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Source-backed analysis9

Review basis

Research-based review: the AppDuo Editorial Team compiled it from official pages, documentation, app stores, press and user feedback, without hands-on testing. Every claim links to a source with the date it was checked.

9 reference sources

Information updated Nov 11, 2026

How we review
ClassDojo logo

ClassDojo Review

Teacher-parent-student communication app with a free core

Editorial Team7.6/10Write the first review

By Official AppDuo editorial team · Updated

  • iOS
  • Android
  • Web
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Decide at a glance

Our verdict

ClassDojo suits primary-school classes that need a parent channel, auto-translated messages and behaviour points, and the core costs nothing. The trade-offs are researcher criticism of behaviour points and children's data, and a Plus price the official site does not publish.

Best for: Primary teachers who need multilingual parent communication

Skip it if: Schools that need a full learning management system

Pros

  • Messages auto-translated into 190+ languages
  • Free core; teacher accounts cost nothing
  • Rated 4.8/5 on both the App Store and Google Play

Cons

  • No Plus price on the official site; App Store prices lack billing periods
  • Researchers have criticised its behavioural data and point rankings
All pros and cons · Who is it for?

Pros

  • Per its policy: iKeepSafe Safe Harbor (COPPA) member and iKeepSafe FERPA certified

Cons

  • Support is mainly via help center and request form

Best for

  • Families who want classroom photos and homework help

Experience & key features

What ClassDojo is

ClassDojo is a platform for teachers, families and students, launched in 2011 by Sam Chaudhary and Liam Don. Its homepage says more than 45 million students and parents use it, and teacher accounts are free. The app is on the App Store and Google Play (50M+ downloads per Google Play), with web logins for teachers and parents.

Key features

Key features include messaging auto-translated into 190+ languages, Stories for sharing photos and videos with families, an events calendar with automatic reminders, Points and Big Ideas for social-emotional learning, student portfolios and a teacher toolkit with attendance sheets and timers. Per the privacy policy, teachers can also turn on Sidekick Live, which transcribes classroom audio; ClassDojo says it keeps only the text, not a recording.

Pricing and value

Plus is a family plan with a 7-day trial covering Homework Helper, Magic Books, progress reports, Memories and calendar sync, shareable with up to 3 other adults. The Plus page shows no price and stresses that the core stays free. The US App Store lists "ClassDojo Plus Basic" in-app purchases from $6.99 to $69.99 without saying which are monthly or yearly, so check the price shown in the app for your region before subscribing.

More analysis

Versus alternatives

Compared with Google Classroom or Seesaw, ClassDojo leans toward parent communication and classroom behaviour rather than assignments and grading, so it usually sits alongside a learning management system rather than replacing one. Before a school-wide rollout, read the debate over children's behavioural data in the controversies section below.

Screenshots

ClassDojo Plus feature image from the official page
ClassDojo Plus feature image from the official page
Second feature image on the ClassDojo Plus page
Second feature image on the ClassDojo Plus page

Plans & pricing

Prices last verified Nov 11, 2026

Free

Business

Free

Teachers use it free; per the official page, messaging with teachers, class points and Class Story are always free.

Plus

Personal

Contact sales

Paid family plan: Homework Helper, Magic Books, progress reports, Memories, calendar sync, shareable with up to 3 other adults. The Plus page shows no price; the US App Store lists "ClassDojo Plus Basic" in-app purchases from $6.99 to $69.99 without stating billing periods.

Free plan limits
Messaging with teachers, class points and Class Story stay free.
Free trial
7-day free trial · no credit card
Cancellation & refunds

Plus can be cancelled at any time; the official page does not mention refunds.

Privacy

The privacy policy (updated 27 August 2026) says ClassDojo will "never sell or rent" personal information and that student data is never used for third-party advertising. Feedback Points older than 12 months are automatically deleted or de-identified. It participates in the iKeepSafe Safe Harbor programme (COPPA) and holds iKeepSafe FERPA certification. Its Google Play data-safety section says the app may share location, personal info and other data types with third parties. Outside researchers have raised concerns about children's behavioural data.

Official pricing page

ClassDojo alternatives

Kahoot! logo7.6/10

Kahoot!

Live quiz games for the classroom, with AI help for writing questions

Freemium
Google Classroom logo7.5/10

Google Classroom

Google’s free online classroom, tied into Drive, Docs and Meet

Freemium
All alternatives

Controversies & incidents

Issues documented by the press, regulators, courts or the vendor itself. Every item is sourced; unproven claims are labelled as allegations. Last researched: Nov 11, 2026

  • Medium impactAllegedPrivacy ·

    Researchers raise concerns over children's behavioural data

    A 4 January 2017 LSE blog post by two University of Stirling authors raised concerns about parental consent and long-term behaviour records.

    Read the full account

    Ben Williamson and Alasdair Rutherford argued that some schools do not seek informed parental consent, that new features could build a record of behaviour across schooling, and that data could pass to a new owner if the company were sold. They also said ranking children by points could add stress. The post carried no ClassDojo response.

    Sources:LSE Parenting for a Digital Future (2017-01-04)

  • Low impactResolvedPrivacy ·

    2014 privacy concerns led to policy changes

    After a late-2014 New York Times article, WNYC (1 April 2015) reported critics' concerns about a behaviour database created without parental permission.

    Read the full account

    According to WNYC, critics objected to a carrot-and-stick approach and to a behaviour database built without parental permission. ClassDojo rewrote its privacy policies, began deleting data after one year and created a privacy centre for parents. Co-founder Sam Chaudhary told WNYC "we are not a data company".

    Vendor response

    Rewrote its policies, began deleting data after one year and created a privacy center for parents.

    Sources:WNYC (2015-04-01)

Frequently asked questions

Is ClassDojo free?

Per the official site, teacher accounts are free and the core experience is always free. Plus is an optional paid family plan.

Does ClassDojo support Vietnamese?

The App Store lists Vietnamese among the app's 26 languages.

Does ClassDojo sell data?

The company's policy says it will never sell or rent personal information. This is the company's own statement, not an independent audit finding.

Can I cancel Plus?

Yes, at any time; you keep the free core.

Review evidence & sources9

Scores

Ease of use
8.4
Why this score

Auto-translation into 190+ languages and 26 interface languages per the App Store; 4.8/5 on both stores.

Features
7.8
Why this score

Messaging, Stories, events, points, portfolios; Plus adds Homework Helper and Magic Books. Not an LMS.

Value for money
7.5
Why this score

Free core for teachers and families; Plus prices appear only as App Store in-app purchases ($6.99–$69.99) with no stated billing period.

Performance
7.8
Why this score

4.8/5 on Google Play across 1.35M reviews and 4.8/5 on the App Store; no independent performance data.

Support
7.0
Why this score

Help center and request form; no source confirms chat or phone support.

Privacy & security
6.8
Why this score

No-sale pledge and iKeepSafe certification, but Google Play says the app may share location and personal info with third parties, and researchers have raised concerns about children's data.

What users say

Sources

Specs & compatibility
Developer
ClassDojo, Inc.
Headquarters
United States
Launched
2011
Category
Education

Capabilities

  • Mobile app
  • Real-time collaboration
  • AI features

Platforms

  • iOS
  • Android
  • Web

Interface languages

  • English
  • Vietnamese
  • Japanese
  • Chinese
  • Spanish
  • French
  • Korean
  • German
  • Portuguese
  • Russian
  • Thai
  • Indonesian

Integrations

  • Google Calendar
  • Apple Calendar

Support

  • Email
  • Help center

Change history

  1. Company.Series D led by Tencent at a $1.1 billion pre-money valuation, per Wikipedia.
  2. Company.Launched its first paid product, ClassDojo Beyond School.
  3. Feature.Launched Class Story for classroom photos and videos.
Full change history (4)
  1. Launch.ClassDojo launched, founded by Sam Chaudhary and Liam Don.
About the author

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