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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 - Mobile & WiFi Signal (4.5@66,672) Ǥ 17 3 / Network Cell Info - Mobile & WiFi Signal (4.4@7,939; ~EUR 2.25) Ǥ 13 3 Video Intro 6/2018; can export collected cells to MLS, OpenCellId – but also to KML
• Network Survey (4.5@8) 15 2 / Network Survey+ (0@0) 10 Github / Github; advanced version (root needed)
• Phone signal information (4.4@2,300) 6
• Rx Monitor (4.4@276) Ǥ 12 2
• LTE Discovery (5G NR) (4.3@21,786) Ǥ 29 4
• NetMonster (4.3@4,974) Ǥ 14 2
• AeroConn - network monitoring (4.3@988) 8 1 LastUpdate: 2019-06-14
• Opensignal - 5G, 4G, 3G Internet & WiFi Speed Test (4.2@421,909) Ǥ 12 2 Wikipedia
• Coverage - Cell and Wifi Network Signal Test (4.2@45,179) Ǥ 15 1
• Netmonitor (4.2@14,805) Ǥ 15 3
• Network Monitor (4.2@523) 8 LastUpdate: 2019-08-11 Github; Intro 10/2016
• Brigitel (4.2@267) Ǥ 13 2
• Mobile Trace (4.2@63) Ǥ 16 4
• G-MoN (4.1@4,868) Ǥ 13 5 LastUpdate: 2020-03-28
• Cellular-Z (4.1@1,611) 19 cell, WiFi, location
• NoGa Cell 2G 3G 4G (4.1@91) 11 11
• Network Signal Info (4@41,088) Ǥ 18 11 / Network Signal Info Pro (4.1@6,019; ~EUR 4.50) Ǥ 16 2
• Cell Signal Monitor: monitoring of mobile networks (4@5,284) 10 3 LastUpdate: 2019-03-30
• Signal Guard Free (4@2,149) Ǥ 21 5 / Signal Guard Pro (4.9@14; ~EUR 5.25) 17 1
• Tower Collector (4@305) Ǥ 13 1 Github; contributes to OpenCellID and Mozilla; IzzyOnDroid recommendation (F-Droid version)
• SSA Outdoor RF Signal Tracker (4@256) Ǥ 16
• Mobile Cell Check(Network Cell Info) (3.9@76) 6
• inViu OpenCellID (3.8@362) 9 LastUpdate: 2016-11-06 records cell towers incl. coordinates for open-source database, see OpenCellID (map) and in the Wiki
• NetMonitor Cell Signal Logging (3.7@1,666) 10 1
• Cellular Info (3.6@37) Ǥ 12 LastUpdate: 2019-12-02
• Cell Towers (3.4@4,249) Ǥ 11 5
• Signal Finder (3.4@3,883) 9 4
• CellMapper (3.4@2,239) Ǥ 13 1
• Antennas (3.2@4,223) 7 LastUpdate: 2012-05-15
• Network Signal Guru (3.2@3,362) Ǥ 11
• Cell Tower Locator (3.1@2,981) Ǥ 9 3
• SignalCheck Lite (3.1@1,089) 8 1 / SignalCheck Pro (4.1@856; ~EUR 3.00) 11 1
• RF Signal Tracker (3@2,258) Ǥ 14 4 LastUpdate: 2019-01-17
• 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:

• Dr. Network (4.3@350) Ǥ 10 2
• Deeps Network Utility (4.3@66) 8 3 LastUpdate: 2016-07-06
• GSM Signal Monitor & SIM Card Info (4.2@2,497) Ǥ 12 5
• Network Voice Alert! (4.1@231) Ǥ 12 2
• Signal Strength Warning (3.9@54) Ǥ 6 2

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:

IMSI Catcher

• Cell Spy Catcher (Anti Spy) (4.1@3,239) 9 2 LastUpdate: 2020-03-19 detect Stingray Cell Phone Trackers („IMSI catchers“)
• EAGLE Security FREE (4@10,162) Ǥ 12 4
• SnoopSnitch (3.7@3,788) 16 Intro 1/2015 | 4/2015 | 7/2019; Vorstellung 2015 | 4/2018 | 1/2020; Video Demo 11/2016; Mike’s favorite; detect Stingray Cell Phone Trackers and missing security patches