Yahoo Messenger vs iMessage

Yahoo Messenger
Yahoo! Messenger is an instant messaging client and associated protocol provided by Yahoo!. Yahoo! Messenger offers PC-PC, PC-Phone and Phone-to-PC service, file transfers, webcam hosting, text messaging service, and chat rooms in various categories.
iMessage lets you send messages back and forth with anyone on iPad, iPhone, iPod touch, or a Mac. If you’re a texter, you’ll love Messages on iPhone, iPad, and iPod touch. Now they all come with iMessage, a service that’s an even better kind of texting. Because it’s free for you and anyone texting over Wi-Fi using an iOS device or Mac with iMessage.
Comparing Yahoo Messenger vs iMessage is like comparing apples to oranges. Because your business is unique and nobody except you can decide, which is better for your company. But we can add some fun to your research and suggest some new comparison parameters.

Ok, now let's compare the UI. Looks like iMessage has more user-friendly interface than Yahoo Messenger because it's bigger. At least on our screenshots

To compare the popularity of the solutions we counted how many alternatives people search for each of them on the Internet. And it turns out that iMessage is more popular than Yahoo Messenger

Now let's look at the recent activities of our competitors:

- Apple enters customer service arena with iOS Business Chat (in 2017)
- Yahoo Messenger becomes a mobile messenger (in 2015)
- iMessage and FaceTime get two-factor authentication (in 2015)
- Yahoo! MSN adds Mac IM interoperability (in 2006)
- Yahoo mulls new features for Messenger (in 2004)

Looks like Yahoo Messenger was recently more active than iMessage (at least in our news).