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Head-to-head · Instant Messaging Software

WhatsApp vs Microsoft Teams

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score WhatsApp #1 in Instant Messaging Software 9.4/10 Free plan Free plan✓ 0 of 2 features Visit WhatsApp
Microsoft Teams #5 in Instant Messaging Software 9.0/10 Free plan Free plan✓ 1 of 2 features Try Microsoft Teams

WhatsApp leads on 0 checks, Microsoft Teams on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreWhatsApp · 9.4/10
  • Free planboth
  • Most featuresMicrosoft Teams · 1 of 2

WhatsApp scores higher on our rubric for instant messaging software: 9.4 against 9.0 out of 10; our editors rank them #1 and #5.

WhatsApp is the better fit for broad personal messaging and calling. Microsoft Teams is the better fit for organizations needing integrated team chat.

  • WhatsApp fits best

    Broad personal messaging and calling

  • Microsoft Teams fits best

    Organizations needing integrated team chat

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Side by side

Feature WhatsApp 9.4/10 Visit ↗ Microsoft Teams 9.0/10 Visit ↗
At a glance
Editor score 9.4 9.0
Ranking #1 in Instant Messaging Software #5 in Instant Messaging Software
Best for Broad personal messaging and calling Organizations needing integrated team chat
Pricing model Free Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Docs Phone, Docs, Community
Compliance 2FA SOC 2, ISO 27001, HIPAA, 2FA
Built for Solo, Small business Solo, Small business, Mid-market, Enterprise
Features WhatsApp 0/2 · Microsoft Teams 1/2
End-to-end encryption Not checked yet Not checked yet
Guest access Not checked yet ✓ (best)
Specs
Message history Not checked yet Unlimited
Max group size Not checked yet Not checked yet
File size limit Not checked yet Not checked yet
Supported platforms Not checked yet Not checked yet
Our review
Pros
  • End-to-end encrypted personal messages and calls by default
  • Groups support up to 1,024 members with voice and video calls
  • Web, desktop, and mobile apps support up to four linked devices
  • Combines chat, channels, meetings, calling, files, and collaborative apps
  • Deep Microsoft 365 integration with SharePoint, OneDrive, Outlook, and Power Platform
  • Supports guest access, recordings, transcripts, compliance controls, and Linux
Cons
  • Business and Meta AI conversations can have different privacy properties
  • Support is provided through documentation
  • The software is not open source
  • Broad scope may exceed the needs of teams seeking simple chat
  • Business capabilities are spread across multiple Microsoft licensing plans
  • Teams Free is primarily positioned for personal use
Our verdict

WhatsApp is a free messaging and calling application for personal communication across web browsers, Windows, macOS, iOS, and Android. It supports text, photo, video, document, and location sharing, plus voice and video calls, status…

Read the review →

Microsoft Teams brings private and group chat, organized channels, audio and video meetings, cloud calling, file sharing, collaborative editing, workflows, and app integrations into one service. It suits solo users, small and mid-market…

Read the review →
  1. WhatsAppInstant Messaging Software 9.4Free plan
  2. Microsoft TeamsInstant Messaging Software 9.0Free plan

Strengths and trade-offs

  • WhatsApp — where it wins

    • End-to-end encrypted personal messages and calls by default
    • Groups support up to 1,024 members with voice and video calls
    • Web, desktop, and mobile apps support up to four linked devices

    Where it doesn't

    • Business and Meta AI conversations can have different privacy properties
    • Support is provided through documentation
    • The software is not open source

  • Microsoft Teams — where it wins

    • Combines chat, channels, meetings, calling, files, and collaborative apps
    • Deep Microsoft 365 integration with SharePoint, OneDrive, Outlook, and Power Platform
    • Supports guest access, recordings, transcripts, compliance controls, and Linux

    Where it doesn't

    • Broad scope may exceed the needs of teams seeking simple chat
    • Business capabilities are spread across multiple Microsoft licensing plans
    • Teams Free is primarily positioned for personal use

More comparisons

All instant messaging software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update