# タイドスコープ vs 潮時計

The clearest difference is iOS requirement: 潮時計 at 15.0 against タイドスコープ's 26.2. On update cadence, ads, in-app purchases and device support there is nothing between them.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | タイドスコープ | 潮時計 |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 11 MB | 73 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masahiko Shirai](https://appshunter.io/developer/1885782363) | [Tsuyoshi Yokoyama](https://appshunter.io/developer/6794326203) |

## 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


### 潮時計

[App page](https://appshunter.io/ios/app/id6794326201)

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

**In-app purchases:** none


## 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 潮時計 free?

潮時計 is free to download, with no in-app purchases.

### Do タイドスコープ or 潮時計 have ads?

Neither タイドスコープ nor 潮時計 shows ads.

### Which is updated more often, タイドスコープ or 潮時計?

タイドスコープ ships an update weekly, and 潮時計 weekly. Most recently, タイドスコープ was updated on October 7, 2026 and 潮時計 on October 16, 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.*