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
Franz is ideal for users seeking a unified messaging experience with a focus on customization and a wide array of integrations, while IM+ emphasizes user-friendliness and social media integration but offers fewer customization options. Both apps cater to users who need to manage multiple messaging platforms, but their approaches and user experiences differ significantly.