Top 11 Best Free Chat and Calling Apps on Android

Telegram is considered one of the most secure messaging apps today, on par with WhatsApp thanks to its use of the MTProto protocol. This tool also supports the advanced option of Secret Chat, with the ability to encrypt conversations. Thus, only the sender and receiver know the content of the conversation, with no third party involved. The app also helps users erase all traces immediately after the conversation ends. Alternatively, you can set automatic message deletion for conversations.

Not only does it work on phones, but you can also log in on computers, iPads to communicate, check previous message content, and more... This ensures that your activities on Telegram are uninterrupted, and you won't miss any messages. Telegram is a powerful messaging app on a large scale, allowing you to create chat groups with up to 200,000 members. Along with the ability to share videos, images,... up to 1GB in size. Conversations and exchanges become faster and more convenient than ever. Not only messaging and calling, but your conversations also become more interesting with a collection of fun, amusing stickers unique to Telegram. Designed to transmit data as efficiently as possible, allowing you to send messages, make calls even in weak Internet conditions, saving 3G/4G costs. Your data will be synchronized and stored in your Telegram cloud account. As a result, you can access previous files, videos,... that you sent, manage your access history on various devices. Protecting users' private data from third parties (advertisers, marketers,...) is one of Telegram's top priorities. Therefore, although this app is released for free, there are no ads, ensuring your information security.

If you are concerned about the security of messaging apps today, don't hesitate to download the Telegram app. The extremely high security combined with data synchronization across multiple devices,... and other features of the Telegram app will surely satisfy you.

Download link: https://play.google.com/store/apps/details?id=org.telegram.messenger&hl=vi&gl=US

Discord is a phone and computer chat app, for video or text messaging for free. It's designed to help people connect easily while gaming, and it's completely free. When using it, you can text or call other users directly, or join common servers (communities) to chat with people who share your interests.

Discord is often chosen by gamers for its simple, intuitive interface, and the chat channel will always be on when users are in a match. In addition, Discord is also optimized for user interface with a very friendly and easy-to-use interface. The gaming community will be organized into servers, allowing many members to participate. Within these servers, channels are organized for specific purposes. The right-hand panel displays the members in the server as well as who is online or playing which game. The central panel is mainly used for messaging or exchanging information between members. Discord supports communication in various forms such as chat channels, text messaging, or direct real-time voice chat channels, helping people connect quickly and conveniently. The app classifies members by roles with various custom colors. Each role will have certain permissions, assigned by the server owner. Classifying members by role helps manage the server more tightly and neatly, while also allowing notifications to be sent to specific role groups.

The Discord app supports all platforms of operating systems from phones like iOS or Android to computers like web apps, Linux, macOS, or Windows. Thanks to this, users can chat comfortably anywhere.

Download link: https://play.google.com/store/apps/details?id=com.discord&hl=vi&gl=US

WhatsApp is a cross-platform messaging and calling software via IP (VoIP) owned by Facebook. This app allows users to send text and voice messages, make voice and video calls, share images, documents, locations, and other utilities. With outstanding features, WhatsApp quickly attracts a large number of users worldwide. Simply connect to 4G or Wi-Fi to chat, send videos, images, and communicate internationally for free.

WhatsApp has the ability to integrate end-to-end encryption features in the app. This utility helps increase security so that they do not fall into the hands of malicious people. This is a prominent advantage of WhatsApp compared to other apps that ensure that only participants in the conversation can view it. WhatsApp supports users in making calls, talking with friends, family, even if they are abroad comfortably. Similar to messages, voice calls are also end-to-end encrypted. Therefore, WhatsApp or any other third party cannot listen to the user's conversation. When using WhatsApp, users do not need to pay any fees to install and use the application. Everything is done for free, which is why WhatsApp has attracted a large number of users worldwide. WhatsApp owns the feature to hide Last Seen to hide the last time users accessed. However, if you want to ensure privacy, users can disable this feature. Backup and restore messages, lock WhatsApp apps, message statistics feature on Android are considered special features on WhatsApp that help them can be able to statistics on message on the app, friends often contact, friends and groups operate most frequently in the day, ...

If in case users miss unread messages, WhatsApp will save them until the messages are read. This is a useful and convenient feature to support users not to miss messages. Additionally, WhatsApp has many guest features such as sharing location, contact address, customizing wallpapers, sound notifications,...

Download link: https://play.google.com/store/apps/details?id=com.whatsapp&hl=vi&gl=US

Signal is a free communication app that supports users to send and receive instant messages or make audio and video calls with HD images. The app also allows you to send private messages with high security features and is chosen by millions of people worldwide.

You can easily set a passcode to access the Signal app using the Android password, fingerprint, or Face ID on your device, preventing unauthorized access and reading of your messages. The app supports users to easily set up automatic screen lock waiting time. When sending important messages to someone, to avoid someone reading messages secretly, you can set automatic message cancellation time in the Signal App. After the time you set, the message will be automatically deleted, this feature also helps you save time deleting messages. You can set up the screen security feature to block message screenshots on Signal in the settings section. Enhance your security, privacy when using the app to chat. You can create contact groups on the Signal App and send messages, group chat easily, keep in touch with your family, friends, and colleagues. Instead of sending individual messages to each person, you can create contact groups and send notifications to many people at once to save time.

With the outstanding features of the Signal App, your messages will be more secure, you can easily set up message auto-deletion time. What are you waiting for, download the app and experience it today.

Download link: https://play.google.com/store/apps/details?id=org.thoughtcrime.securesms&hl=vi&gl=US

Messenger is a fast messaging app from Facebook, operating based on the MQTT protocol, a network protocol used to transport messages between devices. Since Messenger was completely separated from Facebook as an independent app, Facebook has continuously improved and expanded its capabilities. Messenger now can help us make free video calls like FaceTime, share current location with friends, send money, and many other features.

Recent companies have also started using Messenger to support customers, making this app an extremely effective daily information tool for many people around the world. Log in with phone number: You don't need to use Facebook to use Messenger. You can easily register and log in to this messaging tool using your phone number, even if you have already locked your Facebook account. Chat with strangers: Combined with Chatible, Messenger has introduced a feature to chat with strangers without revealing the identity of both people. Concerned about your information and conversations being eavesdropped, messenger provides users with an option to encrypt their conversations to ensure privacy. You can record short videos with a maximum duration of 15 seconds to send to friends, this feature is similar to what Snapchat used to do. Your task is to access the Camera on Messenger. Hold down the capture button to record video, and release it when finished recording. The latest feature from Messenger brings convenience to users, through linking with the bank wallet, you can quickly transfer your account to friends and vice versa. Currently, the money transfer feature is only available in some major countries such as the United States and European countries. The messaging app allows users to change the theme color as well as default emoji icons.

And more special is changing the nickname will make you more excited when using Messenger. If you feel annoyed by the phone ringing with message notifications in a series of chat groups, a few simple steps will set you free. There are many options to turn off notifications at specific times for you to choose.

Download link: https://play.google.com/store/apps/details?id=com.facebook.orca&hl=vi&gl=US

Snapchat is an image messaging app developed by a group of Stanford University students. When using this app, users can take photos, record videos, add text and drawings to them, and then send them to a list of recipients chosen by the sender. The images and videos sent are called Snaps. The special thing about Snapchat is that messages sent will disappear after 10 seconds once the recipient reads the message, and within the next 24 hours all previous information will disappear from the user's Snapchat wall.

Snapchat was developed with the purpose of allowing people to chat with each other for entertainment without worrying about what they have said. Information security is also very simple because messages and data only exist within 24 hours so users of the Snapchat app will not have to worry too much about their accounts being hacked and personal data lost. The self-destructing message feature on Snapchat may seem meaningless but for young people, especially Western youth, it is new and attractive, because they can send sensitive messages or images that they don't want anyone to see, a moment later it will disappear. According to a survey in the US in 2015, up to 41% of people aged 18 to 34 use Snapchat. For a social app, connecting with friends, relatives to exchange information, chat, and chat is essential, so Snap Inc has brought messaging feature into its app. In addition to normal messages, you can also send funny Bitmoji of the character you originally created. There is a lot of content from friends everywhere in the country, just a few touches you can discover unique content that others share on the page.

One feature you will definitely like when using Snapchat is messaging with friends while playing games. Sometimes the normal chat interface makes you bored, step into a new space that is playing games while chatting right on the interface of the game.

Download link: https://play.google.com/store/apps/details?id=com.snapchat.android&hl=vi&gl=US

WeChat is a messaging app developed by Tencent company released in 2011. Although born later than giants like Twitter, Facebook, Weibo,... WeChat quickly gained the top position as the most popular app in the populous country of China. Everything has its reason and WeChat's huge favor partly thanks to the essential integrated features of the daily life of the Chinese people. WeChat does not stop at messaging, calling, sending photos, videos like a normal social network but the integrated features access to information, transactions, shopping with simpler and more convenient operations than ever have made the number of WeChat users increase rapidly.

WeChat is considered a true super app. If in the US or Vietnam you have to use a lot of apps for each specific activity, in China you only need to download one app WeChat. This highlight quickly made WeChat become the top popular app in China in a short period of time. WeChat developers constantly improve and develop new features suitable for the needs of Chinese users. WeChat has special features such as integrating China's electronic identity system, optimizing the experience when paying bills, playing games, making doctor's appointments, ordering taxis, renting bicycles, buying food,... Everything becomes simple with just one app with WeChat. In addition to the basic features that any social networking app has such as messaging, calling, reading news, WeChat has unique features, good support for users such as sending location, red envelopes, business cards, and money transfer. Moreover, there is a discover section for you to scan QR codes, Shake, Games, Top Stories, and Search to update hot news of the day. Like other social networks, the feature of posting moments also appears on WeChat.

The mini games on WeChat are also extremely diverse and rich. The games are always updated and the hottest games always appear on WeChat for users to freely choose and use. And you can suggest a list of games for friends to play together to increase the attractiveness.

Download link: https://play.google.com/store/apps/details?id=com.tencent.mm&hl=vi&gl=US

Line is a free software application for communicating with everyone, anywhere on electronic devices such as smartphones, tablets, and laptops. Users can exchange text, images, videos, and audio, or conduct free text and video conversations. The Line app offers you many utilities, more than just a regular calling and messaging app. You can send photos with original quality to friends, share contacts, locations, or even play games with friends, create polls,... with one person or a group of up to 100 friends.

Line also allows you to share live video with a group of friends, share contacts so you can quickly share interesting activities daily. With these interesting features, Line will be very suitable for contacting friends, as well as colleagues in the company. Line's sticker and wallpaper store are truly unique and diverse, making users' conversations more vivid and creative experiences. Thousands of stickers with humorous, funny expressions of famous characters like Brown bear, Pony,... along with many unique interfaces, wallpapers on Line will surely amaze you. To own more stickers, wallpapers, you can buy them right on the Line app with points or coins (digital currency) you have. You can earn points by performing Line tasks or use money to buy them. Without needing a beauty app, you can also produce sparklingly beautiful photos with Line's versatile camera thanks to integrating many diverse photo filters, beauty modes,... The photo filter toolkit with beauty mode integrated right on the live stream player will make you more confident, not worrying even if you are sharing videos with your bare face.

With the advancement and improvement of the application, Line has enhanced the diversity of camera photo filters with images sent via links that are still sharp, helping users comfortably share photos via Line without worrying about broken images. Besides the interesting and useful features, Line is also relatively easy to set up for new users to choose from. If you are bored with apps like Messenger, Zalo, Telegram, Skype,... then Line will be a worthwhile choice to consider using.

Download link: https://play.google.com/store/apps/details?id=jp.naver.line.android&hl=vi&gl=US

Viber operates based on VoIP protocol, developed and launched by Viber Media in 2012. This application works on various devices such as phones, computers,... and operating systems such as MacOS, Android, iOS, Symbian OS, Windows Phone, Microsoft,...

Similar to Zalo or Facebook, in Vietnam, Viber is one of the most popular and widely used software. Like many other social platforms, Viber provides users with basic communication functions such as making calls, sending free messages over the Internet. Exchange photos, videos, audios quickly and conveniently. Viber cannot access your messages because they are encrypted end-to-end by default. This means that your entire group or private conversation is completely secure, helping only you and the conversing party to read or hear them. Fully control the messages you share, meaning that incorrectly composed or mistakenly sent messages can be edited or deleted even after the recipient has read them. Set auto-deletion timers for all messages in the chat. This means that once the message has been read, it will automatically be deleted from the Viber chat from all users. When starting a new conversation, you can use hidden chats to exchange safely, without revealing the phone number and information of both parties.

Viber understands that there are times when you don't want others to know when you've read their messages or when you're online, through privacy settings, the app has added the ability to turn both off. With the advantages and security of this application, it deserves to be a worthy candidate trusted by millions of users.

Download link: https://play.google.com/store/apps/details?id=com.viber.voip&hl=vi&gl=US

Zalo is an OTT application that allows users to message and call other users on mobile and computer platforms. As an application of VNG - a Vietnamese technology company, appeared on the market in 2012, Zalo has become a very popular application.

Zalo allows free messaging and calling within the Zalo user base, using internet connection. However, if you use roaming or run out of data, you will be charged. Therefore, Zalo encourages users to use WiFi as much as possible to avoid these charges. Free messaging with text messages, images, stickers, emojis, drawings,... Zalo can make free calls with voice and video calls, connect with other users through features like adding friends via phone number, username, user ID, suggesting friends based on location,... Share status with posts and moments. Transfer large data from one user to another, from one device to another. Support online teamwork with features like group chat, group video calls, task assignment. SMS messages will be the top choice in case you need urgent contact or you and your friend want to text without the Internet. However, with the current development trend, when everywhere you go has WiFi connection, using Zalo is a more worthy name than ever.

Because it's not just traditional text messaging, the content of messages when you send them with Zalo is extremely rich. Along with that are the extremely optimized features for your communication. High security is also one of the reasons Zalo is always at the top of the list for companies, agencies to exchange work online.

Download link: https://play.google.com/store/apps/details?id=com.zing.zalo&hl=vi&gl=US

Skype is a software that provides Voice over Internet Protocol (VoIP) services. It's an internet-based communication application that allows users to make calls to people worldwide via computer or phone and chat through text. With Skype, users can now make free calls to other Skype users anywhere, regardless of location or country.

Today, Skype has enhanced its features to meet user needs by integrating voice and instant messaging chat. In particular, the application has added the Video call feature, enabling users to chat face-to-face with friends and family for free. Whether you want to study together but face various obstacles, attend a friend's wedding while on a business trip abroad, or suddenly remember all your family members while studying far from home... Skype has got you covered. With Skype's group video calling feature, you can call up to 24 people simultaneously. If you're shy or not used to talking on camera and prefer voice calls, Skype meets that requirement too. You can call landlines or mobile phones at discounted rates with Skype's low call rates. This is a crucial feature for forgetful people; if you have a video meeting next week and are afraid you'll forget or miss it, simply schedule it on Skype, and it will remind you.

Whether you need to alert loved ones of urgent news, discuss travel plans with multiple friends, or present various topics, Skype can handle it all for you. With the diverse and superior features of the Skype application, are you ready to install and use it?

Download link: https://play.google.com/store/apps/details?id=com.skype.raider&hl=vi&gl=US