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Best Chat & Messaging Apps in 2026

10 SaaS products ranked on capability, adoption, value, momentum and trust, each with a short verdict.

Updated · How we rank

LISTER SCORE · UPDATED Get your company ranked

Key takeaways

WhatsApp is the top choice for global personal communication due to its universal reach. Telegram suits power users who love customisation and large groups. Slack is the premier pick for workplace collaboration and team productivity.
Top 10 Chat & Messaging Apps, compared
RANKENTRYBEST FORSCOREFROM
1WhatsAppWhatsApp has over two billion active monthly users worldwide.Everyday personal messaging95.0Free
2TelegramTelegram allows group chats to hold up to 200,000 members.Large communities and customisation92.7Free
3SignalSignal is funded entirely by grants and donations rather than advertising.Privacy-conscious users90.3Free
4SlackSlack integrates with over 2,600 external third-party software tools.Tech companies and startups with complex toolchains88.06.67 GBP per user per month
5Microsoft TeamsMicrosoft Teams is deeply integrated into the Microsoft 365 office suite.Large enterprises using Microsoft 36585.73.30 GBP per user per month
6DiscordDiscord handles millions of concurrent voice users daily through low-latency channels.Open source projects and gaming communities83.3Free
7Apple MessagesApple Messages seamlessly routes between SMS and internet-based iMessage.Apple ecosystem users81.0Free
8Facebook MessengerMessenger supports cross-app communication with Instagram users.Connecting with Facebook friends78.7Free
9ViberViber Out allows users to call non-Viber landlines and mobile numbers globally.International calling76.3Free
10LineLine originated in Japan following the 2011 earthquake to help restore communication.Users in East Asia74.0Free
CURATED · UPDATED HOW WE RANK →

How to choose

Start from what you need it for. Where each entry fits best:

  • WhatsApp (#1): Everyday personal messaging
  • Telegram (#2): Large communities and customisation
  • Signal (#3): Privacy-conscious users
  • Slack (#4): Tech companies and startups with complex toolchains
  • Microsoft Teams (#5): Large enterprises using Microsoft 365
  • Discord (#6): Open source projects and gaming communities
  • Apple Messages (#7): Apple ecosystem users
  • Facebook Messenger (#8): Connecting with Facebook friends
  • Viber (#9): International calling
  • Line (#10): Users in East Asia

Each entry's full verdict is below.

The ranking, in detail

01

WhatsApp

Simple, reliable, secure messaging

A globally dominant messaging platform offering end-to-end encryption for text, voice calls, and video chats.

Free
PROS
  • End-to-end encryption by default
  • Extremely large global user base
CONS
  • Requires a mobile phone number to register
  • Owned by Meta, which raises privacy concerns for some users
Best for
Everyday personal messaging
Where it falls short
It requires a mobile phone number to register.
Pick something else if
you do not want to link your phone number.
95.0
02

Telegram

A new era of messaging

A cloud-based instant messaging service known for speed, security, and support for massive broadcast channels.

Free
PROS
  • Cloud storage allows seamless multi-device syncing
  • Supports very large groups and channels
CONS
  • Secret chats are not enabled by default
  • Uses custom MTProto encryption rather than standard protocols
Best for
Large communities and customisation
Where it falls short
Secret chats are not enabled by default.
Pick something else if
you require end-to-end encryption to be on by default.
92.7
03

Signal

Speak freely

A privacy-focused messaging app that uses advanced open-source end-to-end encryption for all communications.

Free
PROS
  • Industry-leading privacy and metadata protection
  • Completely open-source protocol
CONS
  • Smaller user base compared to WhatsApp
  • Lacks some advanced customisation features
Best for
Privacy-conscious users
Where it falls short
It has a smaller user base compared to WhatsApp.
Pick something else if
you need the largest possible network of contacts.
90.3
04

Slack

Where work happens

A channel-based messaging platform designed for professional teams and workplace productivity.

From 6.67 GBP per user per month
PROS
  • Extensive app directory with thousands of integrations
  • Intuitive and highly customisable user interface
CONS
  • Can become expensive for larger organisations
  • Message history is limited on the free tier
Best for
Tech companies and startups with complex toolchains
Where it falls short
The free tier restricts message history, which hinders long-term information retrieval.
Pick something else if
you need unlimited message history without paying.
88.0
05

Microsoft Teams

Chat, meet, call, and collaborate

A comprehensive business communication platform combining workplace chat, video meetings, and file storage.

From 3.30 GBP per user per month
PROS
  • Deep integration with Microsoft Office applications
  • Robust enterprise-grade security and compliance features
CONS
  • Interface can feel cluttered and overwhelming
  • Resource heavy application performance on desktop
Best for
Large enterprises using Microsoft 365
Where it falls short
The interface can feel cluttered and overwhelming for users.
Pick something else if
you prefer a simpler interface.
85.7
06

Discord

Your place to talk and hang out

A voice, video, and text communication service originally built for gamers but now used by diverse online communities.

Free
PROS
  • Exceptional free voice and video channels
  • Highly customisable bots and automation
CONS
  • Less structured for formal corporate hierarchy
  • Notifications can be distracting outside of work hours
Best for
Open source projects and gaming communities
Where it falls short
It is less structured for formal corporate hierarchy.
Pick something else if
you need a platform built for formal corporate hierarchy.
83.3
07

Apple Messages

Say more with iMessage

The native instant messaging service built into Apple iOS, iPadOS, and macOS devices.

Free
PROS
  • Pre-installed on all Apple devices
  • Rich media sharing and fun effect animations
CONS
  • Restricted strictly to Apple hardware ecosystems
  • Lacks official cross-platform Android support
Best for
Apple ecosystem users
Where it falls short
Restricted strictly to Apple hardware ecosystems.
81.0
08

Facebook Messenger

Be together, whenever

A popular instant messaging application connected to the Facebook social network ecosystem.

Free
PROS
  • Linked directly to the vast Facebook network
  • Includes fun games and interactive filters
CONS
  • App can be heavy and drain battery quickly
  • Data collection practices are linked to Meta
Best for
Connecting with Facebook friends
Where it falls short
App can be heavy and drain battery quickly.
78.7
09

Viber

Connecting people freely and securely

A cross-platform instant messaging and VoIP application featuring secure chats and affordable international calls.

Free
PROS
  • Good rates for international landline calling
  • Built-in end-to-end encryption for private chats
CONS
  • Contains ads within the free mobile interface
  • Smaller user base in Western countries
Best for
International calling
Where it falls short
Contains ads within the free mobile interface.
76.3
10

Line

Closing the distance

A comprehensive lifestyle and messaging application exceptionally popular in parts of East Asia.

Free
PROS
  • Packed with stickers, games, and mobile payment features
  • Extremely popular in Japan, Taiwan, and Thailand
CONS
  • Interface can feel cluttered with extra features
  • Low adoption rates in North America and Europe
Best for
Users in East Asia
Where it falls short
Interface can feel cluttered with extra features.
74.0

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Frequently asked questions

Which messaging app is the most secure?

Signal is widely considered the most secure messaging app due to its open-source protocol and commitment to collecting minimal user metadata.

Do I need to pay to use these messaging applications?

Most consumer chat apps like WhatsApp, Telegram, and Signal are completely free to use, while workplace tools like Slack require paid subscriptions for advanced features.

Can I use WhatsApp without a smartphone?

Yes, WhatsApp allows you to link your account to multiple companion desktop devices without needing your phone to stay online constantly.

Sources

Where we checked each company's facts, and when.

Some links on Lister are affiliate links. Rankings are not affected.