# わかる！算数 小学３年【下】 vs 国語海賊〜1年生編〜完全版

The clearest difference is price: 国語海賊〜1年生編〜完全版 at $4.99 against わかる！算数 小学３年【下】's $9.99. 国語海賊〜1年生編〜完全版 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 15.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

わかる！算数 小学３年【下】 costs $9.99 and 国語海賊〜1年生編〜完全版 $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

わかる！算数 小学３年【下】 ships an update every 10 months, 国語海賊〜1年生編〜完全版 every 15 months. The most recent releases landed on June 5, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | わかる！算数 小学３年【下】 | 国語海賊〜1年生編〜完全版 |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 62 MB | 582 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [がくげい](https://appshunter.io/developer/415230275) | [Fantamstick](https://appshunter.io/developer/563146308) |

## What reviewers say

### わかる！算数 小学３年【下】

[App page](https://appshunter.io/ios/app/id684077829)

This app helps third-grade students master the second half of their math curriculum through engaging animations and practice drills. It covers topics like decimals, fractions, and geometry, aligning with national educational standards.

**Highlights:** Covers second half of 3rd-grade math curriculum, 22 units and 44 corners of content, Animation and drill-based learning, Full voice-overs with cute characters, Progress tracking with clear indicators, No in-app purchases or ads

**In-app purchases:** none


### 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


## Frequently asked questions

### Is わかる！算数 小学３年【下】 free?

わかる！算数 小学３年【下】 costs $9.99, with no in-app purchases.

### 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.

### Do わかる！算数 小学３年【下】 or 国語海賊〜1年生編〜完全版 have ads?

Neither わかる！算数 小学３年【下】 nor 国語海賊〜1年生編〜完全版 shows ads.

### Which is updated more often, わかる！算数 小学３年【下】 or 国語海賊〜1年生編〜完全版?

わかる！算数 小学３年【下】 ships an update every 10 months, and 国語海賊〜1年生編〜完全版 every 15 months. Most recently, わかる！算数 小学３年【下】 was updated on June 5, 2026 and 国語海賊〜1年生編〜完全版 on August 30, 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.*