Google's newest messaging app Allo is rolling out to the tech market today for Android and iOS smartphones.

Google announced early this year, in an annual I/O developer conference for the new two apps, Google Duo and Google Allo. The former is already made available to the public and the latter app is the app market today available for download and reaching the users by end of the week.

Google's new app is competing with the current ruling apps like Facebook Messenger, WhatsApp, WeChat and Apple's iMessage.

Google expects a nicest feedback from Allo users. Unlike Google's current messaging app, Hangouts, Allo lets user to chat with Google itself via its new Google Assistant along with the addition to chatting with individuals and groups.

Google Assistant allows user to ask Google questions and get replies within the app itself. It's also smart enough to see what user is talking about with friends and provide relevant recommendations without prompting.

Google's Allo is purely a mobile messaging app same as Whatsapp and WeChat which uses end-end encryption for security purposes. Allo can be initiated based on mobile phone number to create an account to enjoy the chatting experience on Google's new app.

Allo automatically detects the contact list holding the same app and allows user to start chat with the detected contact list. Allo has also the capability to detect contact list not holding the Allo app and allows user to chat with those contacts. Allo also offers group chats. Allo's stickers are particularly interesting, as well-known artists created them with a little help from Google.

During user's conversations with friends (or the Google Assistant) Allo offers "smart reply" suggestions that user can tap on.

According to USA Today, incognito mode is incorporated to encrypt private messages with expiration period set from five seconds to one week by the sender. Google claims that Allo will get smarter with much more suggestions from Google assistant which shows the user a promising future.