<s>
Dolphin	B-Application
Browser	I-Application
is	O
a	O
web	B-Application
browser	I-Application
for	O
the	O
Android	B-Application
and	O
iOS	B-Application
operating	O
systems	O
developed	O
by	O
MoboTap	O
Inc	O
.	O
</s>
<s>
It	O
was	O
one	O
of	O
the	O
first	O
alternative	O
browsers	B-Application
for	O
the	O
Android	B-Application
platform	I-Application
that	O
introduced	O
support	O
for	O
multi-touch	B-Application
gestures	O
.	O
</s>
<s>
Dolphin	B-Application
Browser	I-Application
uses	O
its	O
native	O
platform	O
's	O
default	O
browser	B-Protocol
engine	I-Protocol
.	O
</s>
<s>
Dolphin	B-Application
Sonar	O
–	O
users	O
can	O
use	O
voice	O
to	O
search	O
,	O
share	O
and	O
navigate	O
.	O
</s>
<s>
Sync	O
–	O
across	O
devices	O
and	O
desktop	O
browsers	B-Application
using	O
a	O
Firefox	B-Application
or	O
Chrome	B-Application
extension	O
.	O
</s>
<s>
Both	O
iOS	B-Application
and	O
Android	B-Application
versions	I-Application
are	O
proprietary	B-Application
software	I-Application
and	O
are	O
distributed	O
for	O
free	O
.	O
</s>
<s>
There	O
is	O
an	O
advanced	O
version	O
called	O
Dolphin	B-Application
Browser	I-Application
for	O
Android	B-Application
2.0	I-Application
or	O
later	O
.	O
</s>
<s>
Dolphin	B-Application
Browser	I-Application
Beta	O
was	O
released	O
in	O
May	O
2012	O
with	O
the	O
in-house	O
HTML5	B-Application
engine	O
Jetpack	O
.	O
</s>
<s>
In	O
December	O
2013	O
,	O
Dolphin	B-Application
Zero	O
,	O
a	O
privacy-focused	O
version	O
,	O
was	O
released	O
.	O
</s>
<s>
In	O
October	O
2011	O
,	O
privacy	O
concerns	O
were	O
raised	O
about	O
Dolphin	B-Application
browser	I-Application
after	O
it	O
was	O
discovered	O
that	O
all	O
URLs	O
loaded	O
in	O
Dolphin	B-Application
HD	O
were	O
being	O
relayed	O
as	O
plain	O
text	O
to	O
a	O
remote	O
server	O
,	O
a	O
process	O
described	O
by	O
Ars	O
Technica	O
as	O
"	O
an	O
unambiguous	O
breach	O
of	O
privacy	O
"	O
.	O
</s>
<s>
Since	O
its	O
initial	O
release	O
for	O
Android	B-Application
,	O
Dolphin	B-Application
has	O
received	O
generally	O
positive	O
reviews	O
.	O
</s>
<s>
The	O
Android	B-Application
and	O
iOS	B-Application
versions	O
have	O
been	O
lauded	O
for	O
their	O
gesture-based	O
functionality	O
,	O
speed	O
and	O
ease-of-use	O
.	O
</s>
<s>
Business	O
Insider	O
claims	O
"	O
Dolphin	B-Application
Browser	I-Application
blows	O
Safari	O
out	O
of	O
the	O
water.	O
"	O
</s>
<s>
As	O
of	O
December	O
2021	O
,	O
the	O
browser	B-Application
holds	O
an	O
approval	O
rate	O
of	O
78%	O
on	O
rating	O
aggregator	O
site	O
Rouvou	O
.	O
</s>
