都道府県制覇 vs Prefectures
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
都道府県制覇
Create and visualize custom maps of prefectures you've visited in Japan. Mark visited locations, add notes, and save up to 10 different maps. Share your travel experiences as images or export data for analysis.
- Mark visited prefectures
- Add notes to prefectures
- Save up to 10 custom maps
- Offline map editing
- 15 language support
- Share maps on social media
- Export data in CSV format
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My Japan Map is an user friendly app to create your own map visualizing prefectures where you have been. * Select the prefecture you have visited on the list! * Select the prefecture you want to mark on the list. In multiple color mode, prefectures can be painted in different colors for each category. You can save brief notes for each prefecture. * Visualize the prefectures you have visited on the map of Japan! * This app shows the prefectures you have visited on the map of Japan! By displaying the labels, you can easily locate prefectures on the map. The map can be zoomed in and out. * Keep track of your travel experiences! Up to 10 different maps can be saved! * You can save up to 10 maps for various uses. You can open and edit the map offline. * 15 languages are supported! * This app supports 15 languages: Japanese, English, French, Simplified Chinese, Traditional Chinese, Spanish, German, Russian, Portuguese, Italian, Korean, Arabic, Hindi, Thai and Vietnamese. * Create your own map by customizing and share it through social media! * The map can be saved as a image in the device and shared through various social media, such as Instagram, Twitter, Facebook and LINE. You can also export data with prefecture codes in CSV format that can be analyzed in Excel or GIS.
Prefectures
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From Japan to the world—keep track of where on Earth you've been to. For many countries (and regions), you can also dig deeper and track which subdivisions you've been to, whether they're departments, states, or prefectures. GAME & ATLAS: Flick through parts of the world and learn more about each place. Atlas mode allows you to learn the countries and subdivisions, and game mode allows you to put that into practice.
Screenshots
Verdict
The clearest difference is ads: Prefectures at none against 都道府県制覇's shown. Prefectures also leads on update cadence (daily vs monthly). 都道府県制覇's advantage is iOS requirement (12.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
都道府県制覇 ships an update monthly, Prefectures daily. Both last shipped on October 24, 2026.
| Parameter | 都道府県制覇 | Prefectures |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Monthly | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 51 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | Sohta Itoh | Terran Kroft |
In-app purchases
都道府県制覇
No in-app purchases
Prefectures
No in-app purchases









