# Gravity - Language Immersion — Learn Japanese & Mandarin > Personalized Japanese learning app using real-world text and contextual flashcards. (iPhone/iPad app by Heimdall Space Inc..) - Source: https://appshunter.io/ios/app/gravity-language-immersion/id6769900394 (this page in markdown: same URL + `.md`) - Developer: [Heimdall Space Inc.](https://appshunter.io/developer/1896698357) - Category: Education, Productivity - Price: Free with in-app purchases - Rating: 4.10/5 from 35 App Store ratings · 28 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 109 MB - Languages: American English - Released: 2026-06-16 - Data updated: 2026-10-25 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/gravity-language-immersion/id6769900394/reviews.md ## What is Gravity? LEARN LANGUAGES THE FAST WAY - THROUGH VIDEOS! (Now with Mandarin Chinese support!) ◆ Learn Japanese and Mandarin Chinese through the content you already love. ◆ Gravity is an immersion-first language app that turns real videos and music into personalized learning. Doomscroll short native clips, sing along in Karaoke Mode, or pick something from a hand-curated library of native videos, each one transcribed word by word and levelled for learners. ◆ Whether you're into anime, J-pop, C-dramas, music, or YouTube creators, Gravity helps you build real language skills through context instead of generic textbook lessons. WHY CHOOSE GRAVITY? → Doomscroll to fluency: Moments turns scrolling into learning with a feed of short clips from native content. → Curated video library: native videos across anime, music, entertainment, creators, and more, levelled from complete beginner to advanced. → Word-synced transcripts: follow along word by word as the audio plays, with an English translation for every line that you can show or hide. → Karaoke Mode: follow the lyrics of songs you love, understand every line, and pick up vocabulary through music. → Tap to learn: tap any word for its reading, meaning, and an AI explanation, then save it in one tap. → Context-based flashcards: every saved word keeps the moment it came from, so you can replay the original clip while you review. → Smart spaced repetition: reviews are scheduled so each word comes back right before you'd forget it. → Practice right after watching: review the words you just saved as soon as you finish a video. → Daily word goals and reminders: stay consistent without overwhelming study sessions. BUILT FOR EACH LANGUAGE Japanese → Furigana, romaji, or no reading aids. Your choice. → Pitch accent graphs and dictionary meanings on every card. → Anime, J-pop, podcasts, streams, and more, levelled from Pre-JLPT to N1. Mandarin Chinese → Pinyin with tone marks, or turn it off. → Simplified characters, with traditional forms shown alongside. → C-dramas, music, and more, levelled from Pre-HSK to HSK 6. WHAT YOU'LL LEARN ◆ Real vocabulary and phrases, the way native speakers actually use them. ◆ Listening and reading skills through authentic videos, songs, and clips. ◆ Words from the shows, music, and creators you already watch. ◆ Language you'll actually hear, not just textbook examples. WHO IT'S FOR → Anime, J-pop, C-drama, and music fans who want to learn from what they already love. → Learners who already spend hours watching videos and scrolling online. → Travelers, international students, and people living or working abroad. → Busy learners who want immersion to fit naturally into their day. → Anyone tired of repetitive textbook lessons and overwhelming flashcard decks. HOW IT WORKS 1. Choose Japanese or Mandarin Chinese and your level. 2. Watch a video, scroll Moments, or sing along with a song. 3. Tap unfamiliar words to see what they mean and save them. 4. Gravity turns your saved words into flashcards, each linked to its original moment. 5. Review a few minutes a day and watch your known words grow. LEARN THROUGH WHAT YOU LOVE Doomscroll in the language you're learning. Watch videos. Sing your favorite songs. Gravity turns the content you already want to watch into something you can actually learn from. GRAVITY IS IN EARLY ACCESS. Any bugs, issues, or feedback can be directed to support@learngravity.com. Privacy: https://learngravity.com/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Personalized learning plans - Instant vocabulary extraction from photos - Smart review system - Context-based flashcards - Immersion-focused learning - Daily learning sessions ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Immersion | $14.99 | per month | | Polyglot | $69.99 | per year | | Fluency | $6.99 | per 7 days | | Immersive Monthly | $8.99 | per month | | Immersive Monthly | $11.99 | per month | | special offer | $4.99 | per month | ## Is Gravity safe? Gravity - Language Immersion appears mostly safe based on user ratings. The AppsHunter Safety Score for Gravity is 78 out of 100. This assessment is based on 35 user ratings, with an App Store average of 4.1 out of 5. Of 35 App Store ratings, 77.1% point to a safe experience, 0.0% suggest some concerns, and 22.9% point to a risky experience. ## Is Gravity legit? Gravity - Language Immersion has limited verification signals. The AppsHunter Legitimacy Score for Gravity is 58 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (10 of 28) All indexed reviews: https://appshunter.io/ios/app/gravity-language-immersion/id6769900394/reviews.md ### 5/5 — Great for Chinese *2026-10-23* I am learning mandarin and this is such a great way to get consistent practice ### 4/5 — Bonne appli avec une marge de progression *2026-10-21* Bonne application d’apprentissage du japonais à travers des vidéos trouvées sur les réseaux, et sur des thèmes qui nous intéressent. Il est plutôt simple d’apprendre des mots placés directement dans leur contexte ainsi que de demander davantage d’explications à l’IA intégrée. De plus le prix reste abordable (50€/an) même pour un étudiant. Cependant, certaines erreurs d’audio peuvent fausser légèrement l’expérience. Il serait bien aussi de pouvoir ajouter aux mots à apprendre les mots recherchés dans le dictionnaire présent dans l’appli. ### 5/5 — One day in and it’s amazing *2026-10-20* I think immediately after downloading i realized it’s the best Japanese learning app on the market right now. Only complaints are that I want more content! 😫 May I suggest ヒカキン or ポッキー? I loved the one horror stream that was featured on the app but would love to see more stream content. Flashcard system is great and user friendly, only issue is sometimes the pronunciation is off but as long as you have the pitch accent and the reading on the back of the flashcard it’s pretty easy to figure out. Love it so far! **Developer response:** Thank you so much for the amazing review! ❤️ Our very next update will bring a fresh wave of videos and improved transcripts, and we'll make sure to add the creators you suggested! We also just released a brand-new voice system today that should address the pronunciation issues you mentioned. Thank you for supporting Gravity! ### 2/5 — Videos *2026-10-19* Currently only a few videos work for me. I consistently get video unavailable message. App seems cool though if it works consistently **Developer response:** Hi there! We're sorry to hear you're having trouble accessing videos! Video availability can sometimes be affected by VPNs, ad blockers, or regional restrictions. Could you please reach out to us at support@learngravity.com? We'd love to investigate what's happening and help get things working for you! :) ### 2/5 — Like always *2026-10-19* Genuinely liked the app at first because it was able to watch a video. But like always turns out the app isn’t free. I get trying to make money but really? I have to pay for everything? You might as well make my pay to even download the app it’s literally unnecessary.The only thing free is the dictionary and the dictionary saved me from giving it a one star because the dictionary is actually good but literally can’t do anything else. **Developer response:** Hi there! We're sorry to hear about your frustration. While subscriptions help us keep Gravity running and improving, we never want pricing to stand in the way of learning. We're always exploring ways to make Gravity more accessible and would love to hear your thoughts! Please reach out to support@learngravity.com so we can make things right :) ### 4/5 — 良いアプリ *2026-10-14* とっても使いやすい ### 4/5 — Good but need some improvement *2026-10-13* The idea and function is really good but there are some mistakes in the subtitle. And it's quite difficult in returning the video, like in the short clip, if i want to rewatch the previous one, it's keep going forward while i go back **Developer response:** Hi there! Thank you for using Gravity and sharing your feedback! Our team is working hard to improve subtitle accuracy, and you can expect much better, freshly updated subtitles very soon! We're also aware of the issue with going back to previous clips, and a fix is coming in an upcoming update. Thank you for your patience! :) ### 1/5 — Request *2026-10-12* Give me money back, I didn’t even use the this app. **Developer response:** Hi there, we're really sorry about the unexpected charge. We understand how frustrating this must be. Unfortunately, all App Store refunds are handled directly by Apple. You can submit a refund request at https://reportaproblem.apple.com, and they should be able to help resolve this for you! ### 5/5 — Great app *2026-10-10* Please add dakuon, handakuon and yōon to the kana learning section. For the live translation in videos: please add an option so that when a sentence ends, it doesn't jump straight to the next one, but lets you repeat it instead. Sometimes it's still too fast for me, even at 0.5x speed. This app has a lot of potential thank you I am looking forward to subscribe! **Developer response:** Hi there! Thank you so much for your kind words and suggestions! We're planning to add these improvements based on your feedback in an upcoming update, including more kana practice and the option to repeat sentences. Thanks for helping us make Gravity better! :) ### 5/5 — Keen to see where it goes! *2026-10-06* I’ve just finished the free trial and am thinking of continuing on. The app has been a good way to expose myself to new content I wouldn’t normally come across when just YouTubing “N5 Japanese listening”. The app is clean and visually nice to use. Some features I hope to see in the future would be: - improved captions so that words are captured in their context, sometimes verbs or words are split into two when in forms like て so creating flashcards - an option when watching a video to go card by card and tap to play, so it’s easier to repeat a card over when shadowing and working on pronunciation - when searching words in the dictionary to be able to add to my flashcards collection Keen to see where this app goes, recommend trying it out! **Developer response:** Thank you so much for the thoughtful feedback and support! ❤️ We're really glad you're enjoying Gravity! Adding words directly from the dictionary to flashcards is coming very soon, and we're working on improving the shadowing experience. We'll also add your transcript suggestions to our to-do list, as we're constantly working to make them better. Thanks for helping us improve Gravity! ## Frequently asked questions about Gravity ### How does Gravity help me learn Japanese? Gravity helps you learn Japanese by turning real-world text from photos and screenshots into personalized flashcards and study plans. This contextual approach focuses on vocabulary you actually encounter, making learning more practical and relevant to your daily life. ### What kind of Japanese content can I use with Gravity? You can use content from menus, signs, manga, subtitles, conversations, screenshots, and any everyday Japanese text you encounter. The app is designed to extract vocabulary from diverse real-world sources. ### Does Gravity offer different subscription plans? Yes, Gravity offers two subscription plans: Immersion at $6.99 per month with a 7-day free trial, and Polyglot at $49.99 per year with a 7-day free trial. These plans provide access to enhanced learning features. ### How often is Gravity updated? Gravity was last updated on August 3, 2026, with version 2.2.1. The app is currently in early access, suggesting ongoing development and frequent updates to improve features and address issues. ### What devices is Gravity available on? Gravity is currently supported on iPhone and iPod devices. The app is designed for iOS users looking to learn Japanese on the go. ### What is the age rating for Gravity? Gravity has an age rating of 4+, making it suitable for a wide range of learners. This indicates that the content and learning methods are appropriate for younger and older users alike. ### How does Gravity's review system work? Gravity features a smart review system that prioritizes the most useful and frequently encountered words first. This ensures that your study time is focused on vocabulary that will have the greatest impact on your comprehension and fluency. ### Can I track my progress with Gravity? Yes, you can track your progress over time with Gravity. The app provides daily learning plans tailored to your progress and goals, allowing you to monitor your development as you learn Japanese. ## Version history (last 5 releases) ### 3.0.1 — 2026-10-24 Meet Chinese in Gravity Learn through videos and Moments, follow along with pinyin, hear Mandarin pronunciation, and ask Aio to explain words in context. Set up your level, motivations, and interests for each learning language. Join the Community board Open Community from Profile to share ideas, report bugs, vote on suggestions, and join threaded discussions. Follow updates from the Gravity Team and choose whether to post anonymously. More control while you learn Watch at 0.75× speed, choose whether playback resumes after a word lookup, and adjust pronunciation and sound-effect volume. A smoother study experience We’ve improved transcript following, saved-word accuracy, flashcard audio loading, and onboarding navigation. Offline dictionaries now prepare after onboarding without blocking app entry, and you can see installed dictionary details in Settings. ### 3.0.0 — 2026-10-22 Meet Chinese in Gravity Learn through videos and Moments, follow along with pinyin, hear Mandarin pronunciation, and ask Aio to explain words in context. Set up your level, motivations, and interests for each learning language. Join the Community board Open Community from Profile to share ideas, report bugs, vote on suggestions, and join threaded discussions. Follow updates from the Gravity Team and choose whether to post anonymously. More control while you learn Watch at 0.75× speed, choose whether playback resumes after a word lookup, and adjust pronunciation and sound-effect volume. A smoother study experience We’ve improved transcript following, saved-word accuracy, flashcard audio loading, and onboarding navigation. Offline dictionaries now prepare after onboarding without blocking app entry, and you can see installed dictionary details in Settings. ### 2.5.1 — 2026-10-02 Performance updates • Refreshed dark purple appearance. • A new Profile inbox for Gravity announcements and release notes. • Improved video and Moments playback. • More reliable word pronunciation, reminders, and subscription recovery. • Bug fixes and interface improvements. ### 2.5.0 — 2026-09-28 Stability and Less Bugs - Major bug fixes - Major performance fixes - Refreshed app startup ### 2.4.2 — 2026-09-07 Keep learning across devices Save videos and find them again after signing in, with bookmarks now synced to your account. Move through videos, Moments, and Karaoke more smoothly with better transcript scrolling, lyric timing, loading, and tap targets. Get back into Gravity more reliably with improved email verification and password recovery, including cross-device recovery flows. ## Apps similar to Gravity | App | Rating | Price | Category | | --- | --- | --- | --- | | [Kiku - Learn Japanese Fast](https://appshunter.io/ios/app/kiku-learn-japanese-fast/id6760329052) | 4.5 (115) | Free | Education | | [Mugi - Japanese Immersion](https://appshunter.io/ios/app/mugi-japanese-immersion/id6761397866) | 4.5 (2) | Free | Education | | [Kaeru - Learn Japanese & Kanji](https://appshunter.io/ios/app/kaeru-learn-japanese-and-kanji/id6740145807) | 3.9 (31) | Free | Education | | [Hourly Kana: Learn Japanese](https://appshunter.io/ios/app/hourly-kana-learn-japanese/id6780309160) | 4.8 (883) | Free | Education | | [Moji - Learn Japanese & Kanji](https://appshunter.io/ios/app/moji-learn-japanese-and-kanji/id6782609868) | 3.6 (37) | Free | Education | | [HayaiLearn](https://appshunter.io/ios/app/hayailearn/id6743055074) | 4.5 (39) | Free | Education | ## Related topics [gravity](https://appshunter.io/ios/topics/gravity) · [grvty](https://appshunter.io/ios/topics/grvty) · [grabbity](https://appshunter.io/ios/topics/grabbity) · [heimdallr](https://appshunter.io/ios/topics/heimdallr) · [isshoni japanese study](https://appshunter.io/ios/topics/isshoni-japanese-study) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-25.*