# タイドと気象情報 vs Tide & Sky

The clearest difference is update cadence: Tide & Sky at every 2 days against タイドと気象情報's fortnightly. タイドと気象情報's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. タイドと気象情報 sells 4 in-app purchases, starting at $0.49 per month and Tide & Sky sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

タイドと気象情報 ships an update fortnightly, Tide & Sky every 2 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | タイドと気象情報 | Tide & Sky |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 27 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuhiro Shirai](https://appshunter.io/developer/602643484) | [AO Inc.](https://appshunter.io/developer/762383198) |

## What reviewers say

### 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 |


### Tide & Sky

[App page](https://appshunter.io/ios/app/tide-and-sky/id6809079481)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tide & Sky Premium Monthly | $1.99 | per month |
| Tide & Sky Premium Yearly | $14.99 | per year |


## Frequently asked questions

### 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.

### Is Tide & Sky free?

Tide & Sky is free to download, with in-app purchases available.

### Do タイドと気象情報 or Tide & Sky have ads?

Both タイドと気象情報 and Tide & Sky show ads.

### Which is updated more often, タイドと気象情報 or Tide & Sky?

タイドと気象情報 ships an update fortnightly, and Tide & Sky every 2 days. Most recently, タイドと気象情報 was updated on October 8, 2026 and Tide & Sky on October 5, 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.*