Words on Repeat

Turn any article, PDF or YouTube video into a vocabulary deck in seconds

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Screenshot of Words on Repeat, Turn any article, PDF or YouTube video into a vocabulary deck in seconds

What is Words on Repeat?

Words on Repeat is a language learning tool that turns any article, PDF or YouTube video into a vocabulary deck in seconds. An AI flashcard builder that extracts vocabulary with translations and examples from URLs, PDFs and YouTube subtitles, then schedules review with the FSRS spaced repetition algorithm.

Words on Repeat is a vocabulary study tool that takes material you already read or watch and converts it into flashcards. The core workflow is simple: paste a URL, upload a PDF, drop in raw text, or point the tool at a YouTube video, and the AI reads the source, pulls out candidate vocabulary, and attaches translations plus example sentences. A preview step lets you edit the extracted cards before they are saved to a deck, so the AI output is a starting point rather than a locked result. Importing existing Anki decks is also supported on every plan. Review is built on FSRS, a spaced repetition scheduler that adjusts intervals based on how well each word is recalled. Three study modes cover different kinds of recall: standard cards, reverse mode where the translation prompts the word, and a typing mode where the answer must be produced from memory. On top of that sit eight quiz games (matching, multiple choice, sentence building, fill in the blank, listening, crossword and others) and printable tests, which gives the product more variety than a plain SRS app. Daily review targets per deck and optional push notifications push users toward a consistent habit without marketing messages. Content is split into decks, each with its own words, review schedule, goal and statistics, so a learner can keep separate stacks for different languages, topics or difficulty tiers. Around 300 curated decks cover 12 languages with CEFR A1 to C2 coverage, grammar notes and example sentences, and beginners can use a free vocabulary size test to work out where to start. Travel phrase kits are offered as a small free side product. It competes with general spaced repetition tools and with AI flashcard generators. Its edge is the combination of both in one place, plus Anki import for people leaving that ecosystem. Its limits are that grammar, speech and course structure are thin, and several useful capabilities sit behind paid tiers.

How do you use Words on Repeat?

  1. 1Try it without an account
    Open the site and start a session with no signup to see how the study interface behaves before committing to an account.
  2. 2Create a free account
    Register to save decks, sync progress across devices and manage AI extraction credits each month.
  3. 3Check your vocabulary size
    Take the free vocabulary size test if you are unsure which CEFR level to start from.
  4. 4Build your first deck
    Paste a URL, upload a PDF, drop in text or import a YouTube link, then review and edit the AI generated cards in the preview before saving.
  5. 5Pick a public deck or a travel kit
    Browse the curated decks across 12 languages and CEFR levels, or start with a printable phrase kit if a trip is coming up.
  6. 6Set a daily goal and review
    Choose a per deck card target, enable push reminders, and study with standard, reverse or recall modes as words come due.

Pros and cons

Pros

  • AI extraction covers URLs, PDFs, pasted text and YouTube subtitles with an editable preview before savingAI
  • FSRS scheduling with three distinct study modes plus eight quiz games adds real variety to review sessionsAI
  • Free plan includes spaced repetition, quiz games, daily goals, deck sharing and Anki importAI
  • Around 300 curated decks across 12 languages with CEFR A1 to C2 grading and grammar notesAI
  • Installs as a browser based app on phone, tablet or desktop and allows data exportAI

Cons

  • Free plan caps users at 10 decks and 1,000 words with only 5 AI extractions per monthAI
  • YouTube import and Anki export are locked behind Pro tiers, so the headline video feature is not freeAI
  • Only 12 curated languages are covered and other language pairs depend on user created decksAI
  • Progress tracking is described only as full analytics on paid plans, so free users get limited insightAI
  • No native app store presence, so offline use and background behaviour depend on the browserAI

How much does Words on Repeat cost?

Free trial

The Free tier is available immediately without a credit card and includes 5 AI extractions per month, so the core workflow can be tested before paying.

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Pricing

A Free plan covers 10 decks, 1,000 words, spaced repetition, quiz games, daily goals, notifications, deck sharing and 5 AI extractions per month, with no credit card required. Pro and Pro Max add unlimited decks and words, more AI extractions, YouTube import, Anki export and full analytics. Exact prices are on the pricing page.

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Support

Help is provided through a documentation guide, a contact page and a public GitHub repository. No live chat or phone support is mentioned on the homepage.

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Integrations

Anki import works on all plans and Anki export requires Pro or Pro Max. YouTube video links are accepted as an import source on paid tiers. No other third party integrations are described on the homepage.

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Features

AI extraction from URLs, PDFs, pasted text and YouTube subtitles with an editable preview; FSRS spaced repetition; standard, reverse and recall study modes; eight quiz games; printable tests and a timed 20 question practice test; around 300 curated decks across 12 languages at CEFR A1 to C2; per deck daily goals, push reminders, dark mode and Anki import and export.

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Frequently asked questions about Words on Repeat

  • How much does Words on Repeat cost?
    A Free plan covers 10 decks, 1,000 words, spaced repetition, quiz games, daily goals, notifications, deck sharing and 5 AI extractions per month, with no credit card required. Pro and Pro Max add unlimited decks and words, more AI extractions, YouTube import, Anki export and full analytics. Exact prices are on the pricing page.
  • Does Words on Repeat offer a free trial?
    The Free tier is available immediately without a credit card and includes 5 AI extractions per month, so the core workflow can be tested before paying.
  • How do you use Words on Repeat?
    The walkthrough on this page covers 6 steps: 1. Try it without an account 2. Create a free account 3. Check your vocabulary size 4. Build your first deck 5. Pick a public deck or a travel kit 6. Set a daily goal and review.
  • What platforms does Words on Repeat support?
    Words on Repeat is available on Web App, iOS, Android, MacOS and Windows.
  • What does Words on Repeat integrate with?
    Anki import works on all plans and Anki export requires Pro or Pro Max. YouTube video links are accepted as an import source on paid tiers. No other third party integrations are described on the homepage.
  • What are the limitations of Words on Repeat?
    Free plan caps users at 10 decks and 1,000 words with only 5 AI extractions per month. YouTube import and Anki export are locked behind Pro tiers, so the headline video feature is not free. Only 12 curated languages are covered and other language pairs depend on user created decks.

Status

StatusActive
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Added10/21/2026

Platforms

Web AppiOSAndroidMacOSWindows

Pricing

FreeFreemiumSubscription

Categories

Language LearningLearningURL Into NotesVideo NotesEducationProductivity