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Cell Signal

Monitoring & Mapping

From simple signal strength widgets up to full-fledged war-driving apps (also see WLAN WarDriving) …

• Network Cell Info Lite (4.5@36,296) Ǥ 11 / Network Cell Info (4.7@4,722; ~EUR 2.25) Ǥ 10
• Coverage - Cell and Wifi Network Signal Test (4.5@20,034) Ǥ 12
• Phone signal information (4.5@1,008) 5 / Phone Signal Strength (no ads) (4.5@68; ~EUR 0.75) Ǥ 6
• Netmonitor (4.4@11,060) Ǥ 13
• Phono (4.4@7,354) 7 / Phono Donation (4.8@93; ~EUR 0.50) 3 LastUpdate: 2010-05-16 Widget for carrier, signal strength, and more
• Keypad-Mapper - OpenStreetMap (4.4@194) 11 LastUpdate: 2013-12-12 contributes to OpenCellID
• Signal Guard Free (4.3@1,943) Ǥ 21 LastUpdate: 2017-03-04 / Signal Guard Pro (4.1@285; ~EUR 5.25) Ǥ 20 LastUpdate: 2017-02-07
• NetMonster (4.3@1,426) Ǥ 13
• AeroConn - network monitoring (4.3@811) 8 LastUpdate: 2017-03-11
• NetMonitor Cell Signal Logging (4.3@739) 10
• Network Monitor (4.3@489) 10 Github; Intro 10/2016
• Brigitel (4.3@225) Ǥ 11 LastUpdate: 2017-02-25
• 4G WiFi Maps & Speed Test. Find Signal & Data Now. (4.2@373,562) Ǥ 12 Intro 1/2013; Video Demo 2/2013; Testbericht 6/2013; Wikipedia
• Sensorly: 4G Coverage and Speedtests (4.2@20,045) Ǥ 12
• LTE Discovery (4.2@16,044) Ǥ 27
• Cell Signal Monitor - mobile networks monitoring (4.2@4,900) 9 Kurzvorstellung 7/2014;
• inViu routes GPS tracker OSM (4.2@301) 15 Test 7/2013; Vorstellung 10/2013; OSM Wiki EN | DE; tracker using and contributing to OpenCellID, also supports GeoNotes
• Tower Collector (4.2@200) 10 Github; contributes to OpenCellID; IzzyOnDroid recommendation (F-Droid version)
• Network Signal Info (4.1@34,779) Ǥ 18 / Network Signal Info Pro (4.2@4,208; ~EUR 3.25) Ǥ 18 Test 6/2013
• G-MoN (4.1@4,511) Ǥ 12 Video Demo 6/2012; WarDriving Wiki: G-MoN
• NoGa Cell 2G 3G 4G (4.1@33) Ǥ 12
• CellMapper (4@1,328) Ǥ 12
• MyMobileCoverage (4@729) Ǥ 15
• The Coverage Project (4@553) 24 LastUpdate: 2017-01-06
• inViu OpenCellID (4@307) 9 LastUpdate: 2016-11-06 records cell towers incl. coordinates for open-source database, see OpenCellID (map) and in the Wiki
• Cell Towers (3.9@3,073) Ǥ 10
• CellID Info (3.9@1,744) 2 LastUpdate: 2013-10-18
• Antennas (3.8@4,117) 7 LastUpdate: 2012-05-15
• SignalCheck Lite (3.8@1,001) 8 LastUpdate: 2016-02-18 / SignalCheck Pro (4.4@733; ~EUR 3.25) 11
• Cell Coverage Map - mobile network signal testing (3.8@605) 10
• GSM Signal Tracker (3.8@326) 9 LastUpdate: 2015-09-27
• cellumap (3.8@162) 7 LastUpdate: 2014-09-16
• Cellular Info (3.8@33) Ǥ 12
• Signal Finder (3.7@3,830) 8 LastUpdate: 2017-09-26
• RF Signal Tracker (3.7@2,155) Ǥ 13 Video Review 1/2011 | 9/2011;
• RadioBeacon (0@0) 11 LastUpdate: 2016-09-15 Github; Wiki; Map wireless networks and cell towers for the radiocells.org database (formerly OpenBmap)

Bad Signal Alert

Some of the apps mentioned in Monitoring & Mapping include this feature. But the following candidates are specialized in alarming you on bad reception:

• Deeps Network Utility (4.5@53) 8 LastUpdate: 2016-07-06
• Dr. Network (4.3@214) Ǥ 8
• GSM Signal Monitor (4.1@1,110) Ǥ 9
• Signal Notifier (4.1@97) 2 LastUpdate: 2014-06-27
• Signal Strength Warning (4@34) Ǥ 6 LastUpdate: 2016-10-26
• Signal Alert Lost Signal (3.6@57) 7 LastUpdate: 2014-11-28

Bad Signal Handler

If your device should take action automatically on bad reception (e.g. switch to airplane mode for a few minutes, then re-check), the following candidates are worth a look:

• Auto Pilot Mode (3.8@505) 7 LastUpdate: 2015-02-28 Intro 4/2014; Android 4.2+: root needed (up to 4.1 no root needed)
• NoBars Battery Saver (3.8@358) 4 LastUpdate: 2017-08-10 Test 9/2012

IMSI Catcher

• Cell Spy Catcher (Anti Spy) (4.3@2,446) 7 detect Stingray Cell Phone Trackers („IMSI catchers“)
• GSM Spy Finder (4.1@2,912) Ǥ 13 detect Stingray Cell Phone Trackers („IMSI catchers“), but spies itself (see included trackers)
• SnoopSnitch (3.3@3,275) 15 Intro 1/2015; Video Demo 11/2016; Mike‘s favorite; detect Stingray Cell Phone Trackers