# 潮汐 vs Moon Events

The clearest difference is in-app purchases: Moon Events at none against 潮汐's 4. Moon Events also leads on update cadence (every 2 weeks vs every 6 weeks). 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. Moon Events asks for nothing beyond the download.

潮汐 ships an update every 6 weeks, Moon Events every 2 weeks. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 潮汐 | Moon Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tide/id1600592667/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 36 MB |
| Requires iOS | **15.6** | 16.7.10 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### 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 |


### Moon Events

[App page](https://appshunter.io/ios/app/moon-events/id6503225086)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 潮汐 free?

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

### Is Moon Events free?

Moon Events is free to download, with no in-app purchases.

### Do 潮汐 or Moon Events have ads?

Both 潮汐 and Moon Events show ads.

### Which is updated more often, 潮汐 or Moon Events?

潮汐 ships an update every 6 weeks, and Moon Events every 2 weeks. Most recently, 潮汐 was updated on September 13, 2026 and Moon Events on September 15, 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.*