品川区浸水AR vs OnTrails
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
品川区浸水AR
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品川エリアで大雨が降り続けたら…?いざという時に備えて、洪水・浸水の危険性や近くの避難場所を確認!リアルな浸水表現をARで体験しよう! 自宅や外出先で被災した時に備えて普段から準備しておく必要があります。 大雨や台風による災害の危険性が高まった場合、または危険を感じた場合は、自らの命は自らで守るという意識を持ってすみやかに避難行動を取れるようにしましょう。 品川区には、目黒川と立会川の2つの河川があります。 本アプリを利用して、豪雨の際に自宅や外出先の周辺にどれだけの増水・浸水の危険性があるかを確認し、最寄りの避難所の場所と経路をあらかじめ把握しておきましょう。 ■機能概要 ○防災マップ表示 ・表示切替アイコンを選択することで、洪水浸水想定区域のハザードマップを表示します。 ・マップ上に指定緊急避難場所/指定避難所の登録地点を表示します。 ・マップ上に浸水疑似体験が可能な360°パノラマ写真の登録地点を表示します。 ○指定緊急避難場所/指定避難所案内 ・選択した避難場所/避難所の情報や、現在地からの方向と距離を表示することができます。 ○浸水疑似体験 ・選択したアイコン地点の360°パノラマ写真を利用した浸水疑似体験画面を表示します。 ・現在地の浸水体験AR画面を表示します。 ※画面内のボタンで浸水効果のON・OFF切替えが可能です。 ■対応端末 iOS 10.0以上 ■ データ出典 東京都建設局提供 城南地区河川流域浸水予想区域図(平成30年12月) ■注意事項 ※本アプリは大雨により浸水が予想される区域と想定される最大の水深、避難所等を表示します。 想定最大規模の降雨の定義:総雨量 690ミリメートル、時間最大雨量 153ミリメートル ※本アプリは品川区の公式アプリではありません。
OnTrails
Navigate remote trails with confidence using this offline GPS app. Download maps in advance for reliable navigation without cell service, track your routes, and receive directional guidance to your destination. Ideal for hikers and trekkers in any environment.
- Offline map downloads
- Lock-on navigation with direction and distance
- Automatic route recording
- Real-time coordinate, elevation, and speed display
- GPX file export
- Multiple map types
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An offline hiking GPS app ideal for preventing getting lost and recording your tracks. Accurately displays your location even in remote mountains, with lock-on navigation showing direction and distance to your destination. Automatically records your hiking route. ■ Peace of Mind Without Signal! Full Offline Support No cell service is the norm in mountainous areas. Download maps to OnTrails in advance, and you can use GPS navigation even without signal. ・Bulk map download feature (prepare in advance via WiFi) ・GPS works via satellite, so it operates even outside cell coverage ・Real-time display of current coordinates, elevation, and speed ・Tracking (route recording) also works offline ■ 401 Mountains Included 【Mountains of Japan】 100 Famous Japanese Mountains (Hyakumeizan) - 100 peaks 200 Famous Japanese Mountains (Nihyakumeizan) - 100 peaks 300 Famous Japanese Mountains (Sanbyakumeizan) - 101 peaks 【Mountains of the World】 100 famous peaks from around the world Including Everest, K2, Mont Blanc, Kilimanjaro, and more Covers the Himalayas, Alps, Andes, Rockies, and regions worldwide ■ Lock-On Feature - Navigate with Confidence Simply select your target mountain or marker and "Lock On." ・Real-time distance display from your current location ・Large arrow showing the direction to go ・Voice guidance such as "500m remaining, northeast direction" ・Intuitive navigation even without knowing how to use a compass ・GPS alone shows direction and distance without cell service, preventing you from getting lost ■ Multiple Map Types Available Compatible with maps worldwide. Can be used for overseas trekking. ・Google Maps ・Geospatial Information Authority of Japan (GSI) Maps ・OpenStreetMap ■ GPS Tracking (Route Recording) Automatically records your hiking route as a red line on the map. ・Recording works offline ・Save and export as GPX files ・View and share routes on other apps or PC ■ Other Useful Features Real-time display of current coordinates, elevation, speed, and bearing. ・Custom marker registration (water sources, trail junctions, hazardous areas, etc.) ・Mountain list search and sort (by name, elevation, distance) ・Regional filter function ・Emergency coordinate copy and share function ■ Recommended For ・Those heading to areas without cell coverage ・Beginner hikers worried about getting lost ・Those aiming to conquer all 100 Famous Japanese Mountains ・Those challenging overseas trekking ・Those wanting a backup tool for paper maps and compass ・Those wanting to easily record hiking logs on their smartphone 【Please Note】 Advance map download is required for offline use. GPS accuracy varies depending on device and environment. This app is an auxiliary tool for hiking. Please always carry paper maps, a compass, and sufficient equipment. Submitting a hiking plan and safety management are your own responsibility. Subscription Please refer to the following for terms and conditions regarding subscription use: Privacy Policy: https://www.ontrails.jp/app/privacy-policy/ontrails/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: 品川区浸水AR at none against OnTrails's 1. 品川区浸水AR also leads on ads (none vs shown) and iOS requirement (10.0 vs 13.0). OnTrails's advantage is update cadence (every 4 days vs every 3 weeks). On price 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. OnTrails sells 1 in-app purchase, starting at $0.99 per month. 品川区浸水AR asks for nothing beyond the download.
品川区浸水AR ships an update every 3 weeks, OnTrails every 4 days. The most recent releases landed on November 7, 2026 and November 14, 2026 respectively.
| Parameter | 品川区浸水AR | OnTrails |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 229 MB | 58 MB |
| Age rating | 4+ | 12+ |
| Developer | Prage Co., Ltd. | ONTRAILS |
In-app purchases
品川区浸水AR
No in-app purchases
OnTrails
- 1 Month Plan$0.991 Month









