# 河川水位 vs SpinVane

The clearest difference is price: 河川水位 at Free against SpinVane's $1.99. 河川水位 also leads on iOS requirement (15.6 vs 18.2). SpinVane's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

河川水位 is free to download; SpinVane costs $1.99 up front. 河川水位 sells 4 one-off in-app purchases. SpinVane asks for nothing beyond the download.

河川水位 ships an update every 5 weeks, SpinVane daily. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 河川水位 | SpinVane |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Daily** |
| Best chart rank | — | **#44** |
| Size | 73 MB | 10 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [Yu Ikeda](https://appshunter.io/developer/394579323) |

## What reviewers say

### 河川水位

[App page](https://appshunter.io/ios/app/id1595112434)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| 開発者応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


### SpinVane

[App page](https://appshunter.io/ios/app/spinvane/id6745381092)

**Currently charting:** #44 Top Paid · Weather (US App Store)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 河川水位 free?

河川水位 is free to download, with in-app purchases available.

### Is SpinVane free?

SpinVane costs $1.99, with no in-app purchases.

### Do 河川水位 or SpinVane have ads?

河川水位 shows ads; SpinVane does not.

### Which is updated more often, 河川水位 or SpinVane?

河川水位 ships an update every 5 weeks, and SpinVane daily. Most recently, 河川水位 was updated on October 25, 2026 and SpinVane on October 30, 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.*