Technically, emojis and emoticons have distinct meanings - emojis refers to pictorial representations while emoticons use existing letters/symbols to convey an emotion. For example a smiley face emoji is 😃 while the smiley face emoticon is :).
Nevertheless, some people use the term "emojis" and "emoticons" as synonyms.
Here's one one of the most popular heart emoticons: <3
Some applications convert this heart emoticon into a heart emoji, while others let you use both the heart emoticon and heart emoji.
If you're looking for heart emojis, check out our collection of heart and love emojis.