# わたしの日本地図 47都道府県ひとふで vs Primal Fun

The clearest difference is ads: Primal Fun at none against わたしの日本地図 47都道府県ひとふで's shown. Primal Fun also leads on update cadence (every 2 days vs every 4 days). わたしの日本地図 47都道府県ひとふで's advantage is iOS requirement (15.0 vs 17.0). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. わたしの日本地図 47都道府県ひとふで sells 1 one-off in-app purchase and Primal Fun sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

わたしの日本地図 47都道府県ひとふで ships an update every 4 days, Primal Fun every 2 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | わたしの日本地図 47都道府県ひとふで | Primal Fun |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 32 MB | 126 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [syoutarou ookura](https://appshunter.io/developer/1614144503) | [Juyeon Yu](https://appshunter.io/developer/1499305185) |

## What reviewers say

### 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 regional specialties and geography, with three difficulty modes to test your knowledge. Complete your hand-drawn map and share your achievements.

**Highlights:** Draw prefectures from memory, Scoring based on regional specialties, Three difficulty modes, Complete a hand-drawn map, Shareable results and achievements, Offline play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全国制覇パック | $1.99 | one-time |


### Primal Fun

[App page](https://appshunter.io/ios/app/primal-fun-party-games/id6818064394)

A collection of 23 mini-games designed for 2-6 players using a single phone. Enjoy quick rounds and instant fun across various senses, with options for solo practice or tournament-style play. Unlock all games with a one-time purchase.

**Highlights:** 23 mini-games across 5 senses, Playable on a single phone, Supports 2-6 players, Instant gameplay, no complex rules, Tournament-style play, Solo practice mode, Offline play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Games | $2.99 | one-time |


## Frequently asked questions

### 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 in-app purchases available.

### Is Primal Fun free?

Primal Fun is free to download, with in-app purchases available.

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

わたしの日本地図 47都道府県ひとふで shows ads; Primal Fun does not.

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

わたしの日本地図 47都道府県ひとふで ships an update every 4 days, and Primal Fun every 2 days. Most recently, わたしの日本地図 47都道府県ひとふで was updated on November 10, 2026 and Primal Fun on November 6, 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.*