on 23/02/2014

    However it doesn't seem to be able to update the CellID or asu etc when the phone screen is off. All GPS info updates ok but this leads to inaccurate data. For example I went on a trip (a fair few miles) with the app running and the screen off. Looking

  • (66 stars)

    by Devin Miller on 13/01/2014

    Wish it had a map feature.

  • (66 stars)

    by holger danske on 08/01/2014

    Showing cell towers in open fields across my street that weren't there. API in settings wouldn't allow me to upload 572 stored tower locations.

  • (66 stars)

    by gowri sankar on 18/12/2013


  • (66 stars)

    by Dan Alexandru on 10/11/2013

    There was a bug on my S3 mini where Signal was always unknown until opening Settings > About phone > Status.

  • (66 stars)

    by oinam amitkumar on 07/06/2013

    I love this app