Gravity review
A focused Japanese immersion app for learners who want contextual practice.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Gravity turns authentic Japanese media and real-world text into study material for learners at all levels. It is designed for travelers, students abroad, expatriates, immigrants, and anyone who wants practice beyond textbook exercises. The app covers videos, podcasts, songs, livestreams, photos, screenshots, manga panels, and text across iOS, Android, and macOS. Its focus is Japanese immersion rather than broad language coverage or a general-purpose course structure.
Its standout feature is the connection between media and active study. Gravity’s catalog includes more than 1,000 hours of native Japanese video, with word-by-word synchronized transcripts that let learners inspect dictionary entries and contextual explanations. Users can save words with their original source context, create flashcards in one tap, and review them through spaced repetition. Image text capture extends the same workflow to photos, screenshots, and manga panels, while karaoke mode adds synchronized lyrics for songs. Together, these tools support vocabulary work inside the material learners already want to understand.
Gravity is a strong fit for learners who want Japanese exposure through real-world content and prefer contextual vocabulary review. Its ecosystem includes YouTube integration, and the published platform coverage spans iOS, Android, and macOS. The trade-off is a narrow scope: the product supports one language, so it is not suited to learners seeking several languages in one app. Buyers should choose Gravity for Japanese media immersion, transcript-assisted lookup, and repeated review; those seeking a broader multilingual platform or a more conventional lesson sequence should look elsewhere.
Gravity pros and cons
- Where it wins
- More than 1,000 hours of native Japanese video
- Word-level transcripts with contextual dictionary explanations
- Flashcards, spaced repetition, image capture, and karaoke mode
- Where it doesn't
- Supports one language: Japanese
- YouTube is the only listed integration
- Paid product with multiple plan options to compare
Gravity fact sheet, pricing and score →
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update