# Tide Alert (NOAA) vs 2 kool

The clearest difference is in-app purchases: 2 kool at none against Tide Alert (NOAA)'s 3. 2 kool also leads on rating (5.0 vs 4.8). Tide Alert (NOAA)'s advantage is ratings volume (45K vs 2) and chart position (#36 vs unranked). On price, ads, 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. 2 kool asks for nothing beyond the download.

2 kool 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 2, so its average is the more settled of the two.

## The numbers

| Metric | Tide Alert (NOAA) | 2 kool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (45K ratings)](https://appshunter.io/ios/app/tide-alert-noaa-tide-chart/id1352211125/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/2-kool/id6758806465/reviews)** |
| Number of ratings | **45K** | 2 |
| Positive reviews | 72.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#36** | — |
| Size | 37 MB | 3 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad, Mac, Apple Watch | iPhone, iPad, Mac, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Rivolu LLC](https://appshunter.io/developer/1086229238) | [John Loughlin](https://appshunter.io/developer/1716027167) |

## What reviewers say

### Tide Alert (NOAA)

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

**Currently charting:** #36 Top Grossing · Weather, #77 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


### 2 kool

[App page](https://appshunter.io/ios/app/2-kool/id6758806465)

Instantly see Celsius and Fahrenheit temperatures side-by-side for multiple locations. Avoid awkward translation moments with a clear, readable design and fast city search. Perfect for families and friends across different regions.

**Highlights:** Side-by-side Celsius and Fahrenheit, Current temperature and min/max range, Fast worldwide city search, Current location option, Per-location C/F swap, Light and dark mode, Home and Lock Screen widgets

**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 2 kool free?

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

### Which has better reviews, Tide Alert (NOAA) or 2 kool?

2 kool is rated higher. Tide Alert (NOAA) averages 4.8 out of 5 from 45K ratings, while 2 kool averages 5.0 from 2 ratings.

### Do Tide Alert (NOAA) or 2 kool have ads?

Neither Tide Alert (NOAA) nor 2 kool shows ads.

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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.*