imo-International Calls & Chat

2026.07.1041
"imo is a free and secure app for global video calls & instant messaging. It boasts over 200 million users in more than 170 countries and regions and supports more than 30 languages.You can always enjoy high-quality audio and video calls to stay connected with your family and share important moments wherever you are.
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4.2/5 Votes: 9,073,524
Developer
imo.im
Released on
Jul 27, 2010
Updated
Sep 10, 2026
Size
142.81 MB
Version
2026.07.1041
Requirements
5.0
Downloads
1,000,000,000+
Get it on
Google Play
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Description

imo-International Calls & Chat: Complete Review, Features, Video Calls, Privacy and More

imo-International Calls & Chat is a communication app focused on free messaging, voice calls, and video calls over the internet. It is designed to help users stay connected with friends and family across different countries without relying on traditional international calling services.The app combines instant messaging with audio and video communication and also includes features such as group chats, stickers, media sharing, and other social communication tools.

What Is imo?

imo is an internet-based communication platform that allows users to communicate through mobile devices and supported platforms.

Its main functions include:

  • Text messaging
  • Voice calls
  • Video calls
  • Group chats
  • Photo sharing
  • Video sharing
  • Voice messages
  • Stickers
  • Emojis
  • Contact discovery
  • International communication

The main idea behind imo is simple: instead of paying traditional international calling charges, users can communicate through an internet connection.

imo Voice Calls

Voice calling is one of imo’s primary features. Users can make internet-based calls to other imo users.

Call quality depends on several factors, including:

  • Internet speed
  • Wi-Fi quality
  • Mobile network coverage
  • Device performance
  • Network congestion
  • Geographic location

With a strong connection, voice calls can be clear and stable. However, users with weak mobile data or unstable Wi-Fi may experience audio delays, dropped calls, distorted sound, or connection interruptions.

imo Video Calls

imo Video Calls

Video calling allows users to communicate face-to-face over the internet.

This can be particularly useful for:

  • Families living in different countries
  • Long-distance relationships
  • Friends
  • Remote communication
  • International contacts

The quality of a video call depends heavily on the available bandwidth. A strong Wi-Fi connection generally provides a better experience than a weak mobile-data connection.

International Calls

International communication is one of imo’s main selling points.

Traditional international phone calls can become expensive, especially when communicating frequently with people in other countries. imo instead uses an internet connection for communication between users.

This means the practical cost depends primarily on the user’s internet plan. Users should remember that mobile-data charges may still apply when using cellular data.

imo Messaging

imo also provides traditional instant messaging.

Users can send:

  • Text
  • Photos
  • Videos
  • Voice messages
  • Emojis
  • Stickers
  • Other supported media

Messaging can be used individually or within group conversations.

Group Chats

Group communication is another useful part of imo. Users can communicate with multiple people in the same conversation.

Group chats can be useful for:

  • Families
  • Friends
  • Study groups
  • Small communities
  • Work-related communication

As with any online messaging platform, users should be cautious about who they add to group conversations.

Stickers and Emojis

imo includes expressive communication tools such as:

  • Emojis
  • Stickers
  • GIF-style content
  • Reactions

These features make ordinary text conversations more interactive and useful when users want to communicate emotions without writing long messages.

Sharing Photos and Videos

Users can share multimedia content through chats, including photographs, short videos, and other supported files or media.

The actual upload and download experience depends on the user’s connection speed and available device storage.

imo for Families

One of imo’s most practical uses is keeping families connected.

Relatives living in different countries can use the app to:

Send a message → Make a voice call → Start a video call

This makes imo particularly useful for users who frequently communicate internationally.

imo for Long-Distance Communication

For people with friends or relatives abroad, imo can be a convenient communication tool.

Instead of relying on international SMS or traditional telephone services, users can communicate through internet-based services. The main requirement is that both sides need compatible access to the service and a suitable internet connection for the relevant communication method.

imo on Mobile Devices

imo is primarily designed for mobile communication.

The mobile experience focuses on:

  • Contact lists
  • Chats
  • Calls
  • Video calls
  • Notifications
  • Media sharing

The simple interface makes it relatively easy for new users to understand the basic functions.

imo Performance Test

Test Area Practical Result / Verdict
App startup Very Good
Text messaging Excellent
Voice calls Very Good with a stable connection
Video calls Very Good on strong networks
International communication Excellent
Group chats Very Good
Media sharing Very Good
Interface Easy to use
Mobile-data efficiency Depends on call/video usage
Overall communication reliability Very Good

These are practical assessments rather than laboratory measurements. Call quality, latency, battery consumption, and data usage can vary considerably depending on the device, network, region, and current app version.

imo Internet and Data Usage

Because imo relies on internet connectivity, users should consider their data consumption.

Text messaging generally requires very little data. Voice and especially video calls can consume considerably more.

For users with limited mobile-data plans, Wi-Fi can be preferable for long video calls.

A practical comparison is:

  • Text: Lowest data usage
  • Voice call: Moderate data usage
  • Video call: Highest data usage

Actual consumption varies according to call quality, duration, compression, and network conditions.

imo Privacy

Privacy is an important consideration for any messaging and calling application.

Users should review imo’s current privacy policy and the data disclosures associated with the version available in their region.

As with other communication platforms, information involved in operating the service can potentially include account, device, contact, usage, or communication-related information depending on the feature and platform.

Users should therefore avoid sharing highly sensitive information unnecessarily.

Is imo Safe?

imo can be used safely when users follow basic online-security practices.

Recommended precautions include:

  • Use a strong account password.
  • Don’t share verification codes.
  • Avoid suspicious links.
  • Don’t accept unknown contacts unnecessarily.
  • Block unwanted users.
  • Report abusive behavior.
  • Review privacy settings.
  • Keep the application updated.

Users should also be cautious about scams involving fake profiles, investment offers, prize claims, or requests for money.

imo Account Security

Communication accounts can be attractive targets for scammers.

Never give another person:

  • Verification codes
  • Passwords
  • Account recovery information
  • Banking details

If someone claims to be imo support and asks for sensitive credentials through an unexpected message, treat the request with suspicion.

imo vs WhatsApp

Feature imo WhatsApp
Text messaging ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Voice calls ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Video calls ⭐⭐⭐⭐½ ⭐⭐⭐⭐⭐
Group chats ⭐⭐⭐⭐½ ⭐⭐⭐⭐⭐
International communication ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Media sharing ⭐⭐⭐⭐½ ⭐⭐⭐⭐⭐
Global popularity ⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Privacy reputation ⭐⭐⭐½ ⭐⭐⭐⭐½
Ease of use ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐

WhatsApp generally has a larger global ecosystem, while imo remains an attractive option for users who specifically want straightforward international communication.

imo vs Messenger

Feature imo Messenger
Messaging ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Voice calls ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Video calls ⭐⭐⭐⭐½ ⭐⭐⭐⭐⭐
Social features ⭐⭐⭐ ⭐⭐⭐⭐⭐
International calls ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐½
Simplicity ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐
Group communication ⭐⭐⭐⭐½ ⭐⭐⭐⭐⭐

Messenger has stronger integration with Meta’s social ecosystem. imo is more focused on direct communication.

imo vs Telegram

Feature imo Telegram
Messaging ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Voice calls ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐½
Video calls ⭐⭐⭐⭐½ ⭐⭐⭐⭐½
Groups ⭐⭐⭐⭐½ ⭐⭐⭐⭐⭐
Large communities ⭐⭐⭐ ⭐⭐⭐⭐⭐
File sharing ⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Simplicity ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐½

Telegram is generally more oriented toward large communities, channels, bots, and file sharing. imo focuses more directly on everyday communication and calls.

What I Like About imo

Simple communication

The app focuses heavily on the basic functions people actually need.

International calling

Internet-based communication makes it convenient for people with contacts abroad.

Voice and video calls

Users can move easily between messaging and calls.

Easy interface

The basic features don’t require much technical knowledge.

Group communication

Groups make it useful for families and friends.

Multimedia messaging

Users can share photos, videos, and other supported content.

What Could Be Better

Privacy transparency

Users should carefully review the current privacy and data practices before using the platform for sensitive communication.

Internet dependency

Poor connectivity can significantly affect calls.

Data consumption

Long video calls can use substantial mobile data.

Account security

As with other messaging services, users can encounter scams or suspicious accounts.

Global ecosystem

imo has fewer integrations and ecosystem features than some larger platforms.

Pros and Cons

Pros Cons
Easy to use Requires internet access
International voice calls Video calls can consume significant data
Video calling Privacy should be reviewed
Text messaging Network quality affects calls
Group chats Scams and unwanted messages are possible
Photo/video sharing Some features may vary by region
Good for families abroad Less extensive ecosystem than major competitors

Who Should Use imo?

imo is particularly suitable for:

  • Families living in different countries
  • International callers
  • Friends abroad
  • Users who frequently make internet calls
  • People looking for a simple messaging app
  • Users who want voice and video communication in one application

It may be less attractive for users who want advanced community features, extensive productivity integrations, or a huge ecosystem of third-party tools.

Practical Tips for Using imo

Use Wi-Fi for long video calls

This can help reduce mobile-data consumption.

Keep the app updated

Updates can improve compatibility, security, and performance.

Protect your verification code

Never send authentication codes to another person.

Review your contacts

Don’t accept requests from unknown users automatically.

Use privacy controls

Configure who can contact you and interact with your account where supported.

Be careful with international scams

Never send money simply because someone you’ve met through an online chat asks for it.

Frequently Asked Questions

What is imo used for?

imo is mainly used for internet-based messaging, voice calls, video calls, group chats, and international communication.

Is imo free?

The application can be downloaded and used for internet-based communication, although users may still incur mobile-data charges when using cellular networks.

Can I make international calls with imo?

Yes. Internet-based voice and video communication is one of imo’s primary purposes.

Does imo support video calls?

Yes. Users can make video calls through the application.

Does imo support group chats?

Yes. imo supports group communication.

Does imo work without internet?

Core messaging, voice, and video communication require an internet connection.

Does imo use mobile data?

Yes, when you use it through a cellular data connection. Video calls generally consume considerably more data than text messaging.

Is imo safe?

It can be used safely with appropriate privacy and security practices, but users should review current privacy policies and be cautious about unknown contacts, scams, and suspicious links.

Is imo better than WhatsApp?

Not universally. WhatsApp has a larger global ecosystem, while imo can be a good option for users primarily interested in simple international messaging and calling.

Is imo good for international communication?

Yes. International voice and video communication is one of its main use cases.

Final Verdict

imo-International Calls & Chat is a straightforward communication application built around one central idea: keeping people connected through internet-based messaging and calls.

Its strongest features are voice calls, video calls, international communication, messaging, group chats, and multimedia sharing.

The application can be particularly useful for people who regularly communicate with relatives or friends living in other countries.

Its biggest limitation is that call quality depends heavily on the internet connection. Privacy, mobile-data consumption, and account security are also important considerations.

Compared with larger platforms such as WhatsApp and Messenger, imo doesn’t necessarily offer the broadest ecosystem. However, users who primarily want simple messaging and international voice/video calls may find it a practical choice.

Final Rating

Category Rating
Ease of Use ⭐⭐⭐⭐⭐
Messaging ⭐⭐⭐⭐⭐
Voice Calls ⭐⭐⭐⭐⭐
Video Calls ⭐⭐⭐⭐½
International Communication ⭐⭐⭐⭐⭐
Group Chats ⭐⭐⭐⭐½
Media Sharing ⭐⭐⭐⭐½
Privacy ⭐⭐⭐½
Performance ⭐⭐⭐⭐½
Overall 4.5/5

Best for: International calls, messaging, families and friends living abroad

Main strength: Simple voice and video communication over the internet

Biggest limitation: Call quality depends heavily on network conditions

Best alternatives: WhatsApp, Messenger and Telegram

Overall verdict: imo is a practical communication app for users who want simple messaging and reliable internet-based voice and video calls, particularly when staying in touch with people in other countries.

What's new

[Privacy Chat] Your privacy and security matter to imo. Elevate your chat privacy with various new features (e.g. Screenshot Block, Time Machine, Disappearing Message).

[Invisible Friend] Hide your imo invisible friends effortlessly with a simple shake of your phone.

[Optimal Light] Struggling with nighttime video calls? Turn on Optimal Light for better lighting.

- Other Enhancements
- Bug fixes

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