# 国語海賊〜1年生編〜完全版 vs PLATINUM NAVI

The clearest difference is price: PLATINUM NAVI at Free against 国語海賊〜1年生編〜完全版's $4.99. PLATINUM NAVI also leads on update cadence (fortnightly vs every 15 months). 国語海賊〜1年生編〜完全版's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

PLATINUM NAVI is free to download; 国語海賊〜1年生編〜完全版 costs $4.99 up front. PLATINUM NAVI sells 1 in-app purchase, starting at $43.99 per month. 国語海賊〜1年生編〜完全版 asks for nothing beyond the download.

国語海賊〜1年生編〜完全版 ships an update every 15 months, PLATINUM NAVI fortnightly. Both last shipped on October 15, 2026.

## The numbers

| Metric | 国語海賊〜1年生編〜完全版 | PLATINUM NAVI |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 582 MB | 192 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fantamstick](https://appshunter.io/developer/563146308) | [ANALOG TWELVE Co., Ltd.](https://appshunter.io/developer/365469948) |

## What reviewers say

### 国語海賊〜1年生編〜完全版

[App page](https://appshunter.io/ios/app/1/id1485833747)

Master all 80 first-grade Japanese kanji through engaging pirate-themed games. Collect pirate cards and treasures as you learn, making memorization fun and effective for young learners.

**Highlights:** Learn 80 first-grade kanji, Engaging pirate-themed games, Collect pirate cards and treasures, Automatic progress reports, No difficult rules, Effective for struggling learners

**Features:** macOS Compatibility

**In-app purchases:** none


### PLATINUM NAVI

[App page](https://appshunter.io/ios/app/platinum-navi/id6443807802)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プラチナムコース | $43.99 | per month |


## Frequently asked questions

### Is 国語海賊〜1年生編〜完全版 free?

国語海賊〜1年生編〜完全版 costs $4.99, with no in-app purchases.

### Is PLATINUM NAVI free?

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

### Do 国語海賊〜1年生編〜完全版 or PLATINUM NAVI have ads?

Neither 国語海賊〜1年生編〜完全版 nor PLATINUM NAVI shows ads.

### Which is updated more often, 国語海賊〜1年生編〜完全版 or PLATINUM NAVI?

国語海賊〜1年生編〜完全版 ships an update every 15 months, and PLATINUM NAVI fortnightly. Most recently, 国語海賊〜1年生編〜完全版 was updated on October 15, 2026 and PLATINUM NAVI on October 15, 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.*