Overview

Skype was founded in 2003 by Niklas Zennström and Janus Friis with headquarters in Luxembourg, and was one of the earliest IP voice and video calling services. It was acquired by eBay for about USD 2.6 billion in 2005 and by Microsoft for USD 8.5 billion in 2011. Skype offers free Skype-to-Skype audio/video calls, instant messaging, screen sharing, and file transfer, plus low-cost international calling through Skype Credit and subscriptions, making it a long-established personal communication option within the communication tools ecosystem.

Microsoft announced in 2023 and formally retired the consumer version of Skype in May 2025, guiding users to migrate to the free version of Microsoft Teams, so Skype's long-term trajectory now centers on the Teams ecosystem covered in the team communication tool comparison.

Key Strengths

  • Low-cost international calling: Skype Credit (from ~$5) and subscriptions call global mobile and landline numbers at rates far below international roaming, a classic low-cost option for international calls.
  • Free Skype-to-Skype calls: Audio/video calls, messaging, screen sharing, and file transfer between Skype users are completely free ($0, group video up to 50 participants), with low cross-device cost.
  • Live subtitles and translation: Built-in live subtitles and multi-language translation (Skype Translator) support 40+ languages for chat translation and generate live captions for voice calls, lowering the barrier for cross-language calls.
  • Cross-platform coverage: Supports 5 platforms - Windows, macOS, iOS, Android, and the web - syncing across all platforms without separate accounts.

Product Ecosystem

Free Skype-to-Skype Calls

Free audio/video calls, instant messaging, group calls, screen sharing, and file transfer between users - the foundational Skype capability.

Skype Credit and Subscriptions

Prepaid Skype Credit bills per minute for calling global mobile and landline numbers, while subscriptions provide unlimited calling to specific countries or regions - the core paid scenario for international calls.

Skype Number

A local number can be purchased in some regions to receive incoming calls and forward them to Skype, useful for cross-border users needing a local contact number.

Skype Translator

Provides live subtitles and multi-language translation for voice and video calls, suited to cross-language communication.

Migration to Microsoft Teams

Microsoft is migrating Skype users to the free version of Microsoft Teams, with historical chats and contacts importable into Teams, and Teams taking over the feature set.

Limitations

  • Service being retired: Microsoft retired the consumer version of Skype in May 2025 and migrated users to the free version of Teams, so long-term reliance on Skype carries uncertainty and new users should be cautious.
  • Stalled feature development: Microsoft resources continue shifting to Teams, and Skype iterates slowly, lacking newer communication features such as AI summaries and spatial audio.
  • Experience trails competitors: Mobile and desktop experiences have not been substantially upgraded for years, trailing Zoom and WhatsApp in quality, stability, and collaboration.
  • Unclear enterprise positioning: Enterprise scenarios are fully covered by Microsoft Teams, leaving Skype increasingly personal and marginal.

Use Cases

  • Low-cost international calling (★★★★★): Skype Credit for calling global mobile/landline numbers remains a high-value international calling option.
  • Cross-border family calls （★★★★☆）: Free Skype-to-Skype calls and real-time translation suit cross-language, cross-timezone family communication.
  • Lightweight remote collaboration （★★★☆☆）: Screen sharing and file transfer cover light remote-assistance needs.
  • Enterprise and team selection （★★☆☆☆）: Microsoft-ecosystem businesses should directly choose Microsoft Teams; Skype is no longer a first choice for new teams.
  • New users building communication tools （★★☆☆☆）: Given the retirement and migration, new users should directly consider alternatives such as WhatsApp or Zoom.

Pricing

Item Price Highlights
Skype-to-Skype Free Audio/video calls, messaging, screen sharing
Credit packs From ~$5 Per-minute calling to global mobile/landline
Subscriptions ~$5-$15/mo Unlimited calling to specific regions
Skype Number ~$5-$15/mo Local virtual number for receiving/forwarding

Note: The consumer version of Skype was retired in May 2025 and migrated to the free version of Microsoft Teams; current rates and available regions are subject to the official website.

FAQ

  • Has Skype been discontinued? Microsoft retired the consumer version of Skype on May 5, 2025, migrating users to the free version of Microsoft Teams; historical chats and contacts can be imported into Teams, and account details follow Microsoft's official guidance; see team communication tools.

  • What is the difference between Skype and Microsoft Teams? Both belong to Microsoft; Teams targets enterprise and team collaboration (channels, meetings, app integrations), while Skype targets personal communication; Microsoft has retired consumer Skype and guides users to the free version of Teams; see the remote team toolchain.

  • How does international calling on Skype work? Use Skype Credit to bill per minute for calling global mobile and landline numbers, or buy region subscriptions for unlimited calling; rates are far below international roaming, subject to the official website; see remote team management tools.

  • How many people can join a Skype video call? Group video calls support up to 50 participants, suitable for family group chats and small meetings; for larger meetings, use Teams or Zoom. See the remote team management tool comparison for more team communication options.