# Amemil vs 海天気.jp

The clearest difference is review sentiment: 海天気.jp at 85% against Amemil's 43%. 海天気.jp also leads on in-app purchases (none vs 1) and iOS requirement (15.6 vs 26.6). Amemil's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Amemil sells 1 in-app purchase, starting at $0.99 per month. 海天気.jp asks for nothing beyond the download.

Amemil ships an update every 3 weeks, 海天気.jp every 4 months. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Amemil | 海天気.jp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amemil/id640441905/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 42.9% of reviews | **85.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 115 MB | 37 MB |
| Requires iOS | 26.6 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shimadzu Business Systems Corporation](https://appshunter.io/developer/384043856) | [Risesystem, inc.](https://appshunter.io/developer/427437064) |

## What reviewers say

### Amemil

[App page](https://appshunter.io/ios/app/amemil/id640441905)

This app uses augmented reality and artificial intelligence to provide real-time, high-accuracy rain forecasts. Visualize approaching rain clouds as realistic images through your camera and receive voice notifications for expected rainfall.

**Highlights:** Augmented Reality (AR) rain visualization, AI-powered rain cloud detection, Real-time rainfall data (250m mesh, updated every 5 mins), Push notifications with voice alerts, Multiple display modes (2D map, 3D AR, Satellite Eye), Widget and Siri shortcut support, Apple Watch integration

**Features:** macOS Compatibility, Siri integration, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アメミル月額会員 | $0.99 | per month |


### 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


## Frequently asked questions

### Is Amemil free?

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

### Is 海天気.jp free?

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

### Do Amemil or 海天気.jp have ads?

Both Amemil and 海天気.jp show ads.

### Which is updated more often, Amemil or 海天気.jp?

Amemil ships an update every 3 weeks, and 海天気.jp every 4 months. Most recently, Amemil was updated on October 8, 2026 and 海天気.jp on October 15, 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.*