Flashka records 805,913 monthly visits with +2% month-over-month growth and Freemium pricing. Language Reactor records 1,878,769 monthly visits with +0.6% growth and Freemium pricing.
Turn your notes into flashcards that stick
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
| Dimension / Metric | | |
|---|---|---|
| Official Domain | flashka.ai | languagereactor.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 805.91K (805,913) | 1.88M (1,878,769) |
| MoM Traffic Delta | +15.57K (+2%) | +10.73K (+0.6%) |
| Primary Market & Share | 🇮🇹 Italy (34.6%) | 🇺🇸 United States (13.3%) |
| Direct Visits / mo | 432.34K | 1.45M |
| User Rating | 4.1 | 4.4 |
| Supported Platforms | Website | Website |
Turn your notes into flashcards that stick
Upload PDFs, PowerPoint or Keynote slides, Word and Pages documents, images, or lecture audio and get flashcards built from exactly your source content.
Review intervals grow as you remember a card and shrink when you forget, with hard cards flagged as critical so you can fix them.
Generate full quizzes and timed mock exams from your material, alongside oral exam practice that scores what you actually said out loud.
Ask questions about anything you get stuck on, or ask Ka to rework your material into new cards, quizzes, or notes.
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.
Focuses heavily on gamified quizzes and interactive learning modes, but lacks detailed mind mapping tools.
Focuses heavily on gamified quizzes and interactive learning modes, but lacks detailed mind mapping tools.
Offers robust free flashcard creation and note-taking features, though with less emphasis on mind map generation.
Offers robust free flashcard creation and note-taking features, though with less emphasis on mind map generation.
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.
Provides comprehensive video explainers and study notes alongside flashcards, but has a busier interface.
Provides comprehensive video explainers and study notes alongside flashcards, but has a busier interface.
SpecialistEurope's student learning hub with notes, AI flashcards and AI chat
SpecialistEurope's student learning hub with notes, AI flashcards and AI chat
Turn any material into visual study sets, flashcards and quizzes
Turn any material into visual study sets, flashcards and quizzes
SpecialistLearn a new language by talking to lifelike AI tutors
SpecialistLearn a new language by talking to lifelike AI tutors
Excels at summarizing long lectures and textbooks into structured study guides, but features less polished flashcard formatting.
Excels at summarizing long lectures and textbooks into structured study guides, but features less polished flashcard formatting.
Transforms notes and videos into structured summaries and quizzes efficiently, though with simpler flashcard editing tools.
Transforms notes and videos into structured summaries and quizzes efficiently, though with simpler flashcard editing tools.
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.
Specializes in exporting generated AI flashcards directly to Anki, but offers fewer built-in multimedia study aids.
Specializes in exporting generated AI flashcards directly to Anki, but offers fewer built-in multimedia study aids.
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
