Apps similar to Sublo include Linglass, which has a free version. Other options are EasySubs, Language Reactor, Youtube Bilingual Subtitles and yunit. There's no shortage of Language Learning Tools like Sublo, with more than 25 alternatives for the web, Mac, iPhone, iPad and Windows.
Gravity is a Japanese immersion app for iPhone, iPad and Android. It gives you a hand-picked library of real Japanese videos (anime clips, YouTube vlogs, podcasts and music), each levelled from Pre-JLPT to N1, so you can find something you mostly understand and press play.
Canada
Language learning app that helps adults learn through adapted books with instant translation, native audio, and vocabulary flashcards.
Bilingual Subtitles for the Netflix Web App. An actively maintained fork with various bug fixes and improvements to the original NflxMultiSubs.
DoubleSubs is a browser extension for Chrome and Edge that adds dual subtitles to YouTube and Netflix. It shows the original and translated subtitles at the same time to support language learning.
We on the Equalang team built a side-by-side translator for text, documents with layout intact, live interpretation, and video subtitles.
Singapore
A vocabulary app for people who already speak English: it builds your personal word list from the shows and videos you watch, finds the words you don't know, and helps you learn them in context.
Chrome extension for learning languages on Netflix. Display two subtitle languages at the same time. Rewind by a few seconds. Rewind to the beginning of phrases. Pause at the end of phrases. Bookmark words and the phrases. etc.
Live Subtitles is an AI live caption and dual subtitles app that transcribes any audio and translates it into 30+ languages in real time — live captions and bilingual subtitles for Zoom, Teams, YouTube, Netflix, Twitch, Discord and any app on Windows, macOS and iPhone.
Kazakhstan
Local Migaku-style flashcard miner — learn languages from video. Word-by-word subtitles, one-click Anki cards, 100% offline.
Chile
SubSmith is a private desktop application designed for language learners. It allows you to generate editable, timestamped subtitles and transcripts from any video or audio file directly on your computer.
Chrome extension and web app capturing clicked words from YouTube subtitles or web pages as flashcards, each including offline dictionary definitions, IPA pronunciation, sentence context, calculated difficulty, auto-generated images, and browser-based spaced repetition review on any device.
South Korea
