ExtSpot
Subturtle: Learn English with Subtitles, Videos & AI Coach icon

Subturtle Chrome Extension Analysis

AI & Writing Assistants

Store listing title: Subturtle: Learn English with Subtitles, Videos & AI Coach

Chrome extension ID: gaplicnpaiidofkoeonioomcnadoofkf

A browser extension that turns video subtitles and web text into interactive English lessons. It provides instant translations, vocabulary saving, flashcard sessions, and AI-powered coaching across 100+ languages.

Developer:CodeBridger
Version:1.15.1
Size:2.65MiB
Last updated:
View developer profile
External:Chrome Web StoreOfficial website

Overview

Installs

487

Rating

★ 5.0

12 reviews

Languages

1 locales

Includes English

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

AI & Writing Assistants

Pricing friction

Low review signal

Complaint intensity

Low review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

Positions itself as an effortless language learning tool that integrates into a user's daily routine. It emphasizes learning English in context through streaming platforms like YouTube and Netflix and general web browsing without needing a textbook.

Inferred product pattern

Contextual language learning overlay for streaming and browsing with a centralized learning dashboard.

Review-backed pain points

Users expressed a desire for the extension to support more platforms like Prime Video and Udemy, and requested the ability to translate entire sentences instead of just single words.

Observed feature gaps

Lack of support for Prime Video and Udemy; absence of a toggle for sentence-level translation.

Tags
Language LearningSubtitle TranslatorVocabulary BuilderEnglish LearningAI Coach
Target users

- English language learners

- Non-native speakers

- Language students

- Streaming media consumers

Primary use cases

- Translating subtitles on YouTube and Netflix in real-time

- Saving new vocabulary from websites for later review

- Using an AI coach to master learned phrases

- Learning English through contextual video consumption

Positive themes

- High utility for Netflix and YouTube

- Clear and comprehensive word explanations

- Effectiveness for understanding technical tutorials

- Support for multiple languages including German

Negative themes

- Limited platform availability

- Preference for sentence-level translation over word-level

Observed friction

- No pricing friction observed in provided data.

Evidence boundary: Data extracted from the official Chrome Web Store listing and 8 high-rating user reviews. Small review sample size and absence of explicit pricing details in the store listing.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

No support or account complaints observed.

Reliability

No reliability or performance complaints observed.

Privacy

No privacy or security complaints observed.

Access & pricing

- No clear monetization signal

- Account required for core usage

- No clear pricing signal

Store listing facts

Listing assets

- Screenshots: 5

- Videos: 1

- Languages: 1

Trust signals

- Privacy policy

- Developer contact

- Official website

- Support link

Store metadata

- Version: 1.15.1

- Size: 2.65MiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

learn English with NetflixYouTube subtitle translatorvocabulary builder extensionEnglish learning tool for browser

Comparison

Subturtle vs Language Reactorbest subtitle translator for English

Problem

how to learn English from moviestranslate subtitles on YouTubesave vocabulary from Netflix

Alternative

Netflix language learning alternativesYouTube vocabulary tools

Similar extensions

Jump to related discovery paths:

More in educationMore from this developer

Screenshots

Subturtle: Learn English with Subtitles, Videos & AI Coach screenshot
Subturtle: Learn English with Subtitles, Videos & AI Coach screenshot
Subturtle: Learn English with Subtitles, Videos & AI Coach screenshot
Subturtle: Learn English with Subtitles, Videos & AI Coach screenshot
Subturtle: Learn English with Subtitles, Videos & AI Coach screenshot

Links

Website: subturtle.app

Privacy policy: https://doc.clickup.com/9018800487/p/h/8crzyb7-1658/84f60adc31ed4e1

Support links: https://subturtle.app/#contact

Videos: Watch

Recommended Chrome extensions

Related listings from the same category, trending peers, and the same publisher portfolio.

Browse education
Udemy 2 pdf icon

Udemy 2 pdf

CodeBridger

This is a tool helps you to store your udemy notes as a handbook.

Installs

173

Rating

★ 2.0

Rememberry - Translate and Memorize with Flashcards icon

Rememberry - Translate and Memorize with Flashcards

rememberry

Translate words while browsing and turn them into spaced repetition flashcards to build foreign language vocabulary.

Installs

100K+

Rating

★ 4.6

Talk & Comment - Voice notes anywhere icon

Talk & Comment - Voice notes anywhere

TalkandComment.com

Voice notes for classrooms and teams. Give feedback students actually hear.

Installs

100K+

Rating

★ 4.1

Translator, dictionary - accurate translate icon

Translator, dictionary - accurate translate

Translate App

Translate text on any webpage instantly using Google Translate. Online Translator, accurate Translation.

Installs

100K+

Rating

★ 4.4

QuestionAI Homework Powered AI Assistant icon

QuestionAI Homework Powered AI Assistant

D3 Dimension Technology

AI Copilot can answer screenshot queries and assist with writing, summarizing, translating, and grammar checking.

Installs

100K+

Rating

★ 4.8

Scrible Extension icon

Scrible Extension

Scrible, Inc.

Smarter Web reading & research. Annotate, bookmark, save, cite, manage & share online articles. Use with your Scrible.com account.

Installs

100K+

Rating

★ 3.5

Highlight This: finds and marks words icon

Highlight This: finds and marks words

Wim Deboel

Automatically finds and highlights words and phrases on the web page according to your list

Installs

100K+

Rating

★ 3.8

NeoExamShield icon

NeoExamShield

techadmin

Prevents malpractice by blocking unauthorized extensions and websites during tests on the Iamneo portal.

Installs

100K+

Rating

★ 1.1

オクリンクプラス Webページスクリーンショット機能 icon

オクリンクプラス Webページスクリーンショット機能

ベネッセコーポレーション

オクリンクプラスのカードにWebページのスクリーンショットを挿入し、リンクを埋め込むことができます！

Installs

100K+

Rating

★ 3.0

Lingualeo Language Translator icon

Lingualeo Language Translator

browser-extension

Translate words & phrases from websites quickly. Add to your personal dictionary on Lingualeo.com and learn foreign languges easily!

Installs

100K+

Rating

★ 3.8