# 天気図 vs タイドと気象情報

The clearest difference is review sentiment: 天気図 at 50% against タイドと気象情報's 0%. タイドと気象情報's advantage is update cadence (fortnightly vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 天気図 sells 4 one-off in-app purchases and タイドと気象情報 sells 4 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

天気図 ships an update monthly, タイドと気象情報 fortnightly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 天気図 | タイドと気象情報 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 31 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [Mitsuhiro Shirai](https://appshunter.io/developer/602643484) |

## What reviewers say

### 天気図

[App page](https://appshunter.io/ios/app/weather-chart/id1605506776)

View weather charts for the past 3 days and up to 48 hours into the future. This application utilizes weather maps from the Japan Meteorological Agency to display various regional and high-altitude analyses and forecasts.

**Highlights:** Past 3-day weather charts, 48-hour weather forecasts, Regional weather maps, High-altitude analysis charts, Japan Meteorological Agency data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| アプリケーション開発者への応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


### タイドと気象情報

[App page](https://appshunter.io/ios/app/surftidex/id1637360116)

This app provides tide graphs, wave information, and weather forecasts for marine sports like surfing and fishing. It displays information in customizable cards, offering detailed insights into tides, weather patterns, and news. Supports widgets and Apple Watch for convenient access.

**Highlights:** Tide graphs and forecasts, Wave and weather information, Customizable information cards, Weather map and nowcasting, Keyword-based news aggregation, Web link saving, Widget and Apple Watch support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ブロンズ | $0.49 | per month |
| シルバー | $1.99 | per 3 months |
| ゴールド | $2.99 | per 6 months |
| プラチナ | $3.99 | per year |


## Frequently asked questions

### Is 天気図 free?

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

### Is タイドと気象情報 free?

タイドと気象情報 is free to download, with in-app purchases available.

### Do 天気図 or タイドと気象情報 have ads?

Both 天気図 and タイドと気象情報 show ads.

### Which is updated more often, 天気図 or タイドと気象情報?

天気図 ships an update monthly, and タイドと気象情報 fortnightly. Most recently, 天気図 was updated on October 7, 2026 and タイドと気象情報 on October 8, 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.*