ダムナビ 日本全国ダム要覧 vs Dam Card Map
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ダムナビ 日本全国ダム要覧
Discover approximately 3,000 dams across Japan with detailed information on their water systems, rivers, types, and capacities. Features include sorting, map display, and navigation to nearby dams, perfect for road trips and sightseeing.
- Detailed dam information
- Sortable dam data
- Map display of all dams
- Search for nearby dams
- Navigation to dams
- Dam card distribution info
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ダムを見に行こう! 「ダムナビ」は、日本全国にある約3000カ所のダムについて、水系、河川名、方式、目的、大きさ、総貯水量、事業者、竣工年等のデータを網羅したアプリです。県別、方式別、貯水量順などのソート機能を備える他、全てのダムの位置情報を収録し、マップ表示が可能です。現在地近くのダムを検索・表示する機能も備えています。ドライブ旅行、ツーリング旅行に対応した経路ナビ機能とも連携しており、気軽にダムを訪問・見学することができます。また、話題の国土交通省発行「ダムカード」の配布情報を収録しています。 ※ダムカード情報は2016年10月1日現在の国交省のデータに基づいています。 デンソーのアプリNaviConを利用してカーナビに地点を送信できます。
Dam Card Map
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Find and track official Japanese dam cards with an easy-to-use map. Dam Card Map shows dam card pickup locations across Japan and helps you keep track of your collection. It is a useful companion for trips, drives, and dam visits. 〖Key features〗 ■ Find pickup points on a map See dams and card pickup locations on the map. Search around your current location or by place, address, or facility name. ■ Track your collection Record the card versions you own, the date collected, and whether you visited or photographed each dam. ■ Browse cards and details Browse cards by region and check pickup locations, hours, and links to official guidance. ■ Update distribution information Check for updated pickup information from within the app. ■ Back up and restore your records Save collection records to a file and restore them when changing devices or recovering a backup. 〖Recommended for〗 • Dam card collectors • Travelers and drivers looking for nearby pickup points • Anyone who wants a simple record of their dam visits This app covers official dam cards only. Distribution and stock can change, so please check official guidance before visiting.
Screenshots
Verdict
The clearest difference is ads: ダムナビ 日本全国ダム要覧 at none against Dam Card Map's shown. ダムナビ 日本全国ダム要覧 also leads on iOS requirement (8.0 vs 17.0). Dam Card Map's advantage is update cadence (every 5 days vs every 23 months). 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.
ダムナビ 日本全国ダム要覧 ships an update every 23 months, Dam Card Map every 5 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.
| Parameter | ダムナビ 日本全国ダム要覧 | Dam Card Map |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| Update frequency | Every 23 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Mejiro Publications | TETSUNOSUKE HIDA |
In-app purchases
ダムナビ 日本全国ダム要覧
No in-app purchases
Dam Card Map
No in-app purchases
Questions
Is ダムナビ 日本全国ダム要覧 free?
Is Dam Card Map free?
Do ダムナビ 日本全国ダム要覧 or Dam Card Map have ads?
Which is updated more often, ダムナビ 日本全国ダム要覧 or Dam Card Map?
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