Orendy
Learn and never forget!
Orendy is the flashcard app that blends simplicity with powerful features. With advanced tools, a smooth interface, and total freedom in how you study, everything is designed to help you learn faster, smarter, and stress-free.
Coming soon to iPhone and iPad
Never lose what you've learned
Orendy is built to make knowledge stick. Combine classic memorization with matching, quizzes, or writing answers in a clear, elegant structure that adapts to any subject and your personal pace.
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Powerful, varied tools that challenge your memory in multiple ways.
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Study sessions that fit your energy: quick reviews when you're short on time, spaced repetition for long-term retention, or free review for maximum flexibility.
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A clear and flexible organization: folders, decks, and smart groupings (favorites, difficult, or recent cards). And when you need something right away, a fast, complete search tool.
Always at your own pace
Orendy tracks your progress without pressuring you. The daily series is there to encourage you, but you can pause the entire app whenever you need a break. Everything is designed to support you, not to create artificial constraints.
Key highlights
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Spaced repetition tailored to each deck, so you focus on the right material at the right time.
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A fast and powerful search to find any content instantly.
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A fully customizable interface: choose your colors, light or dark mode, and make Orendy truly yours.
Orendy: The essentials
Learn with method, freedom, and peace of mind—without artificial pressure or rigid schedules. Orendy is the perfect study companion.
Smart spaced repetition without rigid calendars or overwhelming card piles
Each subject moves at its own pace, independently of the others
Multiple learning modes: quiz, writing, matching, or Zen review
Enriched cards: text, images, variations, examples, notes, and tags
Flexible organization: favorites, smart groups, powerful search
Built-in vacation mode: pause anytime without losing progress
Works offline, no account or sign-in required
iCloud sync across all your iPhone and iPad devices
Active, personalized learning
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Varied review modes: flashcards, quizzes, matching, writing - four ways to test your memory, matched to your energy level.
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Rich content: text, images, variations, examples, tags, and even a deck notepad to summarize your course.
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Flexible organization: favorites, automatic grouping of tough cards, instant search - always find exactly what you need.
Your data stays yours
No account, no signup required: Orendy works right away and keeps your data on your device. If you want, you can enable iCloud sync to access your decks and progress everywhere.
Always available, even offline
On the train, traveling, or without internet, you still have access to all your cards and study modes. The app is designed to go with you everywhere.
A distraction-free study space
No intrusive reminders, no guilt-tripping streaks: you move at your pace, in a clear and calm environment that respects your energy and keeps you focused.
Frequently Asked Questions
Want to know more before you start? Here are the most common questions about Orendy, with straightforward answers.
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Can I use Orendy for free?
Yes! Orendy is a freemium app: right after download you get access to nearly all features, including spaced repetition and every study mode. The free version already lets you create, review, and make progress without ads or accounts. The affordable premium version simply unlocks advanced options like unlimited cards, spreadsheet import/export, and iCloud sync.
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Do I have to create all my cards myself?
Yes - and that's a core part of the learning method. Selecting a concept, rephrasing it, and organizing it into a card is already a step in memorization. Your cards reflect how you think, making them easier to recall and better suited to your needs.
To enrich your studies, every deck can start with a built-in notepad - perfect for summarizing a lesson, jotting down reminders, or keeping an overview.
And with the premium version, you can go faster by importing or exporting cards from a spreadsheet (CSV), while keeping full control of your content.
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Does Orendy use AI?
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Orendy deliberately avoids adding flashy but empty AI features that complicate the experience, raise the price, and don't truly help you learn. This also means the app works fully offline.
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Instead, Orendy includes a highly advanced smart correction engine built right in. It analyzes your answers with precision and helps you progress more effectively.
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What makes Orendy different from the rest?
Orendy stands out with its focus on flexibility, personalization, and full control over your own content. Unlike other apps, it works entirely without an account and fully offline, with optional iCloud sync if you want.
It includes a true spaced repetition system with card-level progress tracking and powerful tools: favorites, difficult cards, recent or archived decks. The structure is fully hierarchical (folders, decks, cards) and customizable, with a built-in notepad in every deck for definitions, rules, or examples.
It also emphasizes everyday ease: accept multiple correct answers, edit a card mid-exercise, use advanced search, and sort cards by date, difficulty, and more. All designed to help you learn efficiently without unnecessary pressure.
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Is Orendy available on Android?
Not yet. Orendy is currently only available on iPhone and iPad. Android, Mac, or Windows versions may come later if enough users ask for them.
Questions or need help?
Can't find what you're looking for on this page? Just use the contact form below - we'll get back to you as soon as possible.