Whir alternatives

Mitter helps businesses build web and mobile messaging solutions. For example, it can create a customised version of WhatsApp for service support, sales and feedback, among other things, in a few weeks’ time. “We build chat technology, which is difficult to create.

Dialup is a voice-chat app that connects you serendipitously to the people you want to stay in touch with. Try it for free on iOS or Android.