Errorly: Mistake Tracker

Capture study mistakes and revisit them in focused sessions with Errorly. Scheduled reviews help you work on exactly what needs improvement. Works offline with no account, advertisements or behavioral tracking. Your learning data stays on your device. Errorly helps you capture the mistakes you make while studying and turn them into short, focused review sessions. Instead of creating huge flashcard collections, you concentrate on exactly what needs improvement. LEARN FROM YOUR OWN MISTAKES Save the question or topic, the correct answer, and the reason the mistake happened. Errorly builds a personal mistake library that becomes more useful every time you study. REVIEW AT THE RIGHT TIME A simple spaced-review system schedules mistakes after 1, 3, 7, and 14 days. Correct answers move you forward. If you make the same mistake again, it returns for another focused review. UNDERSTAND WHY YOU WERE WRONG Was it a knowledge gap, a careless mistake, a misunderstanding, or a memory problem? Tracking the cause helps you recognize patterns and improve the way you learn. STAY FOCUSED • Quick and distraction-free review sessions • Clear overview of due, active, and mastered mistakes • Progress and mistake-cause statistics • Useful example entries for an easy start • Suitable for school, university, vocational training, languages, and exam preparation PRIVATE AND OFFLINE Your learning data stays on your device. Errorly works offline and requires no account. There are no advertisements and no behavioral tracking. FREE TO TRY Use Errorly free with up to 25 active mistakes and unlimited scheduled reviews. A fair one-time purchase unlocks unlimited mistakes plus JSON export and import. No subscription and no manipulative purchase prompts. Stop repeating the same mistakes. Understand them, review them, and turn them into knowledge that lasts.