The apps are only for Apple devices: iMessage replaces SMS and sends messages and multimedia between two users via an Internet connection, which makes it free. FaceTime allows one-on-one video calling, much like Skype, and it now features voice calls for those with iOS 7.
https://thenextweb.com/apps/2013/10/18/best-mobile-messaging-apps/
Since Facebook is taking messaging out of its main app, you’ll need Messenger if you want to chat to people privately on your phone. Messenger includes text chat, group chat, photo/video sharing, and even stickers.
https://thenextweb.com/apps/2013/10/18/best-mobile-messaging-apps/
In order to send a text message to a phone via an email address, you'll need to know which carrier—e.g., Verizon, Sprint, T-Mobile, or AT&T—the phone uses. You sometimes can type the phone number into a computational search engine (e.g., WolframAlpha) to bring up information about the carrier.
https://www.wikihow.com/Text-Without-Showing-Your-Number
How to Text Without Showing Your Number. Three Methods: Using the TextNow App Using the Smiley Texting App Using an Email Account Community Q&A. This wikiHow teaches you how to send a text message without including your phone number. To do so, you can download and use a couple of different apps on your iPhone or Android. If you have an email address that doesn't use your real name or link to any of your social media information, you can send a text from your email address instead.
https://www.wikihow.com/Text-Without-Showing-Your-Number
India-based messaging app Nimbuzz brings the full package: video/voice calling, file sharing, chat messaging, games and support for a range of platforms. Users can also purchase Nimbuzz Out credits to use for calling landlines and mobile numbers.
https://thenextweb.com/apps/2013/10/18/best-mobile-messaging-apps/
Enter a phone number. Using the on-screen keypad, type in the phone number to which you want to send an anonymous text message. Your fake phone number will be selected for you.
https://www.wikihow.com/Text-Without-Showing-Your-Number
Kik is one of the few messaging apps that doesn’t require you to provide your phone number. Instead you simply pick a username, provide an email address and go from there. That easy sign-up process has made it popular across a range of devices — including iPods, tablets and other devices that don’t take SIM cards — and particularly popular among youngsters.
https://thenextweb.com/apps/2013/10/18/best-mobile-messaging-apps/
Updated: August 1, 2014. We’ve known for sometime that SMS is becoming passe for many smartphone owners worldwide. Sure, people still use it, but there are a slew of apps that go way beyond it, offering easy multimedia functions, group chats, video calls, gaming and much more. Beyond being SMS replacements, these apps are essentially ‘SMS+’ — to coin a phrase uttered to me recently by the founder of a messaging company.
https://thenextweb.com/apps/2013/10/18/best-mobile-messaging-apps/
22 of the best mobile messaging apps (both chatting and video-chatting apps)
https://thenextweb.com/apps/2013/10/18/best-mobile-messaging-apps/
How to Text Without Showing Your Number Three Methods: Using the TextNow App Using the Smiley Texting App Using an Email Account Community Q&A This wikiHow teaches you how to send a text message without including your phone number.
https://www.wikihow.com/Text-Without-Showing-Your-Number
what messaging app without phone number
Kik is one of the few messaging apps that doesn’t require you to provide your phone number.