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Gravity - Japanese Immersion

Gravity - Japanese Immersion

Japanese Videos & Flashcards

23 ratings
18 reviews
📚 Education
📊 Productivity
Free
In-App Purchases

Details

Released
June 16, 2026
Updated
October 2, 2026

Features

Developer

Heimdall Space Inc.
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About

Learn Japanese by capturing real-world text from your surroundings. This app creates personalized flashcards and study plans based on the vocabulary you encounter daily, making learning practical and context-driven.

✓Personalized learning plans
✓Instant vocabulary extraction from photos
✓Smart review system
✓Context-based flashcards
✓Immersion-focused learning
✓Daily learning sessions
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What's New in Gravity

2.5.1

October 2, 2026

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.

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Subscriptions & In-App Purchases

Immersion

Monthly access to Gravity learning tools.

$14.991 Month
7 Days trial
How to cancel Gravity subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Great App!

I wish there was a way to adjust audio levels. The spoken words on flash cards can be much softer than the sound effects. Also, sometimes removing a card from a deck does not work.
SSpickering

Money

Best app if it will be free
BBibekstha5

Good but not great

The apps okay. My main issue is that the subtitles are usually not accurate. Of course it’s auto generated so I don’t expect it to be 100% but about 40% of sentences have some kind of error in them. Also something else I’m finding really annoying is the little boxes the subtitles appear in while watching a video are grouped with too few words in them and they slide to the next box too quickly, so it has hard to read the subtitles when the boxes are constantly moving. It would be better if the whole sentences was in one box and not just a few words. Overall a good tool, but needs improvement
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ベベラーさん

Response from developer

Hi there, thank you for the detailed feedback! We’re aware of both of these issues and have actually been working on them. A major update is coming very soon with fresh, more thoroughly validated transcripts for better subtitle accuracy, as well as improved sentence and word grouping so the subtitle boxes are easier to follow and don’t move as quickly. We really appreciate your feedback and patience while we get these improvements ready! ❤️

Tried a billion Japanese learning apps- this is THE ONE

Unlike other language learning apps I’ve seen that run a similar subbed video format with translations, this one actually tokenizes each word with a separate translation, which is super helpful for learning Japanese, since word-for-word translations can differ vastly from words in the context of a sentence. Nouns, adjectives, etc. are also color-coded. If I STILL don’t get something, there’s an additional feature that explains each word in its given context. There’s also practically no friction when I want to save terms to create flashcards.

And BRO- the flashcards are easily the best I’ve seen (I’ve had Quizlet Plus for almost a decade). It not only provides audio pronunciation but visualizations for the pitch accents as well.

Great to see that they’re pushing out updates so frequently and announcing all the changes. W APP!
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Mmegalucario3

Response from developer

Thanks a ton for the kind words! It really means a lot to us and keeps us motivated to keep improving the app and making it the best learning experience we can. If you ever have any feedback or feature requests, feel free to reach out to us at support@learngravity.com — we’d love to hear from you!

very impressive app!

i’ve been using the app for a couple weeks now and i’m finding it super helpful training me for my upcoming trip to japan! better learning system than other apps because this one’s more custom to how i want to learn.
SSherry_ysf

Response from developer

Thanks for the review! We hope that you have a great time in Japan!

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FAQ

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.