<s>
Google	B-Device
Fit	I-Device
is	O
a	O
health-tracking	O
platform	O
developed	O
by	O
Google	B-Application
for	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
,	O
Wear	B-Application
OS	I-Application
and	O
Apple	O
Inc.	O
'	O
s	O
iOS	B-Application
.	O
</s>
<s>
It	O
is	O
a	O
single	O
set	O
of	O
APIs	B-Application
that	O
blends	O
data	O
from	O
multiple	O
apps	B-Application
and	O
devices	O
.	O
</s>
<s>
Google	B-Device
Fit	I-Device
uses	O
sensors	O
in	O
a	O
user	O
's	O
activity	B-Device
tracker	I-Device
or	O
mobile	B-Application
device	I-Application
to	O
record	O
physical	O
fitness	O
activities	O
(	O
such	O
as	O
walking	O
,	O
cycling	O
,	O
etc	O
.	O
</s>
<s>
Google	B-Device
Fit	I-Device
was	O
announced	O
at	O
the	B-Application
Google	I-Application
I/O	O
conference	O
on	O
June	O
25	O
,	O
2014	O
.	O
</s>
<s>
A	O
software	B-Application
development	I-Application
kit	I-Application
for	O
Google	B-Device
Fit	I-Device
was	O
released	O
on	O
August	O
7	O
,	O
2014	O
.	O
</s>
<s>
In	O
August	O
2018	O
,	O
Google	B-Application
announced	O
a	O
revamp	O
to	O
its	O
Android	B-Application
Fit	O
platform	O
which	O
adds	O
activity	O
goals	O
based	O
on	O
activity	O
recommendations	O
from	O
the	O
American	O
Heart	O
Association	O
and	O
the	O
World	O
Health	O
Organization	O
.	O
</s>
<s>
In	O
April	O
2019	O
,	O
Google	B-Application
announced	O
Google	B-Device
Fit	I-Device
for	O
iOS	B-Application
offering	O
similar	O
experience	O
to	O
its	O
Android	B-Application
counterpart	O
.	O
</s>
<s>
Google	B-Device
Fit	I-Device
for	O
iOS	B-Application
used	O
Apple	B-Application
Health	I-Application
,	O
Nike	O
Run	O
Club	O
,	O
Headspace	B-Application
or	O
connected	O
device	O
such	O
as	O
Apple	B-Device
Watch	I-Device
or	O
Wear	B-Application
OS	I-Application
smartwatch	O
connected	O
to	O
user	O
device	O
.	O
</s>
<s>
In	O
August	O
2019	O
,	O
Google	B-Application
announced	O
dark	O
theme	O
,	O
sleep	O
insights	O
and	O
workout	O
map	O
feature	O
availability	O
.	O
</s>
<s>
In	O
April	O
2020	O
,	O
Google	B-Application
redesigned	O
Google	B-Device
Fit	I-Device
.	O
</s>
<s>
In	O
November	O
2020	O
,	O
Google	B-Device
Fit	I-Device
added	O
iOS	B-Operating_System
14	I-Operating_System
widget	O
.	O
</s>
<s>
In	O
February	O
2021	O
,	O
Google	B-Application
announced	O
Pixel	B-Device
5	I-Device
exclusive	O
feature	O
for	O
Google	B-Device
Fit	I-Device
,	O
heart	O
rate	O
and	O
respiratory	O
measurement	O
using	O
Pixel	B-Device
5	I-Device
's	O
camera	O
.	O
</s>
<s>
In	O
June	O
2021	O
,	O
Google	B-Application
announced	O
support	O
for	O
paced	O
walking	O
.	O
</s>
<s>
Google	B-Application
announced	O
unmentioned	O
metrics	O
in	O
Google	B-Device
Fit	I-Device
to	O
be	O
deleted	O
within	O
30	O
days	O
.	O
</s>
<s>
Google	B-Device
Fit	I-Device
provides	O
a	O
single	O
set	O
of	O
APIs	B-Application
for	O
apps	B-Application
and	O
device	O
manufacturers	O
to	O
store	O
and	O
access	O
activity	O
data	O
from	O
fitness	O
apps	B-Application
and	O
sensors	O
on	O
Android	B-Application
and	O
other	O
devices	O
(	O
like	O
wearables	O
,	O
heart	O
rate	O
monitors	O
or	O
connected	O
scales	O
)	O
.	O
</s>
