No, Instagram is not limited to mobile devices only. While Instagram started as a mobile-focused platform, it is now accessible through various devices and platforms. You can access Instagram using a web browser on your computer by visiting the official Instagram website. However, certain features and functionalities may be optimized for mobile devices, and the full range of capabilities may not be available on the web version. Nevertheless, you can still browse and interact with Instagram content, view profiles, and engage with posts through the web version.