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Software · head to head

Microsoft Teams vs OneSignal

Microsoft Teams logo

Microsoft Teams

Software

Meet, chat, call, and collaborate in just one place

From
Free
Rated
-
Full reviewWebsite
O

OneSignal

Software

Customer engagement and messaging, without the complexity

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Microsoft Teams resource-heavy application; slow to load and consumes significant CPU/memory compared to alternatives; OneSignal free plan email sends cap at 10,000 per month and web push is capped at 10,000 subscribers per send, per onesignal.com/pricing (Aug 2026)

Where they differ

Only the attributes on which Microsoft Teams and OneSignal actually diverge.

Attributes where Microsoft Teams and OneSignal differ
AttributeMicrosoft TeamsOneSignal
Pricing modelsubscriptionfreemium
PlatformsWeb, Windows, macOS, iOS, AndroidWeb
Founded1975Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Microsoft Teams

  • Chat & channels
  • Video conferencing
  • Screen sharing
  • File collaboration
  • Office integration
  • Live events
  • Phone system
  • Apps & workflows

Only in OneSignal

Nothing recorded that Microsoft Teams does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Microsoft Teams

  • Remote meetingsnot OneSignal
  • Team collaborationnot OneSignal
  • Document sharingnot OneSignal
  • Project managementnot OneSignal
  • Webinarsnot OneSignal

OneSignal

No use cases recorded yet. See the OneSignal review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Microsoft Teams

  • Resource-heavy application; slow to load and consumes significant CPU/memory compared to alternatives
  • Limited channel structure; maximum of 200 public and 30 private channels per team
  • Cannot invite guest users to specific channels; guest access grants full team visibility
  • Unable to chat during screen sharing; limits real-time collaborative communication
  • Limited customization options for branding and interface; cluttered UX compared to Slack
  • Channels cannot be moved between teams; requires manual replication for reorganization

OneSignal

  • Free plan email sends cap at 10,000 per month and web push is capped at 10,000 subscribers per send, per onesignal.com/pricing (Aug 2026)
  • Professional and Enterprise plans require custom annual contracts with no published rate, per onesignal.com; SMS/RCS messaging and dedicated IPs are gated behind the Professional tier

Pricing, plan by plan

Microsoft Teams

Free
  • FreeFree
    • Unlimited chat
    • 100 participants in meetings
    • 5GB file storage
  • Microsoft Teams Essentials$4/month
    • 300 participants in meetings
    • 10GB cloud storage
    • Phone & web support
  • Microsoft 365 Business Basic$6/month
    • Everything in Essentials
    • 1TB OneDrive storage
    • Web & mobile Office apps
  • Microsoft 365 Business Standard$12.5/month
    • Everything in Basic
    • Desktop Office apps
    • Webinar hosting

OneSignal

Free

No published plan breakdown. See the OneSignal review.

Which should you pick?

Choose Microsoft Teams if

  • You need chat & channels.
  • You want to start without paying.
  • You work on Web, Windows, macOS, iOS, Android.
  • You also want video conferencing.
Microsoft Teams review

Choose OneSignal if

  • You want to start without paying.
OneSignal review

Questions people ask

Is Microsoft Teams or OneSignal better?
Neither clearly leads. Microsoft Teams starts at Free and OneSignal at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Microsoft Teams or OneSignal?
Microsoft Teams starts at Free and OneSignal at Free.
Does Microsoft Teams or OneSignal run on more platforms?
Microsoft Teams runs on Web, Windows, macOS, iOS, Android. OneSignal runs on Web.
Can I use Microsoft Teams for free?
Both have a free tier, so you can try either at no cost before committing.
What is Microsoft Teams best used for?
Microsoft Teams is most often used for remote meetings, team collaboration, document sharing, project management. Of those, remote meetings and team collaboration are not what OneSignal is typically brought in for.
What can Microsoft Teams do that OneSignal cannot?
Microsoft Teams covers Chat & channels, Video conferencing, Screen sharing, File collaboration.

Answered from the vendors’ own pages

Microsoft Teams: Does Microsoft Teams have a free tier?

Yes. Microsoft Teams offers a free Home tier with unlimited chat, 60-minute group meetings for up to 100 people, 5GB cloud storage, and basic file sharing, though limits are restrictive for growing teams.

Source
Microsoft Teams: What are Microsoft Teams' paid plans?

Microsoft Teams Essentials costs $4/user/month (chat, calling, meetings, 10GB storage). Microsoft 365 Business Basic costs $7/user/month (includes desktop Office apps, 1TB storage). Premium plans with Copilot start at $23.50/user/month.

Source
Microsoft Teams: What are Microsoft Teams' primary features?

Teams provides real-time chat, video and voice calling, meetings with up to 300 participants, file sharing and storage integration with OneDrive, recording and transcripts, and deep integration with Microsoft 365 apps (Word, Excel, PowerPoint, Outlook).

Microsoft Teams: What integrations does Teams support?

Microsoft Teams integrates with calendar apps (Outlook, Google Calendar), project management tools (Trello), and works with Zapier for custom workflow automation. Teams also has native connectors to many Microsoft 365 apps and third-party services.

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Related pages

More on Microsoft Teams

More on OneSignal

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