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The Difference Between iMessage and Regular Text Messaging



If you just recently upgraded to an iPhone for the first time, you’re more than likely checking out all the new features and familiarizing yourself with the user interface and all the apps. It’s certainly foreign to you, but the nice thing about iOS is that it’s pretty easy to learn and get used to. However, there might be a few things that you’re still confused about — namely, the deal with the Messages app.

You might be asking what the heck is going on with the different colors in the Messages app; some of the conversations are blue, while others have a green theme. What’s the difference between the two? It’s quite simple, but it takes a bit of explaining to fully understand it all. Essentially, conversations in blue are iMessages, while conversations in green are regular text messages. To further explain the difference, we first need to understand what iMessage is.

iMessageWhat is iMessage?

iMessage is Apple’s own instant messaging service. It’s similar to any other instant messaging service that you use (like Google Hangouts, AIM or Yahoo Messenger), except iMessage is exclusive only to Apple products, and it’s built right into the device, as opposed to being a third-party app that you download. iMessage uses WiFi or your data connection (3G/4G) to send messages to other iOS users. It’s a lot faster than sending regular text messages through cellular and it doesn’t waste any of your text messages (if you have a limit each month, that is).

Furthermore, iMessage works between iOS and OS X, so you can send iMessages to Mac users from your iPhone, and it also works with iPads as well. Plus, the service syncs between all of your Apple devices, so if you get an iMessage from someone, a notification will pop up on all of your devices at once, and you can answer on any of your Apple devices.

What’s the Difference?

Before you had an iPhone, you were most likely text messaging friends and family the traditional way, where text messages are sent through cellular towers — the same way that phone calls are made. There’s certainly nothing wrong with this, but there are some downsides to traditional text messaging. First, it’s a lot slower to send and receive text messages; it takes a few seconds to send it, and then it takes around 10 or so seconds to get to the recipient. With iMessage, it’s almost instantaneous, just like an IM conversation on the computer.

Secondly, text messages are limited to 160 characters, while iMessages can be as long as they want. This usually isn’t a huge problem either way, but sometimes you need to type out a long story, and 160 characters just doesn’t cut it.


How Does iMessage Work?

iMessage is available for the iPhone, iPad or iPod touch running iOS 5 or later, as well as on Mac computers running OS X 10.8 Mountain Lion or later. With iMessage, you can register multiple emails so that friends and family can send you iMessages to any of the email addresses you have registered. Furthermore, iPhone users can have both their phone number and email addresses registered with iMessage. So for example, if I wanted to send an iMessage to an OS X user, I would send it to his registered email rather than a phone number.


When you’re sending an iMessage to someone and you enter in their phone number in the “To:” section, Apple will automatically check to see if the recipient has iMessage. If they do, it will seamlessly transition from SMS to iMessage by itself. Apple has recently veered away from the iMessage term and simply uses “Messages” as the name for the iMessage app on both iOS and OS X. However, the colloquial term for a message being sent through the service is called an “iMessage.”

At the end of the day, iMessage is an overall better messaging system than traditional text messaging; it’s faster and it seamlessly works across all Apple devices. While it does use up data if you’re out and about, it uses very little data, seeing how a single iMessage is merely bytes of data (compared to your monthly data allotment of 2 billion bytes per month, or 2GB on average, depending on your plan).



  1. ukandroid

    10/09/2013 at 1:55 pm

    Whilst an SMS message MAY take a few seconds under normal conditions, an SMS can take hours at times such as New Years Eve. The lack of reliability is why the emergency services never rely on SMS and use 2 way radio or pagers where there is confirmation of a timely receipt.

  2. CrashDancer

    11/16/2013 at 2:17 pm

    Ohhhh gotcha! This was very helpful. I just got my first iPhone today, and Im figuring everything out.

  3. kim

    01/13/2014 at 5:46 pm

    I just switched from an iphone to a windows phone and none of the texts I send are being replied to. After a few days, I realized that the responses were going to my old iphone, not the new phone. Could it be that the folks I text have me in their phone as an imessage contact and that is why they are getting the “can not be delivered” message? Do I need to alert everyone I text to make sure they send it as a text and not IM? It’s so confusing and a real pain. Of course, Verizon was no help at all.

  4. Sunshine

    02/11/2014 at 7:51 am

    I’ve wondered about the green and blue for years. But with iOS7 update, all of a sudden messages are no longer going through. My hb, who also has an iPhone, gets messages I sent weeks ago out of the blue, and lately messages I send do not go through. Since I cannot tell right away that the message is not delivered, it’s been very inconvenient. I basically cannot text him anymore. When I “resend the message,” sometimes I get the option of “message” or “text message.” Is there a way to turn this feature off or choose to send as a text message when composing it?

  5. Columbo

    03/01/2014 at 8:05 am

    My friends don’t receive my messages and I have no idea how to get rid if I messages. I never asked for I messages and don’t want them. Very annoying and no idea how to change over. Please help before I destroy my I phone

  6. smoochdog

    03/05/2014 at 7:05 pm

    @Sunshine I am having the exact same problem and as of yet I have not been able to find a good answer

  7. zee

    03/05/2014 at 9:41 pm

    I only have an iPhone 3gs so i don’t know if it applies to later versions, but turn off iMessage by going to Settings > Messages >iMessage

    Next to it is the option to turn on or off.

    Turn it off and you should get the ordinarly ‘green’ sms texts instead of the blue iMessage

    • cicibianca

      05/19/2014 at 3:27 pm

      Shouldn’t you leave it on but then turn on Send as SMS when iMessage is not available?

  8. Wheel

    03/09/2014 at 7:49 pm

    Settings….messaging….I message is the top setting….turn it on or off

  9. Margi

    03/26/2014 at 2:52 pm

    What does SMS stand for? What is it? How is it different from iMessage?

  10. Mona

    05/18/2014 at 2:26 pm

    Can you receive or send any text message through iMessage if you’re not connected to wifi? I mean does it require wifi at all times?

  11. Emma

    06/14/2014 at 5:14 pm

    I’ve been using iMessage for a long time but today even whilst I have wifi connection my tx are going as SMS and I don’t under stand why can any one help please

  12. Jim Beane

    08/05/2014 at 7:25 am

    My Apple 5s gives me a message of “not delivered” so I just go down to the bottom below where I typed the text and click on send as “text”

  13. Hashim

    10/25/2014 at 12:54 am

    I installed iOS 8 on the very day it released. Now my iPad 2 has got slower so can I get back yo iOS 7

  14. Nana Enimil

    04/25/2017 at 3:25 pm

    If the recipient is not on the apple ecosystem you cannot send him a text message using iMessage?

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