# 勾配ワカール vs OnTrails

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.

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.

## The numbers

| Metric | 勾配ワカール | OnTrails |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ontrails/id6477734046/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 58 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sato Kazushige](https://appshunter.io/developer/1372667587) | [ONTRAILS](https://appshunter.io/developer/1570756171) |

## What reviewers say

### 勾配ワカール

[App page](https://appshunter.io/ios/app/id6444750906)

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

**In-app purchases:** none


### OnTrails

[App page](https://appshunter.io/ios/app/ontrails/id6477734046)

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.

**Highlights:** 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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Plan | $0.99 | per month |


## Frequently asked questions

### Is 勾配ワカール free?

勾配ワカール is free to download, with no in-app purchases.

### Is OnTrails free?

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

### Do 勾配ワカール or OnTrails have ads?

Both 勾配ワカール and OnTrails show ads.

### Which is updated more often, 勾配ワカール or OnTrails?

勾配ワカール ships an update every 5 days, and OnTrails every 4 days. Most recently, 勾配ワカール was updated on October 27, 2026 and OnTrails on October 24, 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.*