# タイドスコープ vs Tide & Sky

The clearest difference is in-app purchases: タイドスコープ at none against Tide & Sky's 2. タイドスコープ also leads on ads (none vs shown). Tide & Sky's advantage is update cadence (every 2 days vs weekly) and iOS requirement (18.0 vs 26.2). On device support there is nothing between them.

タイドスコープ ships an update weekly, Tide & Sky every 2 days. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | タイドスコープ | Tide & Sky |
| --- | --- | --- |
| Price | — | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tidescope/id6760695853/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free | — |
| Size | 11 MB | 29 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Masahiko Shirai](https://appshunter.io/developer/1885782363) | [AO Inc.](https://appshunter.io/developer/762383198) |

## What reviewers say

### タイドスコープ

[App page](https://appshunter.io/ios/app/tidescope/id6760695853)

This app provides easy-to-understand tide forecasts based on real-time data from 238 observation stations nationwide. It displays current tide levels, high and low tide times, and tide cycles, along with weather and wave information.

**Highlights:** Real-time tide level display, High/low tide times and heights, Tide cycle display, Tide level graphs with weather, Weather, wave, and wind data, GPS for nearest station, Widget and Apple Watch support

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

**In-app purchases:** none


### 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 タイドスコープ free?

Pricing for タイドスコープ is not currently listed on the App Store.

### Is Tide & Sky free?

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

### Do タイドスコープ or Tide & Sky have ads?

Tide & Sky shows ads; タイドスコープ does not.

### Which is updated more often, タイドスコープ or Tide & Sky?

タイドスコープ ships an update weekly, and Tide & Sky every 2 days. Most recently, タイドスコープ was updated on October 7, 2026 and Tide & Sky on October 22, 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.*