# Japanese Particle Trainer vs Gravity

The clearest difference is rating: Gravity at 4.1 against Japanese Particle Trainer's 1.0. Gravity also leads on ratings volume (39 vs 1). Japanese Particle Trainer's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gravity sells 6 in-app purchases, starting at $4.99 per month. Japanese Particle Trainer asks for nothing beyond the download.

Gravity holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Gravity has 39 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Japanese Particle Trainer | Gravity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/japanese-particle-trainer/id6760587807/reviews) | **[4.1 (39 ratings)](https://appshunter.io/ios/app/gravity-language-immersion/id6769900394/reviews)** |
| Number of ratings | 1 | **39** |
| Positive reviews | — | 69.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 109 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IAN PATRICK MAHONEY](https://appshunter.io/developer/1871647044) | [Heimdall Space Inc.](https://appshunter.io/developer/1896698357) |

## What reviewers say

### Japanese Particle Trainer

[App page](https://appshunter.io/ios/app/japanese-particle-trainer/id6760587807)

Master essential Japanese particles with interactive exercises. Learn meanings, practice sentence construction, and improve grammar for JLPT exams. Works offline and requires no account.

**Highlights:** Learn particle meanings and usage, Fill-in-the-blank sentence drills, Sentence building exercises, Grammar quizzes, JLPT grammar improvement, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Gravity

[App page](https://appshunter.io/ios/app/gravity-language-immersion/id6769900394)

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.

**Highlights:** Personalized learning plans, Instant vocabulary extraction from photos, Smart review system, Context-based flashcards, Immersion-focused learning, Daily learning sessions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| special offer | $4.99 | per month |
| Fluency | $6.99 | per 7 days |
| Immersive Monthly | $8.99 | per month |
| Immersive Monthly | $11.99 | per month |
| Immersion | $14.99 | per month |
| Polyglot | $69.99 | per year |


## Frequently asked questions

### Is Japanese Particle Trainer free?

Japanese Particle Trainer is free to download, with no in-app purchases.

### Is Gravity free?

Gravity is free to download, with in-app purchases available.

### Which has better reviews, Japanese Particle Trainer or Gravity?

Gravity is rated higher. Japanese Particle Trainer averages 1.0 out of 5 from 1 ratings, while Gravity averages 4.1 from 39 ratings.

### Do Japanese Particle Trainer or Gravity have ads?

Neither Japanese Particle Trainer nor Gravity shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*