# 天気と風と波 vs 海天気.jp

The clearest difference is review sentiment: 海天気.jp at 85% against 天気と風と波's 45%. 天気と風と波's advantage is update cadence (monthly vs every 4 months) and iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

天気と風と波 ships an update monthly, 海天気.jp every 4 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | 天気と風と波 | 海天気.jp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 45.5% of reviews | **85.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | — | Ad-supported |
| Size | 26 MB | 39 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuhiro Shirai](https://appshunter.io/developer/602643484) | [Risesystem, inc.](https://appshunter.io/developer/427437064) |

## What reviewers say

### 天気と風と波

[App page](https://appshunter.io/ios/app/id1530207298)

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

**In-app purchases:** none


### 海天気.jp

[App page](https://appshunter.io/ios/app/jp/id1641843175)

Get detailed hourly weather forecasts for over 8,000 marine spots, including wind, temperature, and wave height. Visualize precipitation with clear icons and access 14-day forecasts, tide graphs, and sea surface temperature maps for all your marine activities.

**Highlights:** Hourly forecasts for 8,000+ marine spots, Up to 84-hour pinpoint weather predictions, 14-day weather forecasts, Tide graphs and sea temperature maps, Rain cloud and lightning movement radar, City-level pinpoint weather forecasts, Bookmark favorite marine spots

**In-app purchases:** none


## Frequently asked questions

### Is 天気と風と波 free?

天気と風と波 is free to download, with no in-app purchases.

### Is 海天気.jp free?

海天気.jp is free to download, with no in-app purchases.

### Do 天気と風と波 or 海天気.jp have ads?

Both 天気と風と波 and 海天気.jp show ads.

### Which is updated more often, 天気と風と波 or 海天気.jp?

天気と風と波 ships an update monthly, and 海天気.jp every 4 months. Most recently, 天気と風と波 was updated on November 7, 2026 and 海天気.jp on November 7, 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.*