# Project P vs わたしの日本地図 47都道府県ひとふで

The clearest difference is review sentiment: わたしの日本地図 47都道府県ひとふで at 100% against Project P's 38%. わたしの日本地図 47都道府県ひとふで also leads on in-app purchases (none vs 4) and update cadence (every 4 days vs every 11 days). Project P's advantage is iOS requirement (13.0 vs 15.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Project P sells 4 one-off in-app purchases. わたしの日本地図 47都道府県ひとふで asks for nothing beyond the download.

Project P ships an update every 11 days, わたしの日本地図 47都道府県ひとふで every 4 days. The most recent releases landed on September 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Project P | わたしの日本地図 47都道府県ひとふで |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 38.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Isao Uchida](https://appshunter.io/developer/1341625060) | [syoutarou ookura](https://appshunter.io/developer/1614144503) |

## What reviewers say

### Project P

[App page](https://appshunter.io/ios/app/project-p/id1367457174)

This app analyzes screenshots of a puzzle game to suggest optimal move sequences based on user-defined criteria. It recognizes various board states and special elements, offering customizable priority settings for chains and colors. Additional features enhance convenience, such as automatic screenshot capture.

**Highlights:** Screenshot analysis, Image recognition for board states, Optimal move suggestion, Customizable search conditions, Priority settings for chains and colors, Automatic screenshot capture

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 消す枠やなぞらない枠を指定して検索 | $0.99 | one-time |
| 予想結果表示の拡張 | $0.99 | one-time |
| PiP開始回数制限解除 | $0.99 | one-time |
| 詳細検索の回数制限解除 | $1.99 | one-time |


### わたしの日本地図 47都道府県ひとふで

[App page](https://appshunter.io/ios/app/47/id6787132396)

Draw the outlines of Japan's 47 prefectures from memory in a single stroke. Your drawing accuracy is scored based on the prefecture's shape, geography, and local specialties. Unlock all prefectures and features with an in-app purchase.

**Highlights:** Draw prefectures from memory, Single-stroke drawing challenge, Scoring based on shape and specialties, Three difficulty modes, Offline play, Complete and share your map

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

**In-app purchases:** none


## Frequently asked questions

### Is Project P free?

Project P is free to download, with in-app purchases available.

### Is わたしの日本地図 47都道府県ひとふで free?

わたしの日本地図 47都道府県ひとふで is free to download, with no in-app purchases.

### Do Project P or わたしの日本地図 47都道府県ひとふで have ads?

Both Project P and わたしの日本地図 47都道府県ひとふで show ads.

### Which is updated more often, Project P or わたしの日本地図 47都道府県ひとふで?

Project P ships an update every 11 days, and わたしの日本地図 47都道府県ひとふで every 4 days. Most recently, Project P was updated on September 24, 2026 and わたしの日本地図 47都道府県ひとふで on October 11, 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.*