hyperglyph vs VocabSeed

Learn a language from videos you actually want to watch. Hyperglyph puts three lines of subtitle under real video — English, the original script, and the pronunciation — all in sync. Tap any word to save it. It becomes a flashcard that plays back in a real voice. WATCH SOMETHING REAL Trailers, films, interviews, anime. Bring your own from YouTube, and hyperglyph transcribes and aligns it for you. UNDERSTAND, DON'T JUST TRANSLATE Tap the information icon on any phrase for a character-by-character breakdown, the literal meaning, the cultural context, and a memory hook. This is the part a translation app cannot do. BUILD A VOCABULARY THAT IS YOURS Every word you save from a film joins your deck. Type your own phrases too — they are translated, voiced, and filed alongside. REVIEW WITH SPACED REPETITION Cards come back exactly when you are about to forget them. Rate each one and the schedule adjusts. TALK TO A TUTOR THAT KNOWS YOUR WORDS Chat with an AI tutor that has read your vocabulary and drills you on the phrases you actually saved. Chinese, Japanese, and more. Free for a week, no card. Terms of Service: https://hyperglyph.app/terms Privacy Policy: https://hyperglyph.app/privacy

VocabSeed helps you build vocabulary in 【English】 and 【Japanese】 through AI-generated practice sentences and spaced repetition. Browse the 50,000 most common words ranked by real-world frequency from subtitle analysis. Mark the words you don't know, and VocabSeed creates personalized review sessions with natural sentences generated by AI — so you learn words in context, not in isolation. KEY FEATURES - Frequency-Ranked Word Lists 50,000 words for English and Japanese, ranked by how often they appear in everyday media. Focus on the words that matter most. - AI-Generated Practice Sentences Each review presents a natural sentence containing your target word, along with a translation in your chosen language. No repetitive flashcards — every sentence is unique. - Spaced Repetition Schedule your next review from minutes to months. VocabSeed tracks when each word is due and reminds you at the right time. - Built-in Translation Tap any word or sentence to translate using the iOS native Translation framework. Supports multiple target languages. - Text-to-Speech Hear correct pronunciation with system voices. Choose from premium voices for each language in Settings. - Daily Reminders Set a daily notification time. VocabSeed only notifies you when you have words due for review. - Home Screen Widget See your due words count and next review time at a glance without opening the app. - Multi-Language Support Learn English or Japanese vocabulary. The app interface is available in English, Chinese (Simplified), and Japanese. - Privacy First All your learning data stays on your device. No account required. GETTING STARTED 1. Choose your learning language (English or Japanese) 2. Browse the word list and mark words you don't know 3. Tap Review to start a practice session 4. After answering, schedule your next review 5. Come back when notified — your vocabulary grows over time