IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc. Developed by SHAPE Services
License: Freemium
IM+ is a versatile messaging app that aggregates multiple platforms, making it suitable for users who want everything in one place. LINE, on the other hand, excels with its comprehensive set of features and large user base, particularly in Asia.