# 国語勉強 vs コォジイ君と行く工事現場XR見学

The clearest difference is ads: コォジイ君と行く工事現場XR見学 at none against 国語勉強's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

国語勉強 ships an update every 15 months, コォジイ君と行く工事現場XR見学 every 21 months. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 国語勉強 | コォジイ君と行く工事現場XR見学 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 15 months** | Every 21 months |
| Monetization | Ad-supported | — |
| Size | 25 MB | 49 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Junpei Shimotsu](https://appshunter.io/developer/882299124) | [SPEED INC.](https://appshunter.io/developer/615918842) |

## What reviewers say

### 国語勉強

[App page](https://appshunter.io/ios/app/120/id1474757044)

Learn 120 Japanese proverbs with this educational app. It features multiple-choice quizzes that allow for quick study sessions. Earn gold medals by achieving perfect scores in each category.

**Highlights:** 120 proverbs included, Multiple-choice quizzes, Progress tracking, Gold medal rewards, Short study sessions

**Features:** macOS Compatibility

**In-app purchases:** none


### コォジイ君と行く工事現場XR見学

[App page](https://appshunter.io/ios/app/xr/id1601984189)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 国語勉強 free?

国語勉強 is free to download, with no in-app purchases.

### Is コォジイ君と行く工事現場XR見学 free?

コォジイ君と行く工事現場XR見学 is free to download, with no in-app purchases.

### Do 国語勉強 or コォジイ君と行く工事現場XR見学 have ads?

国語勉強 shows ads; コォジイ君と行く工事現場XR見学 does not.

### Which is updated more often, 国語勉強 or コォジイ君と行く工事現場XR見学?

国語勉強 ships an update every 15 months, and コォジイ君と行く工事現場XR見学 every 21 months. Most recently, 国語勉強 was updated on October 11, 2026 and コォジイ君と行く工事現場XR見学 on October 5, 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.*