# Tide Alert (NOAA) vs Meduseo

The clearest difference is in-app purchases: Meduseo at none against Tide Alert (NOAA)'s 3. Meduseo also leads on rating (5.0 vs 4.8) and review sentiment (81% vs 73%). Tide Alert (NOAA)'s advantage is ads (none vs shown) and ratings volume (45K vs 3). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Tide Alert (NOAA) sells 3 in-app purchases, starting at $6.99 per 3 months. Meduseo asks for nothing beyond the download.

Meduseo holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tide Alert (NOAA) has 45K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 73% of Tide Alert (NOAA)'s written reviews are positive against 81% of Meduseo's.

Tide Alert (NOAA) ships an update every 3 weeks, Meduseo every 2 weeks. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Tide Alert (NOAA) | Meduseo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (45K ratings)](https://appshunter.io/ios/app/tide-alert-noaa-tide-chart/id1352211125/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/meduseo/id6535647657/reviews)** |
| Number of ratings | **45K** | 3 |
| Positive reviews | 72.8% of reviews | **81.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#39** | — |
| Size | 37 MB | 38 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rivolu LLC](https://appshunter.io/developer/1086229238) | [Jeremy Deverdun](https://appshunter.io/developer/1756795140) |

## What reviewers say

### Tide Alert (NOAA)

[App page](https://appshunter.io/ios/app/tide-alert-noaa-tide-chart/id1352211125)

**Currently charting:** #39 Top Grossing · Weather, #68 Top Free · Weather (US App Store)

Get accurate tide predictions, current speeds, and lunar phases with this app. It offers custom alerts, offline access, and detailed weather conditions for coastal areas. Plan your outdoor activities with confidence using comprehensive tidal data.

**Highlights:** Tide predictions for thousands of US stations, Tidal current speed and slack tide data, Customizable tide alerts, Full offline access to tide data, Wind, swell, and water temperature forecasts, Apple Watch app and widgets, Moon phase calendar

**Features:** Family Sharing, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months Full Access | $6.99 | per 3 months |
| Tide Alert 1 Year Subscription | $19.99 | per year |
| Tide Alert Gold | $99.99 | one-time |

**What reviewers like**

- 🚀 Accurate and easy to use
- 👍 Straightforward and intuitive interface
- 💡 Useful tide and moon phase information
- 🚀 Convenient widget and alerts
- 👍 Reliable and consistent performance

**What reviewers complain about**

- 🐛 Occasional crashes and sync issues
- 🔋 High battery consumption
- 💰 Subscription requirement for full features

**Reported bugs**

- App crashes on launch after iOS updates
- Tide data not syncing correctly with visual indicators

**Requested features**

- Add support for negative tide levels
- Improve sync between app and Apple Watch
- Implement family sharing for subscription


### Meduseo

[App page](https://appshunter.io/ios/app/meduseo/id6535647657)

Get real-time updates on jellyfish presence at beaches to avoid unpleasant surprises. Visualize jellyfish density on a map with color-coded indicators and contribute your own sightings to the community.

**Highlights:** Real-time jellyfish presence data, Color-coded map visualization, User-submitted jellyfish reports, Updated every 4 hours, Year-round availability, Search by city

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

**In-app purchases:** none


## Frequently asked questions

### Is Tide Alert (NOAA) free?

Tide Alert (NOAA) is free to download, with in-app purchases available.

### Is Meduseo free?

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

### Which has better reviews, Tide Alert (NOAA) or Meduseo?

Meduseo is rated higher. Tide Alert (NOAA) averages 4.8 out of 5 from 45K ratings, while Meduseo averages 5.0 from 3 ratings.

### Do Tide Alert (NOAA) or Meduseo have ads?

Meduseo shows ads; Tide Alert (NOAA) does not.

### Which is updated more often, Tide Alert (NOAA) or Meduseo?

Tide Alert (NOAA) ships an update every 3 weeks, and Meduseo every 2 weeks. Most recently, Tide Alert (NOAA) was updated on November 11, 2026 and Meduseo on November 8, 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.*