<s>
Opensignal	B-Application
is	O
an	O
independent	O
analytics	O
company	O
specialising	O
in	O
"	O
quantifying	O
the	O
mobile-network	O
experience	O
"	O
.	O
</s>
<s>
In	O
August	O
2014	O
,	O
Opensignal	B-Application
raised	O
a	O
$4	O
million	O
Series	O
A	O
investment	O
from	O
Qualcomm	O
Ventures	O
,	O
OATV	O
and	O
Passion	O
Capital	O
.	O
</s>
<s>
The	O
OpenSignal	B-Application
application	O
points	O
the	O
user	O
in	O
the	O
direction	O
of	O
better	O
phone	O
signal	O
,	O
measures	O
signal	O
strength	O
,	O
data	O
speed	O
and	O
reliability	O
,	O
and	O
displays	O
nearby	O
Wi-Fi	O
networks	O
.	O
</s>
<s>
Users	O
of	O
the	O
app	O
share	O
information	O
with	O
Opensignal	B-Application
,	O
which	O
is	O
used	O
in	O
their	O
independent	O
maps	O
of	O
carrier	O
coverage	O
and	O
NetworkRank	O
service	O
.	O
</s>
<s>
Opensignal	B-Application
NetworkRank	O
is	O
an	O
in-app	O
service	O
comparing	O
the	O
performance	O
of	O
different	O
cellular	O
carriers	O
in	O
particular	O
regions	O
.	O
</s>
<s>
The	O
information	O
used	O
is	O
provided	O
by	O
users	O
of	O
the	O
Opensignal	B-Application
application	O
.	O
</s>
<s>
Using	O
the	O
data	O
collected	O
from	O
the	O
Opensignal	B-Application
app	O
,	O
the	O
company	O
is	O
building	O
WifiMapper	O
,	O
an	O
app	O
for	O
finding	O
free	O
Wi‑Fi	O
hotspots	O
,	O
available	O
on	O
iOS	O
and	O
Android	O
.	O
</s>
<s>
Mobile	O
operators	O
use	O
different	O
methods	O
when	O
it	O
comes	O
to	O
compiling	O
their	O
coverage	O
maps	O
,	O
Opensignal	B-Application
standardises	O
this	O
process	O
by	O
using	O
crowdsourced	O
signal	O
data	O
from	O
their	O
users	O
to	O
measure	O
the	O
true	O
state	O
of	O
carrier	O
coverage	O
.	O
</s>
