# PUCHI vs Gravity

The clearest difference is rating: PUCHI at 5.0 against Gravity's 4.1. PUCHI also leads on in-app purchases (none vs 6). Gravity's advantage is ads (none vs shown) and ratings volume (37 vs 1). On price, 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. PUCHI asks for nothing beyond the download.

PUCHI holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Gravity has 37 ratings behind it against 1, so its average is the more settled of the two.

PUCHI ships an update every 4 weeks, Gravity every 9 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PUCHI | Gravity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/puchi-learn-japanese/id6765860376/reviews)** | [4.1 (37 ratings)](https://appshunter.io/ios/app/gravity-language-immersion/id6769900394/reviews) |
| Number of ratings | 1 | **37** |
| Positive reviews | — | 67.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 140 MB | 109 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Furaibo SG Pte. Ltd.](https://appshunter.io/developer/1865674328) | [Heimdall Space Inc.](https://appshunter.io/developer/1896698357) |

## What reviewers say

### PUCHI

[App page](https://appshunter.io/ios/app/puchi-learn-japanese/id6765860376)

**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 PUCHI free?

PUCHI 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, PUCHI or Gravity?

PUCHI is rated higher. PUCHI averages 5.0 out of 5 from 1 ratings, while Gravity averages 4.1 from 37 ratings.

### Do PUCHI or Gravity have ads?

PUCHI shows ads; Gravity does not.

### Which is updated more often, PUCHI or Gravity?

PUCHI ships an update every 4 weeks, and Gravity every 9 days. Most recently, PUCHI was updated on October 31, 2026 and Gravity on October 28, 2026.

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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.*