<s>
TextFree	B-Protocol
(	O
formerly	O
called	O
Pinger	B-Protocol
and	O
sometimes	O
stylized	O
as	O
textfree	B-Protocol
)	O
is	O
a	O
mobile	B-Application
application	O
and	O
web	B-Application
service	O
that	O
allows	O
users	O
to	O
send	O
and	O
receive	O
text	O
messages	O
,	O
as	O
well	O
as	O
make	O
and	O
receive	O
VoIP	B-Application
phone	O
calls	O
,	O
for	O
free	O
over	O
the	O
internet	O
.	O
</s>
<s>
TextFree	B-Protocol
was	O
developed	O
by	O
American	O
telecommunications	O
provider	O
Pinger	B-Protocol
,	I-Protocol
Inc	I-Protocol
.	I-Protocol
</s>
<s>
TextFree	B-Protocol
states	O
on	O
its	O
website	O
that	O
it	O
has	O
more	O
than	O
130	O
million	O
users	O
(	O
as	O
of	O
September	O
2022	O
)	O
.	O
</s>
<s>
The	O
mobile	B-Application
app	O
runs	O
on	O
both	O
iOS	B-Application
and	O
Android	B-Application
devices	O
,	O
and	O
there	O
is	O
a	O
desktop	B-Device
version	O
available	O
for	O
download	O
on	O
macOS	B-Application
and	O
Windows	B-Application
.	O
</s>
<s>
Users	O
can	O
also	O
access	O
TextFree	B-Protocol
's	O
services	O
online	O
via	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
Competitors	O
include	O
GOGII	O
,	O
Optini	O
and	O
WhatsApp	B-Application
.	O
</s>
<s>
Moreover	O
,	O
Textfree	B-Protocol
has	O
a	O
web	B-Application
based	I-Application
version	O
of	O
its	O
application	O
that	O
allows	O
users	O
to	O
send	O
and	O
receive	O
text	O
messages	O
directly	O
from	O
computer	O
.	O
</s>
