# iMessage | ![img \|150](https://upload.wikimedia.org/wikipedia/commons/5/56/IMessage_logo_%28Apple_Inc.%29.png) | **iMessage** is an instant messaging service developed by Apple Inc. and launched in 2011. iMessage functions exclusively on Apple platforms: macOS, iOS, iPadOS, and watchOS, part of Apple's broader strategy of vendor lock-in. | |-|-| | | wikipedia:: [IMessage](https://en.wikipedia.org/wiki/IMessage) |