勾配ワカール vs OnTrails
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
勾配ワカール
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勾配ワカールは自転車で走るルートの勾配の変化を調べるアプリケーションです。 日本国内の地点で使用することができます。 勾配の元となる各地点の標高情報は、Yahoo!JAPANの標高APIより取得しています。 出発地と到着地を指定すると、自転車で走れるルートが自動的に検索されます。 勾配のきつさは 5%の坂 ・・・緑色 10%の坂 ・・・黄色 15%以上の坂・・・赤色 と色で示しています。 本アプリをご利用になるには、端末の位置情報の取得を許可していただき、ネットワークに接続している必要がございます。 実際に自転車で走行される際は現地の道路標識等に従うようにしてください。
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: 勾配ワカール at none against OnTrails's 1. 勾配ワカール also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, ads 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. 勾配ワカール asks for nothing beyond the download.
勾配ワカール ships an update every 5 days, OnTrails every 4 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | 勾配ワカール | OnTrails |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 51 MB | 58 MB |
| Age rating | 4+ | 12+ |
| Developer | Sato Kazushige | ONTRAILS |
In-app purchases
勾配ワカール
No in-app purchases
OnTrails
- 1 Month Plan$0.991 Month









