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10 Best VoIP apps for Android and iPhone in 2021

It’s no doubt that the technology around us is evolving at a rapid pace. Those days are gone when international calls used to be expensive. Well, international calls are still pretty expensive in 2021, but we now have VoIP Calling apps. VoIP is also known as IP telephony, and it’s basically a telephone connection over the internet.

The great thing about those apps is that they offer free international calls to any country. There are plenty of international VoIP calling apps available on the Google Play Store, but not all provide free services. Apart from voice and video calls, VoIP apps also offer chat features as well.

Best VoIP apps for Android and iPhone

This article will share a list of the best VoIP apps you can use on your Android smartphone. With these apps, you can make free international calls to any country. So, let’s check out the list of best apps to make free International Calls.

1. WhatsApp


WhatsApp is originally an instant messaging app known for its text messaging, voice, and video calling features. The great thing about WhatsApp is that it’s available for both Android and iOS devices. With WhatsApp, you can easily make voice and video calls to people worldwide for free. Want more? WhatsApp also allows users to share files, update status, send GIFs, etc. However, you need to have a working phone number to use WhatsApp.

2. Skype


Skype is by far the best and top-rated VoIP service available out there. You won’t believe it, but Skype has been around since 2003, and it’s still climbing the ladder of success. Like WhatsApp, Skype is also available for Android and iOS users, and it can be used for voice, video, and group calls. You can also apply to get a Skype number, which can contact someone outside of Skype.

3. FaceTime


Well, if you are using an iOS device, then you might be well aware of Facetime. For those who don’t know, Facetime is a free voice and video calling app for iPhone, iPad, iPod touch, and Mac. The app works like WhatsApp, where you call people by using mobile data. To contact friends through FaceTime, you will need the phone number or email ID associated with their Apple ID. The voice and video call quality are good, and it’s the best free voice and video calling app that you can use right now.

4. Viber


Viber is another best and top-rated VoIP service on the list specializing in free voice and video calls. The great thing about Viber is that it also provides users a personal phone number to call landlines and numbers outside Viber. To register with Viber, users need to have a valid phone number. Although Viber is not as popular as WhatsApp and Skype, it’s one of the capable contenders in the VoIP world.

5. IMO


Well, if you are searching for the best free and lightweight VoIP calling apps for your Android smartphone, then you need to give IMO a try. Guess what? With IMO, you can easily make voice/video calls, send messages, etc. The great thing about IMO is that it’s compatible with all networks like 2G, 3G, 4G, WiFi, etc., and the call quality is also pretty good.

6. Facebook Messenger

Facebook Messenger

Facebook Messenger is one of the best and top-rated instant messaging and video calling apps available out there. Like all other apps listed in the article, Messenger also lets you make voice and video calls over the internet connection. However, Facebook Messenger is full of bugs, and it’s pretty common to experience problems while connecting the calls.

7. Hangouts Dialer

Hangouts Dialer

It’s one of the unique phone number apps from Google that you can use on Android. It lets you call any phone number in the world without using your cell plan minutes. You won’t believe it, but most of the US and Canada calls are free on Hangouts Dialer. Apart from that, it also connects with your Google Voice number to make VOIP calls in the Hangouts app.

8. Signal


The signal is right now the best and most secure instant messaging app available for Android. It’s one of the best in its section, and it takes privacy very seriously. With Signal Private Messenger, you can easily exchange text messages, make voice & video calls, send disappearing messages, and more. The app is free, with no in-app purchases.

9. Zoiper IAX SIP VOIP Softphone

Zoiper IAX SIP VOIP Softphone

Well, Zoiper is searching for a simple app that provides superior audio quality for a smooth Voice over IP experience. It’s a free IAX and SIP softphone app for VOIP calls over 3G or WiFi. The app is entirely ad-free, and it perfectly fits for end users, service providers, call centers, or any other business.

10. Telegram


Telegram is another best VoIP apps for Android & iOS that you can consider. Compared to other instant messaging apps on the list, Telegram has more features. Telegram focuses more on providing you group-specific features like exchanging files up to 1.5GB in size. You can create groups with up to 200,000 members and more. Additionally, you can set up bots, polls, and quizzes for the group participants as well.

So, these are the best apps to make VoIP calling apps for free international calls. If you know any other such apps, let us know in the comment box below. I hope this article helped you! Please share it with your friends also.

This post was written by Amarnath Chakraborty and was first posted to TechViral

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