10 Best Free International Calling Apps for Unlimited Calling, Text & Videos

| March 20, 2020

updated on May 4, 2021 at 3:06 pm

Free international calling app


Communication tools such as international calling apps are being widely used for developing not just business relations but also doing meaningful conversations. People across the world uses the best international calling apps for calls, text & video conversations. Moreover, the interface of most paid and free international calling apps is user friendly, thus letting users rely on them without any technical issues.

Free international calling app

There are multiple options available to select the appropriate free ISD calling app as per your professional or personal requirement.

How Technology is Making Free International Calling Possible

Free international calling apps make use of the VoIP (Voice Over Internet Protocol) to make audio and video calls from any device which is connected to the internet. You can use any device, be it your desktop or smartphone to make free international calls.

10 Best International Calling Apps for Free ISD Calling

The best free international calling apps are compatible with multiple devices. Further they have such basic features enabled that make your international calls and chat processes an absolute delight.

  • Viber

Best international calling app

Viber free international calling app lets you connect with other Viber users through WiFi networks. This free ISD calling app is quite convenient for those who want to make and receive long international calls without having to spend extra money. 

You can also initiate group conversations with best free international calling app and express yourself more freely with stickers. Video messages allow you to come face to face with your clients and dear ones, no matter where they are located.

Features of Viber:

  • Library of GIFs and stickers for adding expressions to messages
  • Manage conversations with unlimited people
  • Delete messages sent by mistake
  • Check who has and who hasn’t read your message
  • Easy to switch between desktop and mobile versions
  • Discover feature to identify new connections.


  • No login hassles as your login id is the telephone number 
  • Good number of emoticons to select from
  • High quality image transfer
  • Create groups and easily add participants to these groups.


  • Not possible to pin contacts
  • Too many ads
  • Only small sized files can be shared.

Compatibility: One of the best internet calling apps Windows, Mac, iOS and Android.

  • WeChat

Free international calling app for android

You can use WeChat free international calling app to not just make calls or write messages but also book hotels, flights, etc. Further, this international free calling app can be used for sending emails. What’s more, recharge your mobile through WeChat.

People can express themselves better with this app for international calling, as it has various social media features such as like, comment and share option.

Features of WeChat:

  • Moments option to upload images/videos and share those with others
  • Transfer money with this free voice calling software
  • Mini-programs to access editing tools n within WeChat.
  • Games come pre- installed within this international calling app
  • Facebook login is enabled within WeChat
  • Easily listen to voice messages without downloading them.


  • Interact with strangers through shake, lift around and bottles option
  • Live chat enabled 
  • Supports multiple platforms


  • Not possible to check whether a contact is online or offline.

Compatibility: One of the best free international calling apps for Windows, Mac, Web, Android and iOS.

  • IMO

Call international numbers free

IMO is one of the best free international calling apps because it gives its users the advantage of quality video and voice calls. Calls made through IMO free international phone calls app are encrypted for security purposes and you can make upto six encrypted calls through this international free calling app. Exchange messages with friends and acquaintances even if the internet bandwidth is slow.

Features of IMO:

  • Calls encrypted to ensure privacy
  • Low memory size of the application
  • Send PDFs, music, videos and other such files
  • Dialing screen
  • Cloud storage facility
  • No ads



  • Drains battery

Compatibility: Android and iOS.

  • Rebtel

Rebtel international calling app is known for linking people without depending on WiFi connection. While calling rates do apply, the charges are minimal, such as around ₹700 per month for unlimited ISD calls from India. You can even use a local phone line to enjoy quality calls without any incidences of call drops.

Features of Rebtel:

  • Free app to app calls
  • Calling cards
  • Mobile recharge
  • Access numbers
  • Complete calls & transaction details


  • Low international calling rates
  • User friendly interface
  • Easy set up and sign up process
  • No WiFi required for making calls


  • No image sharing option
  • Messaging feature missing
  • No WiFi is it’s USP but some sort of internet connection is still required.

Compatibility: Android and iOS.

  • TextNow

Best internet calling app

TextNow is a free international calling app that also offers a free phone number for making online calls and text messages. Users can purchase a suitable plan for using this app so that without WiFi connection also international calls can be made. Using this app, you can call or text anyone in the USA or Canada for free.

Features of TextNow:

  • Caller id to identify unknown numbers
  • Voicemail transcription
  • Floating chat for quick access to messages
  • Call forwarding to not miss important calls
  • Customisable tones
  • Emojis and stickers


  • Unified inbox
  • Seamless calling process
  • Paid plans available to check ads.
  • Secure messages through passcode.


  • Phone number resetting issues

Compatibility: Android, iOS and Windows.

  • Skype

Free ISD calling app

Skype is one of the best international calling apps used for both professional and personal purposes. Conferences and meetings are also arranged through this international free calling app. Audio/video recording is the unique selling point of Skype app. 

Features of Skype:

  • At a Glance option to check people available online
  • Group chat and video option
  • Multi device support is available
  • Screenshare option for organising meetings with clients
  • Add people with ease through phone book
  • Create favourite section for selective contacts.


  • Quick search option
  • Layout is user friendly
  • Email configuration
  • Easy to install


  • Special features such as blue tooth support highly priced
  • Video call quality is an issue sometimes.

Compatibility: Android, iOS and Desktop (Windows).

  • FaceTime

FaceTime is a video calling app for conducting virtual business meetings, conferences and such collaborative projects. This free international calling app has an elegant interface providing sharp image quality to those using the app for sharing pictures.

Easy to use in any Apple device, all you need to do is select contact from phone book and immediately call the connection through FaceTime. It is that simple. 

Features of FaceTime:

  • High definition video
  • FaceTime as one of the best international calling apps lets you organise contacts easily
  • Users receive calls even when the app is not running
  • Integration with Apple devices.


  • Quick setup
  • Only a user id is required for completing the app’s setup 
  • Crystal clear video calls


  • No free trial available
  • High data consumption

Compatibility: iOS

  • Google Duo

International free calling app

Google Duo is a free voice and video calling application. Call anybody even if you have slow internet connection or low internet bandwidth. This is also the most unique feature of this application.

Additionally, users can limit data usage as well as block numbers as per their convenience. You are also free to use or not use push notifications and access contacts.

Features of Google Duo:

  • Security validation required before logging into website
  • Knock knock feature to review information of the person who is calling you
  • Directly linked to contacts in the phones list
  • Face to face with eighth people at a time
  • Compose messages for contacts who fail to pick your call
  • High definition video call quality.


  • Personal information is safe with end-to-end encryption
  • Easy sign up process
  • Allows sending short video messages
  • Three different methods for verifying security information.


  • Remembered Devices feature only available in web-based applications
  • iOS users need to regularly update the app

Compatibility: Android, Web and iOS.

  • WhatsApp Free International Calls

Voice calls, video chats and text messaging are the core features of free international calls by WhatsApp. The social media platform continues to be the most preferred tool for not just personal communication but also professional purposes such as marketing products, getting new customers and sharing other work related information.

Data charges apply when you make calls. However the software has a fast expanding user base. Check whatsapp alternative messaging app.

Features of Free International Calls WhatsApp:

  • End to end encryption available
  • Share videos, images and documents
  • Free of cost calling for WhatsApp contacts
  • Regular updates
  • Easy swipe option for accepting or rejecting a call.


  • Allows deleting messages
  • Call waiting support in case you are busy on another call
  • Multiple device support


  • Not possible to make calls to non-WhatsApp numbers
  • Good WiFi connection required.

Compatibility: Android, iOS and Desktop (Windows).

  • Facebook Messenger

Free voice calling software

Facebook Messenger is a free ISD calling app for starting conversations with friends, acquaintances and colleagues. You can use WiFi or phone internet connections for quick chat or video session with others. Users can either use Facebook profile or mobile number for using the Facebook Messenger app.

Features of Facebook Messenger:

  • Rally the Group option to share location, split bills, etc.
  • Allows sharing videos with filters and doodle
  • Record option to send voice messages
  • Add your debit card or PayPal account for receiving or sending money
  • Messenger camera for sending stories or messages
  • Quick syncing with phone contacts and Facebook friends’ list.


  • Various emojis, GIFs and stickers to make conversations lively
  • Seamless messaging experience
  • Allows connecting with businesses for customer support, reservations, etc.
  • You can use filters for group video chats. 


  • Takes up a lot of space in your device.

Compatibility: Android, iOS and Desktop (Windows).

Free to download apps for international calling come attached with multiple features to enable users decide which application would be best suitable for communication purposes. Easy to install along with various data packs to choose from, international calling apps have helped businesses thrive and individuals form more meaningful relationships.


  1. What's the cheapest way to make international calls?

    The cheapest way to making international calls is choosing and downloading from multiple free international calling apps that are available online. These applications are compatible with different mobile platforms such as Android and iOS.

    Then there are desktop or Windows version to help users connect through people both locally and internationally through their desktop. Most of such apps to call international numbers free come in different memory sizes to let you select as per your device's configuration.

  2. Do you need an internet connection to make free international calls?

    An internet connection is often required for making international and local level calls. However, some apps support free international calls without internet via landline. Just the way you would need a connection to install international calling software, in a similar way calls too require internet connectivity.

    However different international calling platforms consume different amounts of data. While there are some apps that require less data, there are as well other apps that depend on high data usage.

  3. Can I call international numbers for free?

    International calling apps let you connect with contacts situated in different parts of the globe for free. The following apps lets you connect with people for free are PopTox, VoipBuster, Voxofon, VoipStunt and Phone.com.

  4. Which are the best free voice calling software?

    TextFree, Maaii, Snapchat, Telegram, FreedomPop, Libon and Vonage Mobile.

  5. What are the best free international calling apps for iPhone?

    Tango, Line, Hangouts, Nimbuzz, Fring, iCall, MO-Call and Vopium.

  6. What are the best free international calling apps for Android?

    Hike, Nanu, ooVoo, Yahoo Messenger, Seen, Paltalk, GrooVe IP, Signal, Talkray and Indycall.




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