AI-powered vocabulary flashcard maker with spaced repetition — turn articles, PDFs, and

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July 15, 2026

2026 Rank: #2142

Words on Repeat

Switzerland Flashcards

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AI-powered vocabulary flashcard maker with spaced repetition — turn articles, PDFs, and

API Language Learning No Sign-Up Vocabulary Building Spaced Repetition MultilingualFree + from $4.92/mo

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Overview

Words on Repeat extracts vocabulary from anything you read or watch. Paste a URL, upload a PDF, or import YouTube subtitles - AI generates flashcards with translations, example sentences, and grammar notes. Reviews are scheduled using the FSRS spaced-repetition algorithm for optimal long-term retention. Supports 50+ languages, multiple card types (Q&A, cloze, multiple choice), quiz games, crossword puzzles, and a public deck marketplace.
Free tier includes 10 decks, 1,000 words, and 5 AI extractions/month. No signup wall — the landing page and free tools are fully accessible.

Supported features

Key Features

Ai Vocabulary Extraction From Text, Urls, Pdfs, Youtube
Fsrs Spaced Repetition Algorithm
50+ Language Pairs
Multiple Card Types: Q&a, Cloze, Multiple Choice
Quiz Games & Crossword Puzzles
Public Deck Marketplace
Pwa With Offline Support & Push Notifications
Rest Api For Developers
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Releases

Words on RepeatInitial

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Initial release

July 15, 2026

Initial release of Words on Repeat.

Author

palachdigital

@palachdigital

I'm Piotr, an indie developer building Words on Repeat, a free vocabulary-learning app that uses FSRS spaced repetition and AI to turn YouTube videos and any text into flashcard decks. I'm focused on making science-backed vocabulary learning effective and accessible without a paywall.

wordsonrepeat.com

🇨🇭 Switzerland

Stats

1 tool

Beginner

Joined: June 2026

Pricing

Pricing model

Freemium

Paid options from

$4.92/month

Billing frequency

Monthly

Refund policy

7-day money-back guarantee

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Flashcards Words on Repeat

Switzerland Flashcards

103

Overview Releases Alternatives Pricing Pros & Cons Prompts Reviews Q&A

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Pros and Cons

Pros

Seamless vocabulary building

Content repurposing for flashcards

Pulls key vocabulary from content

Generates flashcards with translations

Employs FSRS spaced repetition

Schedules reviews based on memory

YouTube subtitles learning

Multiple study modes

Quiz games for learning

Understanding through recall modes

Curated language decks

Spans 12 languages

Caters all CEFR levels

Supporting material with every word

Deck management functionality

Deck sharing capability

An app for any device

Grammar notes for each word

Grammar cards for understanding

Applicable to different content formats

Curated decks for language learning

Study-ready vocabulary deck

Recall mode with typed answer

Printable tests for offline practice

Data export capability

Unlimited decks in Free plan

Push notifications for studies

No credit card required for free plan

Direct installation on devices

Works on browser

Feels like a native app

URL import functionality

YouTube import functionality

Daily study goals

Robust progress tracking

Separate decks for different languages

Deck wise progress stats

Light and dark themes

Anki deck import/export support

Full analytics in Pro plan

Supports any language pair

Official curated decks offered

Daily review target mechanism

Enabled push notifications

One-click content to flashcards

Organized content into multiple decks

View 41 more pros

Cons

Limited supported languages

May lack genre-specific decks

Ceiling on CEFR coverage (A1-C2)

Q&A

What content can you repurpose into flashcards on Words on Repeat?

You can repurpose content into flashcards on Words on Repeat from a URL, a PDF document or YouTube subtitles.

How does Words on Repeat use AI to generate vocabulary flashcards?

Words on Repeat uses AI to scrutinize content, pull out key vocabulary, and generate flashcards complete with translations and example sentences.

What is the FSRS Spaced repetition algorithm used on Words on Repeat?

The FSRS Spaced repetition algorithm on Words on Repeat is used to facilitate memory retention. It schedules reviews based on the user's memory patterns.

How can users learn vocabulary from YouTube videos on Words on Repeat?

Users on Words on Repeat can learn vocabulary from YouTube videos by pasting a video URL and studying vocabulary directly from the video subtitles.

What study modes and quizzes are available on Words on Repeat?

Words on Repeat provides various study modes and quizzes to cater to different learning preferences. These include standard flashcards, reverse mode, recall modes as well as eight quiz games which include match, write, multiple choice, race, sentence builder, fill-in-the-blank, listening, and crossword.

What is the recall mode on Words on Repeat?

The recall mode on Words on Repeat is a study mode where you have to type the answer from memory.

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What are curated decks on Words on Repeat?

Curated decks on Words on Repeat are collections specifically designed for language learning. They span across 12 languages and cater to all Common European Framework of Reference (CEFR) levels.

How many languages does Words on Repeat support?

Words on Repeat supports 12 languages. These include Spanish, French, German, Italian, Portuguese, Dutch, Polish, English, Japanese, Korean, Chinese, and Swiss German.

What is the CEFR level?

The CEFR level refers to the Common European Framework of Reference for Languages, an international standard for describing language ability.

What supporting materials are provided for each word on Words on Repeat?

On Words on Repeat, each word comes with supporting materials such as an example sentence, translation, grammar notes, and grammar cards.

What are the decking management and deck sharing features on Words on Repeat?

Deck management on Words on Repeat allows users to create separate decks for different languages, topics, or difficulty levels. Each deck has its own vocabulary, review schedule, daily goal and progress stats. The deck sharing feature allows users to share their decks with others.

Can Words on Repeat be installed as an app on any device?

Yes, Words on Repeat can be installed as an app on any device including phones, tablets and desktops.

What are the main features of the Words on Repeat AI Vocabulary Flashcard Maker?

The main features of the Words on Repeat AI Vocabulary Flashcard Maker are the ability to turn any content you read or watch into a vocabulary flashcard, the AI-powered extraction of vocabulary from the content, the FSRS spaced repetition algorithm for effective memory retention, various study modes and quizzes, deck management, curated decks across 12 languages and all CEFR levels, and grammar learning support.

How can I generate flashcards from a PDF on Words on Repeat?

To generate flashcards from a PDF on Words on Repeat, you need to upload the PDF. The AI will then extract vocabulary from the content and generate flashcards with translations and example sentences.

In what ways does Words on Repeat facilitate memory retention?

Words on Repeat facilitates memory retention by employing the FSRS Spaced repetition algorithm. This algorithm schedules vocabulary reviews based on the user's memory patterns, ensuring the user studies what they need, when they need it.

What types of content can I turn into vocabulary flashcards on Words on Repeat?

On Words on Repeat, you can turn different types of content into vocabulary flashcards, including content extracted from a URL, a PDF document, or YouTube subtitles.

How does Words on Repeat assist in effective language learning?

Words on Repeat assists in effective language learning by enabling the user to repurpose different types of content into vocabulary flashcards, offering curated decks for specific languages and CEFR levels, and scheduling reviews based on the user's memory patterns.

What are the quiz games available on Words on Repeat?

Words on Repeat offers eight quiz games to make learning interactive. These include Match, Write, Multiple choice, Race, Sentence builder, Fill-in-the-blank, Listening, and Crossword.

Is there a limit to how many decks I can have on Words on Repeat?

On Words on Repeat, there is no limit to how many decks you can have. The Free plan gives you unlimited decks.

Is there grammar learning support on Words on Repeat?

Yes, there is grammar learning support on Words on Repeat. Every word comes with an example sentence, translation, grammar notes, and grammar cards.

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palachdigital

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