What is WhatsApp? The ultimate guide to getting started

WhatsApp logo

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Since the internet first arrived in the mid-’90s, there have been lots of messaging apps. AOL, Yahoo, MSN, ICQ, and the various Google incarnations, to name just a few. Then things got ramped up a notch with Skype introducing VoIP (Voice over Internet Protocol), which finally allowed you to ditch landline phones for good and do your international calling for a fraction of the cost.

These days, you now have audio and video messaging apps such as Skype, Zoom, Signal, and Telegram. But as far as worldwide dominance goes, nothing is able to remotely touch the Facebook-owned WhatsApp. It has two billion active users worldwide, and one hundred million messages are sent every day. To put it into context, the population of the United States is 334 million, so you’re talking about six United States populations actively using WhatsApp. So if you’re not on it yet, you’re late to the party.

Read also: WhatsApp not working? Here are ten easy fixes you can try

What is WhatsApp, and how does it work?

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Who can use WhatsApp?

Girl looking at her phone

WhatsApp says you must be at least 13 years old to register for a WhatsApp account, and for some reason, you have to be at least 16 years old in the European Union. Anyone under those ages can have their accounts disabled if WhatsApp finds out about you.

Besides that, anyone can use WhatsApp, provided they adhere to the terms of service, and not use the platform for spam or criminal activities. However, some countries may block access — either permanently or temporarily — to WhatsApp for their citizens, such as China, North Korea, and Iran. This, of course, can change anytime, depending on the political situation in any given country. But saying that, you may be able to access WhatsApp in these countries via a VPN app.

As well as individuals, small businesses can also use a WhatsApp Business version, and larger companies can apply for the WhatsApp Business API. WhatsApp Business is a slightly modified version to allow companies to keep in touch with their customers on the platform and publish a catalog of their goods and services.

Who owns WhatsApp?

Facebook logo
Brian Acton and Jan Koum created WhatsApp after leaving their jobs at Yahoo in 2009. With a staff of just 50, they gradually built up WhatsApp into a serious contender against heavyweights such as Facebook Messenger and Skype.

Of course, this meant that they were soon on Mark Zuckerberg’s radar, and in 2014, Facebook bought WhatsApp for an eye-watering $19 billion. Despite Facebook’s initial promises of WhatsApp remaining an independent company, it was gradually brought more and more into the Facebook ecosystem, and Acton and Koum subsequently left the company.

Is WhatsApp free?

three people sitting in front of a window on their phones

Yes, WhatsApp is free to use, regardless of the platform. You will only encounter a cost if you decide to use the WhatsApp Business API. Connecting the API to your preferred business communication platform will incur costs. Other than that, WhatsApp is free of charge.

Why is WhatsApp so popular?

A photo of a text messaging app

There are so many reasons why WhatsApp is popular, and if you asked users, they would likely tell you about their favorite feature. But what made WhatsApp the breakthrough app when it first started was that it pretty much killed regular SMS. Obviously, we still have SMS today, but it’s a radically much better version than it used to be.

Phone carriers used to look upon SMS as their milk cow, and some charged exorbitant rates for a single SMS message. Message characters were counted, sending photos cost more, and monthly SMS messages were strictly capped. Phone carriers did it because they knew they could. They knew there were no serious competitors to upset the apple cart.

But then WhatsApp came along, and suddenly you could send uncapped messages and multimedia for free, regardless of the length of the message. That was when the phone carriers realized the good old days were over. Now, phone companies are offering bundles of free SMS messages every month with customer tariffs.

What are the pros and cons of WhatsApp?

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The pros and cons of WhatsApp are numerous, and we’ll be covering a lot of the features here that make WhatsApp popular. But the main pro is that you are identified on WhatsApp by your phone number. This means that if you are in someone’s phone contact book, you are also in their WhatsApp contact list (assuming you all use WhatsApp). There are no usernames to remember, no profile URLs to click. If you know the phone number, you know how to get in touch.

The main downside is that it is a Facebook-owned company, and despite the platform being encrypted, there are still privacy concerns (see the next section for this.) The other con is that you can’t use the same WhatsApp phone number on two or more phones. So if you have multiple devices and wish to use WhatsApp on each phone, you need to either get separate SIM cards or use a not-so-elegant workaround.

Is WhatsApp safe and private?

Encryption security

In these privacy-focused times, the main concern turns naturally to whether or not WhatsApp can be trusted with our chats and media attachments. Our own Calvin Wankhede has written a great guide on the end-to-end encryption installed on WhatsApp.

The main thing to remember at the end of the day is to exercise caution. Don’t reveal sensitive information and media on WhatsApp. If you use it for general chatting, you’ll be fine.

What are WhatsApp’s main features?


The main feature of WhatsApp is obviously its messaging function. There are two features that may give users cause for concern on the privacy front. But both features can be switched off if you feel you don’t need them.

whatsapp two blue checkmarks

The first is the checkmarks that get added to each message. One tick means the message has been sent, and two ticks mean the message has arrived with the recipient. Both of these are obviously harmless. But when the recipient reads the message, those two ticks turn blue. If you don’t want anyone to know you’re reading those messages, then those blue ticks are a dead giveaway.

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The second is under the username, where your contacts can see the last time you logged onto WhatsApp. Again, this may be something you don’t want anyone to know. But as we said, you can easily switch this off in the settings.

whatsapp desktop star message

There is also a bookmarking system (of sorts), where you can save important messages for easy access later. Simply select the message and “star” it. You can then go to a separate area of WhatsApp to view your starred messages.

whatsapp iphone archive slider

Finally, of course, you can clean up your messaging inbox by archiving old and unneeded messages. If you need any of them again in the future, they can be brought out of the archive and back into the inbox.

Group chats

whatsapp mobile group link

WhatsApp isn’t only for one-to-one chats. You can also bring in up to 256 people to chat in one place as well. Setting up a WhatsApp group is as simple as choosing participants from your contact list, selecting a group name, and off you go.

Opening them up and closing them down is so easy and fast that you can effortlessly start one to organize spontaneous special events. Or if you want to say start up a community, you can publicize a joining URL that people can click to enter your group.

Video calls

The third tier of the WhatsApp platform is video calls. If both you and the person you want to call are on WhatsApp, you can make free unlimited video calls to one another, regardless of country. You can even make group video calls. Although, if you’re on a strictly capped internet data plan, you may want to toggle the WhatsApp setting that restricts how much data these calls use up.

What else can you do with WhatsApp?

You’d be mistaken if you thought that calling and texting are the only things WhatsApp has to offer. There are also other useful features you should use if you decide to jump on the WhatsApp bandwagon.

Share images, video & documents

whatsapp picture attachment

As we start to take more photos and video clips with our phones, being able to instantly transfer them to someone via WhatsApp becomes invaluable. Obviously, other platforms such as Skype were doing this first — WhatsApp is hardly the trailblazer in this area. But as we move more towards talking to everyone we know on WhatsApp, being able to send and receive files from everyone on the same platform — and then if necessary, forward those files on to other WhatsApp contacts — becomes ever more convenient.

whatsapp disappearing messages warning

Some people might view disappearing messages as the answer to their privacy concerns. Send a message then watch it self-destruct in five seconds once it’s been read. But as we explained in our article on disappearing messages, it isn’t a foolproof method of wiping messages. You should instead use it as a kind of auto-wiping feature to keep your inbox neat and tidy.

Voice messages

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Voice messages are another useful feature, especially if you’re rushing about and you don’t have time to stop and type messages. Just start the recorder and let your voice do all the work. WhatsApp only holds onto the recordings until the recipient comes on to WhatsApp and listens to them — or 30 days — whichever comes first.

You can also download WhatsApp voice messages to your device or desktop computer as OGG audio files.

Share location

WhatsApp location sharing

Even though many WhatsApp users may be focused on their privacy, there are still many extremely useful scenarios where sharing your location can be a lifesaver. You could be lost and need directions from a friend who lives locally? Or perhaps you want to track the current live location of your child? A couple of taps in WhatsApp, and your contact gets an updating map of which direction you’re heading in.

Create poll

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Finally, who doesn’t love being asked their opinion? If you want to question the hive mind and get a snapshot of which way the prevailing mood is blowing, then why not create a WhatsApp poll?

WhatsApp doesn’t provide this officially, but third-party apps and platforms do. Eventually, WhatsApp will come up with something themselves.

How to backup and transfer WhatsApp

whatsapp android restoring messages

Can you customize WhatsApp?

There are not a lot of customization options for WhatsApp. The only three are the background wallpaper, changing your status, and adding a profile picture.

android whatsapp choose wallpaper

By changing the wallpaper, you can either choose one of the preinstalled wallpapers in WhatsApp or upload an image from your Photos app.

whatsapp desktop profile picture change

Adding a profile image is the easiest way to personalize your account and give your contacts an easy way to pick you out of a crowded contact list.

whatsapp mobile status sticker position

Creating a status is very similar to Instagram Stories, although not as advanced. You can upload an image or video clip, add text, and have it next to your username for 24 hours.

Other similar messaging apps to WhatsApp

WhatsApp is obviously not the only messaging app on the block. If for any reason WhatsApp doesn’t appeal to you, consider using one of the following.

Signal Private Messenger screenshot 2021 2

The free Signal app is highly regarded as the best secure messaging app currently in existence, having been endorsed by the likes of Edward Snowden. It’s much more secure than WhatsApp because Signal holds no data on their users, so they have nothing to give to law enforcement if they come knocking with a warrant.

telegram russia samsung best encrypted private messenger apps for android

Another alternative is Telegram, although concerns have been raised in the past about how secure it is. User data such as IP addresses are logged, which might concern some if they live in an authoritarian country and don’t wish to be tracked.

Can you make your own stickers on WhatsApp?

Can you make payments to your contacts on WhatsApp?

As of December 2021, WhatsApp is trialing a payment system called Novi to a limited number of its US users. It uses a new cryptocurrency called Pax Dollars, which are pegged to the actual value of real US dollars. There’s no word yet on when or if Novi will come to WhatsApp users in the rest of the world.

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