Checksub records 103,481 monthly visits with -25.6% month-over-month growth and Free Trial, Paid pricing. Language Reactor records 1,878,769 monthly visits with +0.6% growth and Freemium pricing.
AI subtitles, dubbing and 200-language video translation in one browser editor
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
| Dimension / Metric | | |
|---|---|---|
| Official Domain | checksub.com | languagereactor.com |
| Pricing Model | Free Trial, Paid | Freemium |
| Monthly Visits | 103.48K (103,481) | 1.88M (1,878,769) |
| MoM Traffic Delta | -35.55K (-25.6%) | +10.73K (+0.6%) |
| Primary Market & Share | 🇸🇬 Singapore (9.9%) | 🇺🇸 United States (13.3%) |
| Direct Visits / mo | 54.37K | 1.45M |
| User Rating | 4.2 | 4.4 |
| Supported Platforms | Website | Website |
AI subtitles, dubbing and 200-language video translation in one browser editor
Generates accurate captions with AI, then lets you apply dozens of style presets and animations, including one-click karaoke effects, before exporting burned-in video or subtitle files.
Machine translation built specifically for subtitles, so line lengths and timing stay readable instead of copying a generic document translator.
Separates music and background noise from the original voices, then replaces only the speech with realistic AI dubbing so the audio atmosphere is preserved.
Clone a speaker's voice from a sample and use it to replace the original voice-over across dozens of languages with a natural delivery.
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
View your target language together with a translation, pause, replay single lines, and jump back to the previous subtitle with a hotkey.
Hover or click any subtitle word to see definitions, part of speech, and pronunciation without leaving the video.
Automatically saves looked-up words and phrases, then quizzes you with the original context to build durable recall.
Bring the same translation and lookup workflow to ebooks, PDFs, articles, and other web pages.
Provides powerful bilingual translation across streaming video and web pages, though less focused on dedicated flashcard workflows.
Provides powerful bilingual translation across streaming video and web pages, though less focused on dedicated flashcard workflows.
SpecialistLearn a new language by talking to lifelike AI tutors
SpecialistLearn a new language by talking to lifelike AI tutors
AI transcription, subtitles and video translation in one browser studio
AI transcription, subtitles and video translation in one browser studio
Offers similar dual-subtitles and video translation for Netflix and YouTube, but with a more modern AI interface.
Offers similar dual-subtitles and video translation for Netflix and YouTube, but with a more modern AI interface.
SpecialistSpeak a new language from day one with human-like AI and expert human tutors
SpecialistSpeak a new language from day one with human-like AI and expert human tutors
Free AI video dubbing and lip-sync in 170+ languages
Free AI video dubbing and lip-sync in 170+ languages
AI video dubbing, subtitles and text-to-speech in 10+ languages
AI video dubbing, subtitles and text-to-speech in 10+ languages
AI dubbing, avatars and live translation in one multilingual platform
AI dubbing, avatars and live translation in one multilingual platform
AI video dubbing and localization in 135+ languages with your own voice
AI video dubbing and localization in 135+ languages with your own voice
Translate and dub videos into 140+ languages with voice cloning and lip sync
Translate and dub videos into 140+ languages with voice cloning and lip sync
Adds dual subtitles and interactive hover dictionaries directly to streaming video platforms, mimicking core Language Reactor features.
Adds dual subtitles and interactive hover dictionaries directly to streaming video platforms, mimicking core Language Reactor features.
Translates and dubs YouTube videos into multiple languages while displaying bilingual subtitles for easier comprehension.
Translates and dubs YouTube videos into multiple languages while displaying bilingual subtitles for easier comprehension.
