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LMS · head to head

Google Classroom vs Stellarium

Google Classroom logo

Google Classroom

LMS

Free, easy-to-use learning management for schools

From
Free
Rated
-
Full reviewWebsite
Stellarium logo

Stellarium

Education

Free open source desktop planetarium software, distinct from the paid Stellarium Mobile Plus app

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Google Classroom no SCORM or xAPI support for tracking learning analytics; Stellarium it is desktop-only software, so it has no native touch-optimised phone interface; the similarly named mobile app is a different paid product from a different company.
  • They diverge on capability: Google Classroom covers Class management, Stellarium covers Photorealistic sky rendering.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Google Classroom and Stellarium actually diverge.

Attributes where Google Classroom and Stellarium differ
AttributeGoogle ClassroomStellarium
Pricing modelUnknownOpen source, no licence fee
PlatformsWeb, iOS, AndroidWindows, macOS, Linux
CategoryLMSEducation
Founded1998Unknown

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

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 Google Classroom

  • Class management
  • Assignments
  • Gradebook
  • Google Meet
  • Google Drive integration
  • Originality reports
  • Mobile app
  • Parent summaries

Only in Stellarium

  • Photorealistic sky rendering
  • Large object catalogue
  • Telescope control
  • Scripting engine
  • Free and open source
  • Plugin ecosystem

What people use each for

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

Google Classroom

  • Class managementnot Stellarium
  • Assignment distributionnot Stellarium
  • Gradingnot Stellarium
  • Communicationnot Stellarium

Stellarium

  • A student or educator wanting a serious, scriptable planetarium tool without a budget line itemnot Google Classroom
  • An amateur astronomer wanting telescope control from desktop software they can inspect and modifynot Google Classroom
  • Someone running a planetarium display or public astronomy event on a scripted shownot Google Classroom
  • A hobbyist who wants a large object catalogue without paying a subscription, and does not need a phone appnot Google Classroom

Where each one falls short

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

Google Classroom

  • No SCORM or xAPI support for tracking learning analytics
  • Limited quiz types, relying on Google Forms instead of native assessment tools
  • No rubric-based grading workflow for detailed feedback
  • Minimal built-in analytics and no discussion forums for asynchronous engagement
  • Tightly dependent on Google Workspace ecosystem with limited third-party integrations

Stellarium

  • It is desktop-only software, so it has no native touch-optimised phone interface; the similarly named mobile app is a different paid product from a different company.
  • As a volunteer-maintained open source project, support is community-based rather than a guaranteed commercial help desk.
  • The interface, while capable, is less immediately intuitive for a first-time user than a polished commercial phone app.
  • Telescope control and some advanced plugins require additional setup that a non-technical user may find fiddly.
  • Because it shares a name with the unrelated paid Stellarium Mobile Plus app, buyers researching pricing online can easily conflate the two products.

Pricing, plan by plan

Google Classroom

Free
  • Education FundamentalsFree
    • Classroom, Docs, Gmail, Meet, Forms, Chat
    • 100 TB pooled storage
  • Google Workspace for Education Plus$5/month
    • Advanced features
    • Dedicated support

Stellarium

Free
  • Stellarium DesktopFree
    • Full software, GPL licensed
    • No account, ads or subscription
    • Community-developed plugins

Which should you pick?

Choose Google Classroom if

  • You need class management.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want assignments.
Google Classroom review

Choose Stellarium if

  • You need photorealistic sky rendering.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want large object catalogue.
Stellarium review

Questions people ask

Is Google Classroom or Stellarium better?
Neither clearly leads. Google Classroom starts at Free and Stellarium at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Google Classroom or Stellarium?
Google Classroom starts at Free and Stellarium at Free.
Does Google Classroom or Stellarium run on more platforms?
Google Classroom runs on Web, iOS, Android. Stellarium runs on Windows, macOS, Linux.
Can I use Google Classroom for free?
Both have a free tier, so you can try either at no cost before committing.
What is Google Classroom best used for?
Google Classroom is most often used for class management, assignment distribution, grading, communication. Of those, class management and assignment distribution are not what Stellarium is typically brought in for.
What can Google Classroom do that Stellarium cannot?
Google Classroom covers Class management, Assignments, Gradebook, Google Meet. Stellarium covers Photorealistic sky rendering, Large object catalogue, Telescope control, Scripting engine.

Answered from the vendors’ own pages

Google Classroom: How much does Google Classroom cost?

Google Classroom is free with Google Workspace for Education. Advanced AI features via Gemini Pro add-on cost $24 per user per month, and Google Workspace for Education Plus costs $5-$8 per user per month.

Source
Stellarium: Is Stellarium really free?

The desktop software is free and open source under the GPL licence. The separate mobile app, Stellarium Mobile Plus, is a different paid product.

Google Classroom: What are the limitations of Google Classroom compared to full LMS platforms?

Google Classroom lacks SCORM or xAPI support, has limited quiz types relying on Google Forms, no rubric-based grading workflow, minimal built-in analytics, and no discussion forums for asynchronous student interaction.

Source
Stellarium: Is the mobile app made by the same team?

No. Stellarium Mobile Plus is built by Noctua Software, a different company, and is sold on subscription.

Google Classroom: Can Google Classroom be customized for advanced course structures?

Google Classroom is not ideal for modular or branching content and offers limited customization compared to full LMS platforms like Moodle or Canvas.

Source
Stellarium: What platforms does the free version run on?

Windows, macOS and Linux desktop.

Google Classroom: Does Google Classroom integrate with Microsoft 365 or other SIS platforms?

Google Classroom is tightly integrated with Google Workspace and depends on Google Meet. Integration with other systems like Microsoft 365 or specific SIS platforms is limited.

Source
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