Softwr

LMS · head to head

ClassDojo vs Sakai

ClassDojo logo

ClassDojo

LMS

Build amazing classroom communities

From
Free
Rated
-
Full reviewWebsite
Sakai logo

Sakai

LMS

Open source learning management system governed by the Apereo Foundation

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ClassDojo the AI homework helper, the 2,000 plus digital book library, detailed progress reports, memory albums and calendar sync are all restricted to the paid ClassDojo Plus subscription; Sakai the zero licence fee is misleading: running Sakai needs Java operations, database administration and upgrade testing capacity, and universities that costed only the hardware have ended up paying a hosting partner anyway.
  • They diverge on capability: ClassDojo covers Behavior tracking, Sakai covers Course sites.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which ClassDojo and Sakai actually diverge.

Attributes where ClassDojo and Sakai differ
AttributeClassDojoSakai
Pricing modelfreemiumOpen source, no licence fee
PlatformsWeb, IOS, AndroidWeb, Linux, iOS, Android
Founded2011Unknown

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

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 ClassDojo

  • Behavior tracking
  • Parent messaging
  • Class story
  • Student portfolios
  • Dojo points
  • Translation
  • School story
  • Mobile app

Only in Sakai

  • Course sites
  • Tests and Quizzes
  • Gradebook
  • Lessons
  • Assignments
  • Forums and messaging
  • LTI support
  • Self-hosting

What people use each for

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

ClassDojo

  • classroom communication and behavior trackingnot Sakai
  • teacher-parent communicationnot Sakai
  • student engagement toolsnot Sakai

Sakai

  • A university whose data protection policy or national regulation requires student coursework to stay on institution-controlled infrastructure inside a specific jurisdiction.not ClassDojo
  • An institution that has been repriced twice by a commercial LMS vendor after ownership changes and wants a platform with no owner to sell it.not ClassDojo
  • A university with an existing Java and Tomcat operations team, where the marginal cost of running one more Java application is genuinely low.not ClassDojo
  • A consortium of institutions sharing one deployment and one set of local integrations rather than each paying separate per-student licences.not ClassDojo

Where each one falls short

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

ClassDojo

  • The AI homework helper, the 2,000 plus digital book library, detailed progress reports, memory albums and calendar sync are all restricted to the paid ClassDojo Plus subscription
  • ClassDojo Plus is sold to families rather than to schools, so parents pay for the premium tier
  • The Plus page publishes no monthly or yearly price, only a 7 day free trial
  • No pricing is published for the school leader or district offerings

Sakai

  • The zero licence fee is misleading: running Sakai needs Java operations, database administration and upgrade testing capacity, and universities that costed only the hardware have ended up paying a hosting partner anyway.
  • The third-party teaching tool ecosystem builds and tests for Canvas first, so Sakai adopters do their own LTI integration work and occasionally wait for a vendor to certify against a platform it does not prioritise.
  • Because governance is a foundation of member institutions rather than a company, a feature only gets built if some institution funds an engineer to build it, so roadmap commitments are weaker than a vendor contract provides.
  • The interface, while improved through the version 20 to 25 cycle, still reads as older than Canvas or Brightspace, and academic staff who have used a commercial LMS elsewhere notice it immediately.
  • Adoption is concentrated in specific regions and sectors, so the pool of people who have run Sakai in production is small, making it harder to hire an administrator than for Moodle or Canvas.

Pricing, plan by plan

ClassDojo

Free
  • FreeFree
    • Behavior points
    • Messaging
    • Class story
  • Plus$7.99/month
    • All free features
    • Beyond School
    • Dojo Islands
  • School$undefined/month
    • School story
    • Admin tools
    • Analytics

Sakai

Free
  • SakaiFree
    • Educational Community Licence, no licence fee
    • Full source on GitHub
    • Community support through Apereo lists and Jira
  • Commercial hosting and support$undefined/year
    • Provided by Apereo affiliates such as Longsight
    • Hosting, upgrades, backups and support
    • Quoted per institution, commonly by student headcount

Which should you pick?

Choose ClassDojo if

  • You need behavior tracking.
  • You want to start without paying.
  • You work on Web, IOS, Android.
  • You also want parent messaging.
ClassDojo review

Choose Sakai if

  • You need course sites.
  • You want to start without paying.
  • You work on Web, Linux, iOS, Android.
  • You also want tests and quizzes.
Sakai review

Questions people ask

Is ClassDojo or Sakai better?
Neither clearly leads. ClassDojo starts at Free and Sakai at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ClassDojo or Sakai?
ClassDojo starts at Free and Sakai at Free.
Does ClassDojo or Sakai run on more platforms?
ClassDojo runs on Web, IOS, Android. Sakai runs on Web, Linux, iOS, Android.
Can I use ClassDojo for free?
Both have a free tier, so you can try either at no cost before committing.
What is ClassDojo best used for?
ClassDojo is most often used for classroom communication and behavior tracking, teacher-parent communication, student engagement tools. Of those, classroom communication and behavior tracking and teacher-parent communication are not what Sakai is typically brought in for.
What can ClassDojo do that Sakai cannot?
ClassDojo covers Behavior tracking, Parent messaging, Class story, Student portfolios. Sakai covers Course sites, Tests and Quizzes, Gradebook, Lessons.

Answered from the vendors’ own pages

ClassDojo: Is ClassDojo free?

Yes, ClassDojo core platform is free for teachers forever; the service is positioned as a free tool for educators without required payment.

Source
Sakai: Is Sakai still actively developed?

Yes. Version 25.0 shipped in 2025, 25.1 followed in November 2025, and further maintenance releases in the 25 line are planned, with commits continuing through 2026.

ClassDojo: What is ClassDojo Plus and how much does it cost?

ClassDojo Plus is the premium tier; specific pricing details are not published on the ClassDojo website and require direct inquiry with the company.

Source
Sakai: Who owns Sakai?

No company does. Governance sits with the Apereo Foundation, a membership organisation of institutions, and the code is under the Educational Community Licence.

ClassDojo: Are parents charged to use ClassDojo?

ClassDojo does not charge parents for the service; the free platform includes parent-teacher communication features at no cost to families.

Source
Sakai: What does it actually cost to run?

The software is free. The cost is Java hosting and staff, or a commercial hosting agreement with an Apereo affiliate such as Longsight, typically quoted by student headcount.

ClassDojo: Why is ClassDojo free if there's a premium tier?

ClassDojo offers free core features to teachers to drive adoption; premium features for advanced needs or professional development are available as paid add-ons.

Source
Sakai: How does it compare to Moodle?

Moodle has a far larger plugin ecosystem and installed base; Sakai has a cleaner assessment and gradebook model and is more common in research-intensive universities. Moodle is easier to hire for.

Sakai: Can we migrate off it later?

Yes, but course content export fidelity through Common Cartridge is imperfect, so budget for manual rebuilding of assessments as you would leaving any LMS.

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