# ReadLang WatchLang

> Langbrowser - Vocabulary Builder - Highlight Translate Vocabulary in Browser

Canonical page: [https://chrome-stats.com/d/com.langbrowser.readlang](https://chrome-stats.com/d/com.langbrowser.readlang)

## Overview

- **ID:** `com.langbrowser.readlang`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Cee68
- **Category:** EDUCATION
- **Downloads:** 51,850
- **Rating:** 3.44 / 5 (282 ratings)
- **Version:** 3.1.0
- **Last updated:** 2025-08-08
- **First published:** 2021-12-31
- **Publisher country:** VN
- **Size:** 55 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.langbrowser.readlang)
- **Privacy policy:** [https://langbrowser.com/privacy-policy/](https://langbrowser.com/privacy-policy/)

## Description

ReadLang WatchLang is a powerful Chrome extension designed for language learners. It features a dual subtitle video player that allows users to watch videos with two sets of subtitles simultaneously, making it easier to grasp context and meaning.

Additionally, it enables live translation of words and phrases on any webpage with just one click or touch, helping learners build their vocabulary in context while browsing their favorite blogs, news sites, or watching educational videos like TED talks. This extension seamlessly combines reading and watching practice to accelerate language acquisition in an immersive and interactive way.

## Rankings

- #294,365 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_APP_BADGE`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.anddoes.launcher.permission.UPDATE_COUNT`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.htc.launcher.permission.READ_SETTINGS`
- `com.htc.launcher.permission.UPDATE_SHORTCUT`
- `com.huawei.android.launcher.permission.CHANGE_BADGE`
- `com.huawei.android.launcher.permission.READ_SETTINGS`
- `com.huawei.android.launcher.permission.WRITE_SETTINGS`
- `com.langbrowser.readlang.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.majeur.launcher.permission.UPDATE_BADGE`
- `com.oppo.launcher.permission.READ_SETTINGS`
- `com.oppo.launcher.permission.WRITE_SETTINGS`
- `com.sec.android.provider.badge.permission.READ`
- `com.sec.android.provider.badge.permission.WRITE`
- `com.sonyericsson.home.permission.BROADCAST_BADGE`
- `com.sonymobile.home.permission.PROVIDER_INSERT_BADGE`
- `me.everything.badger.permission.BADGE_COUNT_READ`
- `me.everything.badger.permission.BADGE_COUNT_WRITE`

## Review summary

Users find ReadLang WatchLang useful for learning English and appreciate the spaced repetition vocabulary system and good customer support. However, multiple reviews report problems with importing ebooks and adding new books, unstable app performance including crashes, and unreliable translation features, which often fail or lead to inaccurate results. Overall, while the app has potential and positive educational value, technical issues and translation limitations negatively impact user experience.

### Pros

- Helps in learning English from personalized content users enjoy.
- Has a spaced repetition system for vocabulary review.
- Customer service is responsive and effective.
- App concept is appreciated and users find it useful.

### Cons

- Issues importing ebooks, especially .txt and epub formats, with no clear feedback on failure.
- App crashes or doesn't load on Android devices.
- Translation features often don't work or are inaccurate, sometimes redirecting to Google Translate with mixed results.
- Users cannot add new ebooks or download books properly.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.langbrowser.readlang)