10 Best VoIP and SIP apps for Audio Calls | Android and Windows


Yes, we all want to save money on the phone bill and use a VOIP (Voice over IP address) app instead. Because using landline telephone all have to come to an end, thanks to this era new technologies where the price of making calls to people is reducing. Moreover, some VoIP applications even offer totally free real-time audio calls — any there is no reason not to use a VoIP app, they are fast, free, and work over the Internet.

So in this list, we’ve added the coolest VoIP apps to communicate with your friends, parents, and other peoples, some of them are totally free while some others are subscription-based. And probably we are the people of the era where we are taking a step to the day we do not have to pay for voice calls, and they will be held solely on data connections instead of using telecom’s wireless cell signals. All of the apps listed below providing free or cheap communication only using internet bandwidth. They work on internet data plans and wifi, although wifi is faster than typical telecom Internet services.

  1. Discord
  2. Messenger by Facebook
  3. Google Duo
  4. Viber
  5. Instagram
  1. Voca
  2. Skype
  3. Signal Private Messenger
  4. Google Meet

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Discord | Free / $4.99 per month

Discord is mostly used by Gamers for Voice chat purpose, but it does more than just group voice chat. You can add friends and talk to them and the voice quality is just super. With discord servers, all your friends can join and chat at once. What’s more important on Discord is that you get to fell amazing sound quality when you make a call to other users. Talking about Servers you can go upto 128KBPS audio without Nitro boost, But that is enough for most of the people.

Every popular streamer/gamers in India happen to have Discord servers, so you’re going to find new people with same interests. But that is completely optional.

Discord is so much popular that even I have a discord server. You can join. Obviously, I do not interact much, but yes we can listen to songs together. So if you are planning to make a discord server, you can play with some discord bots to make your server more enjoyable. Check out this article to learn how to add discord bots to your discord server. One more thing that this code is completely free we have to make sure that your friends have this app so you can talk to them anytime you want to — or just stay connected all the time.

Discord best VOIP app

Viber | person to person calls

One of the best VoIP app that is all time mentioned if we look for a quick solution to call friends or family. Viber got both, Viber-to-Viber calls are entirely free and works with an internet connection. Viber Out service let you make calls to people, and they don’t even need an internet connection at the time of the call, it makes calls to typical phone numbers. You can use Viber to make calls over the internet to your friends (no internet require) with the plan starting at 2 cents per minute, besides it depends on which country you call. Viber is also a cross-platform application ranging from Android to Windows. So the operating system is not a restriction here.

Update: Google Duo is the new release from Google that let you make a video and audio call free of cost, it works app-to-app with a Google account.

Google DUO | Video Quality | Google

Google debuted the “Duo” app for voice and video call. It’s looking promising, safe, fast and of course, it’s made by Google so the quality is amazing. It is available for Android and iOS. It scans the contacts of your phone to find who is using Google DUO and you can make calls for free. Mostly it is known for the quality it provides, the sound is high bitrate, just make sure both parties are using a fast internet connection.

To register, enter a phone number and the app verifies itself once it receives the OTP. Using and getting used to it is quite easy and this can be easily your favorite app to make video calls.

Final verdict: If you plan to make videos and voice calls and wants better quality, this is something you should use.

Google Hangout and Voice

Web-based, Android

The next addiction is google voice, which is a paid service that is similar to Viber’s out service. You can use this service through Google’s Hangout, that let’s you make calls from PC and Android. For convenience, there is a Hangout Dialer app for Android, which seamlessly can replace your default dialer. Calling from U.S. is totally free, and other countries call rate are cheap.

VOCA | Android and iOS

Keynote: Free voice to voca calls.

4. Messenger/ Instagram

[Windows, Android, iOS, MAC, Web]

Facebook’s Messenger app is standalone which is entirely focused on talking to your Facebook friends or anyone using Facebook messenger. Messengers allow making both audio and video call using a device’s microphone this makes it a best VOIP app for Android, which does not even cost anything but just Internet. Messenger is available on all major platforms, to use in a web browser directly log into messenger.com and you can make voice calls to friends or people using the messenger application. These calls are totally free and will be because Facebook is dedicated to providing such features helps people to connect to each other. Since Facebook is used worldwide, your friends may be already on Facebook, and this makes the message a must-have VoIP application. As it has a web version, so it works as free VoIP calls from PC and works over an Internet connection.

Instagram recently added the voice note and video calling, if you got all your friends on Instagram you can make videos calls effortlessly. Since the majority of smartphone users use Instagram – it’ll cut the time to install a specific VOIP app on both ends.


All Mobile operating system, web-app.

WhatsApp-to-WhatsApp free calls, anyone with a smartphone can connect using WhatsApp. Now it has end to end encryption. Hello nobody Need some introduction to WhatsApp and what-what This is capable for Now I want to mention that Not only you can chat with your friends using WhatsApp, but you can also use WhatsApp to make VIP Call To your friend of the family. Both people happen to have WhatsApp application installed on their smartphone.

So we do have two applications powered by Facebook that lets you make audio calls (VOIP calls) to your friends without paying any money or subscribing any costly plan like Viber and Skype.

Skype | Comes pre-installed in Windows

Works well on PC, Mobile, Tablet, XBox, TV.

Use Skype to call friends for free, however calling to typical phone numbers is a paid service. However, you can make video calls to other skype-app users for free. There is a dedicated app available for the Windows 10 which sometimes is pre-installed. It is available on all major devices.

Google Hangouts

Update: Google Hangout it tied up with Google Voice to be able to make Voice calls, yet it still has free video calls to other hangout users. Google Duo is a new release from Google that let you make video and audio call free of cost, and the app’s environment is dedicated to that.

Below are some other applications that we may not recommend but yet you can use them to make voice calls to other peoples using app-to-app or app-to-network method.

So suffice to say these listed apps are best and reliable VoIP apps to make calls to peoples who matter, thus technology made it very simpler.

How does VOIP App Works

Note: there is way more application which offers free VoIP audio calls, but they have to be installed on both devices, and who want some pretty infamous apps to install on their device, not my friends probably. So we included some trustworthy VoIP apps which you can even ask your family, friends, or other people to download and install. There are 2 kinds of VOIP apps. First is App an app that only needs an internet connection and the other app-to-Phone numbers call so the person whom you call doesn’t need an internet connection as they will receive phone calls on their typical phone number.

Is Paid VOIP good?

Paid VoIP Apps:If you need powerful options to call worldwide and from app-to-typical phone numbers here are three mentions of Paid VoIP services. All support virtual phone numbers, so the person you’ll call will receive a call from the number assigned to you. That is a virtual number. Though they allow the app to app free calls.

  1. Other good quality VOIP apps which you can add in the above list are webex, R-HUB web video conferencing servers, gotomeeting etc. they work well.

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