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Education · Learning Growth

Quizlet

Quizlet turns any subject into flashcards, practice tests and study guides, adding an AI tutor and automatic note conversion. Students, teachers and exam candidates can study free with advertising, or ad-free through a Quizlet Plus subscription.

Active GDPR compliant Free plan · Free trial Freemium No public API 13+ Verified by Guidaio
Overview

What is Quizlet?

Quizlet is a study platform built around the flashcard. It began in 2005, when Andrew Sutherland made himself a tool to pass a French vocabulary test, and has grown into one of the most widely used learning sites in the United States, claiming 60 million monthly users and a million people a day in its Learn mode.

The starting point is a set of cards, either written by the learner or picked from the millions published by teachers, students and subject experts. Study modes are layered on top: Learn, an adaptive path that moves from multiple choice towards written recall; Test, which assembles practice papers; Match and Blast for speed drills; and Quizlet Live, a collaborative game teachers run in class.

Two features carry the AI label. Study Guides, previously called Magic Notes, takes material the learner already holds — pasted text, an uploaded file, or a document from Google Drive, up to 40,000 characters — and returns flashcards, practice tests, outlines, essay prompts and a written guide. Q-Chat is a conversational tutor built on OpenAI's ChatGPT API that questions the learner using the Socratic method instead of handing over answers; Quizlet reported more than three million conversations with it. Expert Solutions adds step-by-step worked answers to textbook exercises, restricted to English-language titles and subject to a daily cap.

Underneath sits an explicit appeal to learning science: spaced repetition governed by a Memory Score, retrieval practice, deliberate question-type design, guidance fading and goal setting, each referenced to academic literature on the site itself. Quizlet holds the Research-Based Design certification from Digital Promise.

Teachers get progress tracking and insight tools, and schools can buy in bulk through Quizlet for Schools. The service runs in a browser and as iOS and Android apps, with nineteen interface languages and twenty-six country sites. A permanent free tier is funded by advertising, while Quizlet Plus removes the ads and unlocks the advanced modes, alongside a separate teacher edition and discounted group orders.

What it does

  • Create flashcard sets on any subject, or study from the millions already published
  • Turn slides, readings and notes into flashcards, practice tests and outlines automatically
  • Sit personalised practice tests and work through the adaptive Learn mode
  • Revise on a spaced-repetition schedule tracked by a Memory Score
  • Question Q-Chat, an AI tutor that coaches using the Socratic method
  • Run Quizlet Live and Blast as collaborative revision games in class
  • Look up expert-written, step-by-step solutions to textbook exercises
Audience

When to use Quizlet / When not to

A quick filter to help you decide if Quizlet is the right fit.

When to use Quizlet

  • Students memorising vocabulary, definitions, formulas or technical terminology, whether in languages, medicine, law or the sciences
  • Candidates revising for licensing and certification exams, from driving theory and securities papers to workplace safety and nursing assessments
  • Teachers who want a classroom-ready revision activity, with Quizlet Live games and student progress tracking already built in
  • Learners who already hold course material and want lecture slides, readings or handwritten notes converted into revision material automatically
  • Anyone revising steadily over weeks rather than cramming, using spaced repetition and a Memory Score to time each review

When not to use Quizlet

  • Researchers and writers, since Quizlet is built for recall and revision rather than literature review, analysis or drafting
  • Teams that need programmatic access: the site publishes no public API and no developer documentation of any kind
  • Users outside the countries where the Q-Chat tutor operates, or below its age threshold, which is higher than the service's own
  • Institutions whose procurement requires a signed data processing agreement or a named EU representative before deployment
  • Students working from non-English textbooks, as Expert Solutions covers English-language titles only and applies a daily limit
Get started

How to use Quizlet

A typical end-to-end flow, from setup to results.

  1. Create a free account, or sign in with an existing Google, Facebook or Apple account
  2. Choose a starting point: build your own set, search the public library, or import material you already have
  3. To import, paste text, upload a file from your computer, or pick a document from Google Drive, up to 40,000 characters
  4. Let Study Guides turn that import into flashcards, practice tests, outlines and essay prompts
  5. Work through the cards in Flashcards mode to get a first pass over the material
  6. Switch to Learn, which starts with multiple choice and moves you towards written recall as you improve
  7. Sit a practice paper in Test mode once recall feels reliable
  8. Come back for the scheduled reviews and watch the Memory Score rise as recall consolidates
  9. Open Q-Chat when a concept will not stick, and let the tutor question you rather than explain at you
  10. Teachers: switch to a teacher account, launch Quizlet Live in class and follow student progress from the dashboard
Quick read

Pros & Cons

Pros

  • An enormous library of ready-made sets covering almost every subject
  • A genuinely usable permanent free plan rather than a disguised trial
  • Teaching method grounded in published learning science, cited openly on the site
  • Research-Based Design certification awarded by Digital Promise
  • Existing course material converts into revision material in a few clicks
  • Serves both solo revision and classroom use, with progress tracking for teachers
  • Low entry price, iOS and Android apps, and an interface in nineteen languages

Cons

  • The free tier is advertising-funded, with fine-grained behavioural tracking behind it
  • Content quality varies, since most sets are written by other users rather than verified
  • No public API and no developer documentation, so nothing can be automated or integrated
  • No data processing agreement is offered, and no Article 27 representative is named
  • All data is hosted in and transferred to the United States
  • Expert Solutions covers English-language textbooks only and applies a daily cap
  • Q-Chat's country, age and language limits are narrower than those of the service itself
Pricing

Pricing & Plans

A permanent free plan is available and supports the core study features, funded by advertising. The cheapest paid entry point is Quizlet Plus at USD 7.99 per month billed monthly, or USD 35.99 per year on an annual commitment, which the site presents as the equivalent of USD 2.99 per month. A seven-day free trial applies to the annual plan only. These amounts are drawn from the pricing page as last published and should be confirmed on the site before purchase.

Free
  • flashcard sets
  • search and the basic study modes
  • with advertising
Quizlet Plus for teachers
  • student progress tracking
  • class insights
  • content creation tools
  • customisable Quizlet Live and no advertising
Group and Quizlet for Schools
  • bulk orders for students
  • teachers or both
  • at increasing discounts
  • sold as a one-year subscription that does not auto-renew
Special offers — Seven-day free trial on the annual Quizlet Plus plan; the monthly plan is excluded from it · Annual billing presented as the best value, at the equivalent of USD 2.99 per month against USD 7.99 on the monthly plan · Discounted group orders for classes, departments and whole schools, with a larger discount when the order covers both teachers and students
Prices and plans listed above may evolve. Always check the official pricing page before subscribing.
Trust & Privacy

Data, GDPR & hosting

A consolidated view of how Quizlet handles your data.

GDPR overview

Implementation is concrete and documented, but incomplete. Quizlet, Inc. names itself controller under the GDPR for individuals in the EEA, the United Kingdom and Switzerland, and has certified to the US Department of Commerce under the EU-US Data Privacy Framework, its UK Extension and the Swiss-US Data Privacy Framework. International transfers rely on those frameworks or on Standard Contractual Clauses approved by the European Commission. Rights of access, rectification, erasure, portability and objection are each set out, with a dedicated channel at privacy-eu@quizlet.com and unresolved complaints referred free of charge to JAMS, the Federal Trade Commission acting as enforcement authority. Two gaps stand out: no Article 27 representative and no data protection officer is named anywhere in the policies, and no data processing agreement is offered, including on the schools page.

Who owns the data?

Quizlet, Inc. acts as the data controller under the GDPR for individuals in the EEA, the United Kingdom and Switzerland. Users create the study material themselves, from flashcard sets to uploaded notes, and decide whether it stays private or is visible to other members. They may review, edit or delete that content at any time with the tools provided, and can close the account entirely from Settings, at which point the content they created is deleted in line with Quizlet's retention policies. Rights of access, rectification, erasure, portability and objection are documented for European users and exercised through a dedicated address, privacy-eu@quizlet.com.

Reuse rights

The terms give end users no free rein over other people's material. Sets published by teachers, students and experts can be studied and copied into a learner's own workspace through the product's own features, but the Honor Code limits what that material may be used for: it exists to support learning, not to supply answers for work that will be handed in, and an institution's own rules take precedence. Quizlet, for its part, uses account and usage data to run the service, to market it, to serve targeted advertising, to measure audiences, to prevent fraud and to meet legal obligations, and shares it with named service providers. Nothing in the published pages states whether user content feeds AI model training, and no opt-out is documented either way.

Data retention & training

Retention summary
Quizlet keeps personal information for as long as the account is active, or as long as needed for legitimate business purposes or to meet legal and document-retention obligations. Once those conditions no longer apply, the information is removed through the company's standard deletion processes. Data that has been de-identified, aggregated or anonymised may be kept indefinitely. Records of support tickets, survey responses, feedback and comments are also kept indefinitely, and Quizlet reserves the right to publish those communications. Users may delete their account at any time from Settings, which deletes the content they created according to the same retention policies. European users hold a right to erasure, which is not absolute. No specific retention period is published in figures.
Subprocessors disclosed
Yes
GDPR contact

Hosting summary

Data is hosted and processed in the United States, under US jurisdiction. Quizlet publishes a named list of third-party providers, which identifies Google Cloud Platform as the host of the site's content and traffic data, with encryption of data written to disk, Amazon Web Services for compressed database archives and image serving, and Cloudflare for network infrastructure. Google, Facebook and Apple appear as federated login providers. The privacy policy states plainly that, because the company operates in the United States, personal information may be transferred there from the EEA, the United Kingdom and Switzerland, and warns that the destination may not offer equivalent protection and that data held in the US can be subject to lawful requests from courts or law enforcement. Those transfers are covered by the EU-US, UK Extension and Swiss-US Data Privacy Frameworks or by Standard Contractual Clauses. No hosting country other than the United States is named, and no hosting region is identified as such. The provider list itself carries a last-modified date of August 2019, so its contents may no longer be current.

Hosting countries
🇺🇸 United States
Watch-outs

Things to keep in mind

Risks and trade-offs to weigh before adopting Quizlet.

  • Most sets are written by other learners, so an error copied from a popular set is repeated by everyone who studies it: verify before an exam depends on it
  • Flashcards reward recognition and recall, and leaning on them alone can crowd out the harder work of understanding and applying a subject
  • The Honor Code exists for a reason: using generated answers or expert solutions for work that will be handed in can breach an institution's rules
  • Subscriptions renew automatically, including at the end of the seven-day trial, and the monthly plan carries no trial at all
  • Behavioural data is collected in detail and used for targeted advertising, with email addresses or phone numbers converted into advertising identifiers by third-party vendors
  • Support tickets, survey responses and feedback are retained indefinitely, and Quizlet reserves the right to publish those communications
  • An AI tutor that always has time and never judges is easy to over-rely on, and its answers are not verified by a teacher
Setup

Setup & Integrations

Technical difficulty

Very low. There is nothing to install and nothing to configure: create a free account, or sign in with Google, Facebook or Apple, and study straight away in the browser. Mobile use means installing the iOS or Android app. Material is imported by pasting text, uploading a file or picking a document from Google Drive. There is no API, no connector and no technical setup of any kind. For schools, deployment is a bulk purchase rather than an integration project, so the effort is administrative rather than technical.

Deployment

Web appMobile appIOS appAndroid app

Apps stores

Integrations

OpenAI Google Drive Google Facebook Apple

Supported languages

EnglishGermanSpanishFrenchIndonesianItalianDutchPolishPortugueseRussianTurkishUkrainianVietnameseKoreanChineseJapanese
Company

Behind Quizlet

Company name
Quizlet, Inc.
Founded
25/01/1999
Country of origin
🇺🇸 United States
Headquarters
123 Townsend Street, Suite 600, San Francisco, CA 94107, USA
UBO
INFORMATION_NOT_FOUND
UBO country
INFORMATION_NOT_FOUND
Domain registrar country
🇺🇸 United States
Support contact

Fundraising

Series A, December 2015: approximately USD 12 million, led by Union Square Ventures and Costanoa Ventures
Series B, 2018: approximately USD 20 million, led by Iconiq/Icon Ventures
Series C, May 2020: USD 30 million led by General Atlantic, at a valuation of around USD 1 billion
Total raised: approximately USD 62 million across four rounds
Named investors: General Atlantic, Union Square Ventures, Costanoa Ventures, Icon/Iconiq Ventures and Owl Ventures, several of whose logos appear in the 'Our investors' section of the company's own about page
Figures come from third-party financial sources rather than from Quizlet itself and warrant human verification

Social

Official links

Resources

All the official URLs gathered for verification and reference.

FAQ

Frequently asked questions

Is Quizlet free to use?
Yes. A permanent free plan gives access to flashcard sets, search and the basic study modes, funded by advertising. A Quizlet Plus subscription removes the advertising and unlocks the advanced study modes and AI features.
How much does Quizlet Plus cost?
According to the pricing page as last published, Quizlet Plus costs USD 35.99 per year, presented as the equivalent of USD 2.99 per month, or USD 7.99 per month if billed monthly. Confirm the current amounts on the site, as the published page is not recent.
Is there a free trial?
Yes, a seven-day free trial, but only on the annual plan. The monthly plan is explicitly excluded from it. Billing begins at the end of the trial unless the subscription is cancelled first, and subscriptions renew automatically.
What is the minimum age to use Quizlet?
The service is intended for users over 13 but is open to all ages. Below that threshold, or below the local age of consent, Quizlet offers a restricted feature set with certain functions removed, and parental consent applies to child accounts.
What is Q-Chat and how does it work?
Q-Chat is an AI tutor built on OpenAI's ChatGPT API. It uses the Socratic method, questioning the learner to encourage critical thinking rather than supplying answers directly. Availability is limited by country, by age and to three languages.
Can I turn my own notes into revision material?
Yes, through Study Guides, formerly called Magic Notes. Paste text, upload a file from your computer or select a document from Google Drive, up to 40,000 characters, and the tool returns flashcards, practice tests, outlines and essay prompts.
Are there mobile apps?
Yes, Quizlet publishes apps for both iOS and Android in addition to the web version. The same account and study material are available across all three.
Where is my data hosted?
In the United States. The published list of third-party providers names Google Cloud Platform as the host of site content and traffic data, with Amazon Web Services used for backups and Cloudflare for network infrastructure.
Is Quizlet GDPR compliant?
Quizlet names itself as data controller and has certified under the EU-US Data Privacy Framework, its UK Extension and the Swiss-US Data Privacy Framework, using Standard Contractual Clauses for transfers. However, no Article 27 representative or data protection officer is named, and no data processing agreement is offered.
Does Quizlet offer an API?
No. No API documentation, developer portal or equivalent appears anywhere on the site's navigation or footer, so the platform cannot be integrated programmatically into another system.
Conclusion

Should you pick Quizlet?

Quizlet has aged well. What began as a vocabulary drill in 2005 is now a broad revision platform, and the AI layer added on top, Q-Chat for Socratic tutoring and Study Guides for turning existing material into practice, sits on foundations that were already sound rather than replacing them. The appeal to learning science is unusually explicit for a consumer product, complete with citations and an independent Research-Based Design certification, and the free tier is genuinely usable rather than a disguised trial.

The reservations concern data, and edges. The free experience is advertising-funded, and the privacy policy is candid about what that entails: fine-grained behavioural collection, audience segments, and email addresses or phone numbers converted into advertising identifiers by third-party vendors. Do not track signals are not honoured. Support conversations are kept indefinitely, with a reserved right to publish them. Everything is hosted and processed in the United States under Data Privacy Framework certification and Standard Contractual Clauses, which are solid mechanisms, but no Article 27 representative is named, no data protection officer is identified, and no data processing agreement is offered. That will matter to European schools far more than to individual learners.

Content quality varies because most of it is written by other users, so a set found through search deserves a check before an exam depends on it. Expert Solutions covers English-language textbooks only. Q-Chat's country, age and language limits, as last documented, are narrower than those of the service around it.

For memorisation and exam preparation at this price, Quizlet remains an obvious choice for students and a practical one for teachers. For institutional deployment with procurement requirements, or for any workflow that needs an API, it is the wrong tool.