WhatsApp is a cross-platform messenger and voice-over IP service for sending text and voice messages, making video and voice calls, as well as sharing images, documents, geolocations, and other media.
Go to WhatsAppTelegram is a cross-platform cloud-based messenger and voice-over IP service for texting, voice and video calling, sharing media and documents of any type without any limits on their type and size.
Go to TelegramMessenger is an all-in-one messing application and platform developed by Facebook Inc. for unlimited texting, voice and video calling, with synchronized messages and contacts to your phone and Instagram friends.
Go to MessengerViber is a cross-platform group messaging app that works on iOS, Android, Windows, Mac, and Linux. It allows users to send text messages as well as make audio and video calls.
Go to ViberSignal is a secure encrypted instant messaging app with features like one-to-one messages, group messages, voice calls, video calls, stickers, file transfers, etc.
Go to Signal