Opensignal is a free to use ad-free mobile connectivity and network signal speed test app.
+ The signal compass tells you the direction the signal is coming from, just walk towards it!
+ The WiFi map allows you to easily locate nearby public networks.
+ Coverage maps allow you to see the best / worst places for the signal.
+ NetworkRank shows which operator is the best in your area.
+ See local cell towers.
+ Free and without advertising
+ Help improve our collaborative and unbiased maps by contributing data.
+ Share your findings and compare your connection with other users.
+ View your history of signal readings.
+ upload, download and latency test
+ Save your data to SD card.
+ Signal booster for compatible phones
Supported Android
(4.1 and up)
Jelly Bean (4.1 - 4.3.1),KitKat (4.4 - 4.4.4),Lollipop (5.0 - 5.1.1),Marshmallow (6.0 - 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)