# 海天気.jp vs ゴルフ天気

The clearest difference is in-app purchases: 海天気.jp at none against ゴルフ天気's 3. 海天気.jp also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). ゴルフ天気's advantage is ads (none vs shown) and update cadence (monthly vs every 4 months). On price there is nothing between them.

Both are free to download. ゴルフ天気 sells 3 one-off in-app purchases. 海天気.jp asks for nothing beyond the download.

海天気.jp ships an update every 4 months, ゴルフ天気 monthly. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 海天気.jp | ゴルフ天気 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 37 MB | 9 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Risesystem, inc.](https://appshunter.io/developer/427437064) | [HARUNOBU MIURA](https://appshunter.io/developer/6789043523) |

## What reviewers say

### 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 outlooks for planning. Also provides city-level forecasts and rain cloud movement.

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

**In-app purchases:** none


### ゴルフ天気

[App page](https://appshunter.io/ios/app/id6806167361)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴルフ天気 Pro | $5.99 | one-time |
| ゴルフ天気 Max アップグレード | $5.99 | one-time |
| ゴルフ天気 Max | $11.99 | one-time |


## Frequently asked questions

### Is 海天気.jp free?

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

### Is ゴルフ天気 free?

ゴルフ天気 is free to download, with in-app purchases available.

### Do 海天気.jp or ゴルフ天気 have ads?

海天気.jp shows ads; ゴルフ天気 does not.

### Which is updated more often, 海天気.jp or ゴルフ天気?

海天気.jp ships an update every 4 months, and ゴルフ天気 monthly. Most recently, 海天気.jp was updated on October 30, 2026 and ゴルフ天気 on October 26, 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.*