<s>
Tweetbot	B-Application
was	O
a	O
third-party	O
Twitter	B-Application
client	O
developed	O
for	O
iOS	B-Application
,	O
iPadOS	B-Operating_System
,	O
and	O
macOS	B-Application
created	O
by	O
Tapbots	O
LLC	O
.	O
</s>
<s>
It	O
was	O
discontinued	O
and	O
removed	O
from	O
the	O
App	B-Application
Store	I-Application
on	O
January	O
19	O
,	O
2023	O
,	O
following	O
a	O
decision	O
made	O
by	O
Twitter	B-Application
to	O
prohibit	O
third-party	O
apps	O
from	O
its	O
API	B-Application
.	O
</s>
<s>
Tweetbot	B-Application
was	O
initially	O
released	O
on	O
April	O
14	O
,	O
2011	O
,	O
by	O
Tapbots	O
on	O
the	O
App	B-Application
Store	I-Application
.	O
</s>
<s>
Features	O
have	O
been	O
added	O
to	O
the	O
program	O
over	O
time	O
,	O
including	O
multiple	O
account	O
switching	O
,	O
in-timeline	O
viewing	O
of	O
images	O
and	O
YouTube	B-General_Concept
video	I-General_Concept
thumbnails	O
,	O
push	B-General_Concept
notifications	I-General_Concept
,	O
and	O
the	O
ability	O
to	O
mute	O
certain	O
users	O
and	O
topics	O
in	O
the	O
timeline	O
view	O
temporarily	O
.	O
</s>
<s>
Customization	O
of	O
two	O
tabs	O
is	O
also	O
available	O
in	O
the	O
application	O
,	O
and	O
updates	O
after	O
the	O
release	O
of	O
iOS	B-Application
5	O
have	O
added	O
other	O
features	O
such	O
as	O
left	O
and	O
right	O
swiping	O
of	O
a	O
Twitter	B-Application
message	O
to	O
follow	O
individual	O
conversation	O
threads	O
.	O
</s>
<s>
The	O
app	O
's	O
slogan	O
is	O
"	O
A	O
Twitter	B-Application
client	O
with	O
personality	O
"	O
,	O
which	O
is	O
meant	O
to	O
emulate	O
a	O
friendly	O
robot	O
,	O
as	O
the	O
Tapbots	O
 '	O
other	O
programs	O
do	O
.	O
</s>
<s>
The	O
program	O
also	O
has	O
universal	O
syncing	O
through	O
iCloud	B-Application
,	O
allowing	O
for	O
bookmarking	O
between	O
the	O
iPhone	O
,	O
iPad	O
and	O
Mac	O
clients	O
.	O
</s>
<s>
On	O
June	O
11	O
,	O
2012	O
,	O
Tapbots	O
announced	O
the	O
launch	O
of	O
an	O
alpha	O
version	O
of	O
Tweetbot	B-Application
for	O
Mac	O
.	O
</s>
<s>
Since	O
October	O
18	O
,	O
2012	O
,	O
the	O
final	O
version	O
is	O
available	O
in	O
the	O
Mac	O
App	B-Application
Store	I-Application
,	O
which	O
includes	O
all	O
features	O
of	O
the	O
iOS	B-Application
version	O
.	O
</s>
<s>
Subsequently	O
,	O
on	O
October	O
3	O
,	O
2012	O
,	O
a	O
sister	O
app	O
featuring	O
most	O
of	O
the	O
features	O
of	O
Tweetbot	B-Application
,	O
Netbot	O
,	O
was	O
released	O
by	O
Tapbots	O
for	O
the	O
paid	O
Twitter	B-Application
competitor	O
App.net	O
.	O
</s>
<s>
The	O
notable	O
update	O
in	O
this	O
version	O
was	O
a	O
tweaked	O
user	B-Application
interface	I-Application
,	O
modifying	O
the	O
design	O
of	O
icons	O
and	O
buttons	O
.	O
</s>
<s>
On	O
February	O
4	O
,	O
2013	O
,	O
Tapbots	O
released	O
version	O
2.7	O
of	O
Tweetbot	B-Application
.	O
</s>
<s>
Added	O
features	O
include	O
support	O
for	O
inline	O
viewing	O
of	O
Vine	B-Application
video	I-Application
clips	O
as	O
well	O
as	O
options	O
to	O
set	O
a	O
default	O
browser	O
for	O
external	O
links	O
.	O
</s>
<s>
On	O
October	O
17	O
,	O
2013	O
,	O
Tapbots	O
submitted	O
version	O
3.0	O
of	O
Tweetbot	B-Application
to	O
the	O
App	B-Application
Store	I-Application
team	O
for	O
review	O
.	O
</s>
<s>
Version	O
3.0	O
is	O
an	O
update	O
to	O
match	O
the	O
new	O
design	O
of	O
iOS	B-Application
7	O
.	O
</s>
<s>
On	O
July	O
1	O
,	O
2014	O
,	O
Tapbots	O
updated	O
Tweetbot	B-Application
to	O
version	O
1.6	O
for	O
Mac	O
,	O
introducing	O
multiple	O
image	O
upload	O
feature	O
and	O
fixed	O
other	O
minor	O
bugs	O
.	O
</s>
<s>
On	O
June	O
4	O
,	O
2015	O
,	O
Tapbots	O
announced	O
Tweetbot	B-Application
2.0	O
for	O
Mac	O
.	O
</s>
<s>
The	O
update	O
introduced	O
a	O
new	O
look	O
to	O
match	O
the	O
aesthetic	O
of	O
OS	B-Device
X	I-Device
Yosemite	I-Device
and	O
a	O
new	O
starting	O
price	O
.	O
</s>
<s>
On	O
October	O
1	O
,	O
2015	O
,	O
Tapbots	O
released	O
version	O
4.0	O
of	O
Tweetbot	B-Application
.	O
</s>
<s>
Added	O
features	O
include	O
iPad	O
support	O
,	O
landscape	O
support	O
for	O
iPhone	O
and	O
iPad	O
,	O
new	O
statistics	O
and	O
activity	O
view	O
,	O
new	O
column	O
view	O
in	O
landscape	O
on	O
iPad	O
and	O
iPhone	O
6	O
Plus	O
,	O
split	O
view	O
multi-tasking	O
on	O
iPad	O
,	O
quick	O
reply	O
from	O
notifications	O
,	O
Safari	O
view	O
controller	O
with	O
content	O
blocker	O
support	O
,	O
and	O
a	O
new	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
Tweetbot	B-Application
4	O
also	O
improved	O
its	O
mute	O
filter	O
settings	O
,	O
status	O
details	O
,	O
user	O
profiles	O
,	O
and	O
optimizations	O
to	O
the	O
app	O
itself	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
application	O
that	O
requires	O
iOS	B-Application
9	O
on	O
the	O
device	O
.	O
</s>
<s>
On	O
November	O
3	O
,	O
2015	O
,	O
Tweetbot	B-Application
4.1	O
was	O
released	O
by	O
Tapbots	O
.	O
</s>
<s>
On	O
May	O
16	O
,	O
2018	O
,	O
Tapbots	O
announced	O
Tweetbot	B-Application
3.0	O
for	O
Mac	O
.	O
</s>
<s>
The	O
update	O
introduced	O
a	O
new	O
look	O
and	O
Expandable	O
Sidebar	O
,	O
Night	B-General_Concept
Mode	I-General_Concept
,	O
and	O
automatic	O
playback	O
videos	O
and	O
GIF	O
media	O
.	O
</s>
<s>
On	O
January	O
26	O
,	O
2021	O
,	O
Tapbots	O
released	O
Tweetbot	B-Application
6	O
for	O
iOS	B-Application
and	O
iPad	O
.	O
</s>
<s>
The	O
update	O
features	O
new	O
themes	O
,	O
a	O
new	O
Direct	O
Message	O
Interface	O
,	O
a	O
new	O
San	O
Francisco	O
font	O
,	O
and	O
makes	O
Tweetbot	B-Application
a	O
subscription-based	O
app	O
.	O
</s>
<s>
The	O
app	O
is	O
free	O
on	O
the	O
iOS	B-Application
App	I-Application
Store	I-Application
and	O
includes	O
a	O
seven-day	O
free	O
trial	O
,	O
after	O
which	O
Tweetbot	B-Application
can	O
be	O
purchased	O
by	O
a	O
monthly	O
or	O
yearly	O
subscription	O
.	O
</s>
<s>
On	O
January	O
4	O
,	O
2022	O
,	O
Tapbots	O
released	O
Tweetbot	B-Application
6.8	O
for	O
iOS	B-Application
.	O
</s>
<s>
On	O
January	O
12	O
,	O
2023	O
,	O
at	O
approximately	O
10:30	O
p.m.	O
EDT	O
,	O
Tweetbot	B-Application
—	O
along	O
with	O
several	O
other	O
Twitter	B-Application
clients	O
—	O
stopped	O
functioning	O
.	O
</s>
<s>
Internal	O
documents	O
obtained	O
by	O
The	O
Information	O
show	O
that	O
the	O
outage	O
was	O
an	O
intentional	O
decision	O
by	O
Twitter	B-Application
.	O
</s>
<s>
Three	O
days	O
later	O
,	O
Tweetbot	B-Application
switched	O
out	O
its	O
API	B-Application
keys	O
for	O
new	O
ones	O
,	O
bypassing	O
Twitter	B-Application
's	O
restrictions	O
,	O
albeit	O
with	O
lower	O
usage	O
limits	O
.	O
</s>
<s>
Twitter	B-Application
then	O
revoked	O
these	O
API	B-Application
keys	O
several	O
hours	O
later	O
.	O
</s>
<s>
On	O
January	O
19	O
,	O
2023	O
,	O
the	O
app	O
was	O
discontinued	O
to	O
comply	O
with	O
new	O
Twitter	B-Application
API	B-Application
restrictions	O
that	O
prohibit	O
the	O
creation	O
and	O
availability	O
of	O
third-party	O
clients	O
based	O
around	O
it	O
.	O
</s>
<s>
Tapbots	O
subsequently	O
announced	O
a	O
beta	O
version	O
of	O
a	O
Mastodon	B-Application
client	O
known	O
as	O
Ivory	O
.	O
</s>
<s>
PC	O
Magazine	O
praised	O
it	O
for	O
design	O
and	O
customization	O
,	O
but	O
criticized	O
the	O
lack	O
of	O
support	O
for	O
multiple	O
Twitter	B-Application
accounts	I-Application
,	O
an	O
issue	O
that	O
was	O
addressed	O
in	O
later	O
versions	O
.	O
</s>
<s>
Mac	O
Stories	O
called	O
it	O
"	O
excellent	O
"	O
,	O
the	O
reviewer	O
's	O
favorite	O
Twitter	B-Application
client	O
.	O
</s>
