# 潮干狩り予報 vs 潮汐

The clearest difference is review sentiment: 潮汐 at 100% against 潮干狩り予報's 50%. 潮汐 also leads on update cadence (every 6 weeks vs every 10 months). 潮干狩り予報's advantage is in-app purchases (none vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 潮汐 sells 4 one-off in-app purchases. 潮干狩り予報 asks for nothing beyond the download.

潮干狩り予報 ships an update every 10 months, 潮汐 every 6 weeks. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 潮干狩り予報 | 潮汐 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tide/id1600592667/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 58 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Takahiro Izaki](https://appshunter.io/developer/511591595) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### 潮干狩り予報

[App page](https://appshunter.io/ios/app/id854703398)

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

**In-app purchases:** none


### 潮汐

[App page](https://appshunter.io/ios/app/tide/id1600592667)

Access real-time tide and tidal level information across the country. View detailed tide graphs, moon phases, and up to three days of weather forecasts. This app provides quick access to high and low tide data.

**Highlights:** Tide information, Tidal level data, Tide graphs, Moon phase information, 3-day weather forecast

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| 開発者応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is 潮干狩り予報 free?

潮干狩り予報 is free to download, with no in-app purchases.

### Is 潮汐 free?

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

### Do 潮干狩り予報 or 潮汐 have ads?

Both 潮干狩り予報 and 潮汐 show ads.

### Which is updated more often, 潮干狩り予報 or 潮汐?

潮干狩り予報 ships an update every 10 months, and 潮汐 every 6 weeks. Most recently, 潮干狩り予報 was updated on September 21, 2026 and 潮汐 on September 13, 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.*