Duoler vs Immersea

Learn a language from the videos you actually want to watch. Import a movie, show, lecture or any other video from the Files app. No subtitles? Duoler creates them with AI right on your iPhone, and can add a translation line to make bilingual subtitles. Tap any word or sentence to translate it, then save it to your notebook together with the video frame and audio clip. AI SUBTITLES ON YOUR IPHONE • Speech recognition in 11 languages: English, Chinese (Simplified and Traditional), Cantonese, Japanese, Korean, French, German, Spanish, Italian and Portuguese • Bilingual subtitles with translation into 20 languages • Everything runs on your device. Your videos are never uploaded TAP TO TRANSLATE • Tap a word or a whole sentence while you watch • Uses Apple's on-device translation (iOS downloads each language once) A NOTEBOOK WITH CONTEXT • Double-tap a word to save it, or save the whole sentence • Every item keeps the video frame and audio clip it came from, so you can hear it again MADE FOR LISTENING PRACTICE • Split a video into 3- or 5-minute practice sections • Move through Listen, Study and Review phases, with subtitles hidden when needed • Loop one sentence, mark difficult moments, and resume where you stopped • Review saved words and sentences with their original audio • Jump by sentence or 10 seconds, change speed, and adjust subtitle timing MORE LOCAL VIDEO FORMATS • Reference the original file to save space, or keep an independent copy in Duoler • Local playback for common formats including MKV and WebM with VP9 or AV1, when the file's tracks are supported YOUR OWN SUBTITLES WORK TOO • Import SRT, VTT or ASS/SSA files • Edit subtitle text and timing, and export SRT files PRIVATE BY DESIGN No account, no ads, no tracking. Your videos, subtitles and notebook stay on your device. FREE AND PREMIUM Free: play videos with your own subtitles, tap to translate, save unlimited words and sentences, create AI subtitles for 5 minutes a day (up to 5 minutes per video), and export the subtitles you imported. Premium: unlimited AI subtitles and export of AI-generated subtitles, billed monthly or yearly. Eligible new subscribers can try the yearly plan free. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in Settings > [your name] > Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://duoler.vercel.app/privacy

Learn Spanish, Japanese, and any language from the videos and podcasts you already watch, not canned lessons. Immersea turns YouTube links, podcast episodes, and your own files into interactive language lessons. Read along and learn with subtitles synced to playback: dual captions in the source language and yours. Tap any word for an instant definition, save it to your vocabulary list, and review with flashcards and spaced repetition practice. WHY IMMERSEA Most apps teach from their own curriculum. Immersea lets you learn from real content in the language you choose: Spanish, French, Japanese, Korean, German, and more. Bring a YouTube video, a podcast episode, or a file you care about. Immersea adds dual subtitles, tap-to-learn definitions, and a personal word library. HOW IT WORKS 1. Paste a YouTube link, podcast URL, video file, or text 2. Choose the language you are learning 3. Follow along with dual captions synced to playback 4. Tap any word for meaning, examples, and pronunciation 5. Save words to your vocabulary library 6. Practice with flashcards and spaced repetition when words are due FEATURES • Learn Spanish, Japanese, Korean, and more from YouTube, podcasts, and video • Dual subtitles: source language + your learning language • Tap any word for AI definitions in context • Build your personal vocabulary from real content • Flashcards and listening practice • Spaced repetition: review words at the right time • Works with content you find, not a fixed course library PERFECT FOR • Learners who want language immersion from native content, not drills • Intermediate learners building vocabulary from real speech • Anyone who learns best from podcasts, vlogs, and real-world video Start with a link you love. Turn it into a lesson. Build vocabulary you will actually use, in whatever language you are learning. Download Immersea and learn from content that keeps you watching. LEGAL Privacy Policy: https://immersea-web.vercel.app/privacy Terms of Use: https://immersea-web.vercel.app/terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/