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Cell Signal

Monitoring & Mapping

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

• Brigitel (5@264) Ǥ 13 2 LastUpdate: 2021-03-19
• Mobile Cell Check (5@80) 6 LastUpdate: 2021-02-14
• Cellular Info (5@37) Ǥ 12 LastUpdate: 2019-12-02
• Cell Tower Radar (5@2) Ǥ 9 3 Github
• Network Survey (4.5@8) 18 2 / Network Survey+ (0@0) 10 Github / Github; advanced version (root needed)
• Phone signal information (4.4@2,723) 6
• Signal Guard Free (4.4@2,168) Ǥ 21 5 LastUpdate: 2020-04-26 / Signal Guard Pro (4.2@338; ~EUR 5.25) Ǥ 20
• Tower Collector (4.4@346) Ǥ 14 1 Github; contributes to OpenCellID and Mozilla; IzzyOnDroid recommendation (F-Droid version)
• Network Signal Guru (4.3@3,819) Ǥ 10
• Opensignal - 5G, 4G Speed Test (4.2@438,625) Ǥ 12 2 Wikipedia
• Network Monitor (4.2@523) 8 LastUpdate: 2019-08-11 Github; Intro 10/2016
• RF Mobile Trace (4.2@63) Ǥ 18 6
• Network Cell Info Lite & Wifi (4.1@76,907) Ǥ 18 6 / Network Cell Info & Wifi (3.9@10,795; ~EUR 2.25) Ǥ 13 4 Video Intro 6/2018; can export collected cells to MLS, OpenCellId – but also to KML
• Netmonitor (4.1@17,033) Ǥ 16 6
• NetMonster (4.1@6,527) Ǥ 14 2
• LTE Discovery (5G NR) (4@23,317) Ǥ 29 4
• G-MoN (4@4,984) Ǥ 13 5 LastUpdate: 2020-03-28
• Cellular-Z (4@1,843) 19 cell, WiFi, location
• NetMonitor Cell Signal Logging (4@1,840) 10 1 LastUpdate: 2021-02-10
• NoGa Cell 2G 3G 4G (4@95) Ǥ 16 11
• Coverage - Cell and WiFi Test (3.8@49,241) Ǥ 17 1
• Cell Signal Monitor (3.8@5,749) 9 3
• Cell Tower Locator (3.8@3,548) 9 2
• CellMapper (3.8@2,586) Ǥ 13 1
• Network Signal Info (3.6@43,500) Ǥ 18 11 / Network Signal Info Pro (3.7@6,468; ~EUR 4.50) Ǥ 15 1
• Antennas (3.6@4,287) 7 LastUpdate: 2012-05-15
• Signal Finder (3.6@3,926) Ǥ 9 4
• inViu OpenCellID (3.6@363) 8 LastUpdate: 2016-11-06 records cell towers incl. coordinates for open-source database, see OpenCellID (map) and in the Wiki
• Cell Towers (3.5@4,385) Ǥ 11 5
• AeroConn - network monitoring (3.5@1,034) 8 1 LastUpdate: 2019-06-14
• Rx Monitor (3.4@330) Ǥ 12 2
• SignalCheck Lite (2.8@1,122) 8 1 LastUpdate: 2020-11-02 / SignalCheck Pro (3@888; ~EUR 3.50) 11
• SSA Outdoor RF Signal Tracker (2.7@293) Ǥ 16 LastUpdate: 2021-06-12
• RF Signal Tracker (2.4@2,299) Ǥ 14 4 LastUpdate: 2019-01-17
• CellReader (0@0; ~EUR 1.00) 7 1 Github
• 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@355) 9 2
• GSM Signal Monitor & SIM Info (3.6@2,913) Ǥ 12 5
• Network Voice Alert! (2@235) 9
• Lost the signal warning (1@54) Ǥ 6 2 LastUpdate: 2020-11-26

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@3,418) 9 2 LastUpdate: 2020-03-19 detect Stingray Cell Phone Trackers („IMSI catchers“)
• SnoopSnitch (3.5@3,926) 16 Intro 7/2019; Vorstellung 4/2018 | 1/2020; Video Demo 11/2016; Mike’s favorite; detect Stingray Cell Phone Trackers and missing security patches