# Kotoba Kards vs Nihongo Rush

The clearest difference is in-app purchases: Kotoba Kards at none against Nihongo Rush's 2. Kotoba Kards also leads on ads (none vs shown) and device support (3 vs 1). Nihongo Rush's advantage is update cadence (every 4 days vs every 10 days). On price and iOS requirement there is nothing between them.

Both are free to download. Nihongo Rush sells 2 in-app purchases, starting at $9.99 per month. Kotoba Kards asks for nothing beyond the download.

Kotoba Kards ships an update every 10 days, Nihongo Rush every 4 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kotoba Kards | Nihongo Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (7 ratings)](https://appshunter.io/ios/app/nihongo-rush-learn-japanese/id6811640536/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 255 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Kotoba Kards LLC](https://appshunter.io/developer/1825699462) | [Egemen Denizeri](https://appshunter.io/developer/6803117892) |

## What reviewers say

### Kotoba Kards

[App page](https://appshunter.io/ios/app/kotoba-kards/id6748415862)

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

**In-app purchases:** none


### Nihongo Rush

[App page](https://appshunter.io/ios/app/nihongo-rush-learn-japanese/id6811640536)

Learn Japanese vocabulary and grammar through an engaging arcade-style game. Progress through various districts, master words with spaced repetition, and improve listening skills with spoken audio. Daily challenges and achievements encourage consistent practice.

**Highlights:** Arcade-style learning gameplay, Spaced repetition for vocabulary retention, Listening comprehension exercises, JLPT N5 and N4 level content, Daily quests and achievements, Spoken Japanese words and sentences

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Kotoba Kards free?

Kotoba Kards is free to download, with no in-app purchases.

### Is Nihongo Rush free?

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

### Do Kotoba Kards or Nihongo Rush have ads?

Nihongo Rush shows ads; Kotoba Kards does not.

### Which is updated more often, Kotoba Kards or Nihongo Rush?

Kotoba Kards ships an update every 10 days, and Nihongo Rush every 4 days. Most recently, Kotoba Kards was updated on October 25, 2026 and Nihongo Rush on October 31, 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.*