# TideApp vs Tide Alert (NOAA)

TideApp and Tide Alert (NOAA) both sit at 4.7 stars, but that hides the real split: 75% of Tide Alert (NOAA)'s written reviews are positive against 40% of TideApp's. Tide Alert (NOAA) also leads on ratings volume (45K vs 19) and chart position (#33 vs unranked). TideApp's advantage is monetization model (free vs free with in-app purchases). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. TideApp sells 2 in-app purchases, starting at $4.99 per month and Tide Alert (NOAA) sells 3 in-app purchases, starting at $6.99 per 3 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for TideApp against 4.8 for Tide Alert (NOAA). That said, the two scores are not equally well evidenced: Tide Alert (NOAA) has 45K ratings behind it against 19, so its average is the more settled of the two. Written reviews are what separate them: 40% of TideApp's written reviews are positive against 75% of Tide Alert (NOAA)'s.

TideApp ships an update every 2 weeks, Tide Alert (NOAA) every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TideApp | Tide Alert (NOAA) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (19 ratings)](https://appshunter.io/ios/app/tideapp/id288399415/reviews) | **[4.8 (45K ratings)](https://appshunter.io/ios/app/tide-alert-noaa-tide-chart/id1352211125/reviews)** |
| Number of ratings | 19 | **45K** |
| Positive reviews | 40.0% of reviews | **74.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#33** |
| Size | 49 MB | 37 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Forrest Grant](https://appshunter.io/developer/6804692355) | [Rivolu LLC](https://appshunter.io/developer/1086229238) |

## What reviewers say

### TideApp

[App page](https://appshunter.io/ios/app/tideapp/id288399415)

Access real-time tidal charts and data for over 4,000 locations globally. Plan trips with future tide information and view daily highs, lows, and sun/moon cycles.

**Highlights:** Global tidal charts, Daily tide highs and lows, Sun and moon cycles, Future tide graphs, Trip planning tool, Updated interface

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TideApp Pro Monthly | $4.99 | per month |
| TideApp Pro Annual | $49.99 | per year |

**What reviewers like**

- 👍 Used to be great
- 👍 Phenomenal for timing slack tides
- 👍 Useful for planning activities
- 👍 Good free app
- 👍 Comprehensive location listings

**What reviewers complain about**

- 😞 App is dead
- 😞 Stopped working
- 😞 Startup ad issues
- 😞 Now terrible
- 😞 Full screen ads

**Reported bugs**

- Startup ad forces browser launch
- Cannot get past opening ad
- Full screen ads that can't be closed
- Ads fill entire screen
- Full screen adds one after the other

**Requested features**

- Make a version I can buy and go ad free
- Bring back scrolling through chart waveform
- Bring back future date chart view
- Bring back ability to scroll waveform
- Add tide time offset feature


### Tide Alert (NOAA)

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

**Currently charting:** #33 Top Grossing · Weather, #50 Top Free · Weather (US App Store)

Get accurate tide predictions, lunar phases, and weather data with personalized alerts. Features offline access, customizable charts, and Apple Watch integration. Ideal for anyone who enjoys coastal activities.

**Highlights:** Personalized high and low tide alerts, Offline tide information, Lunar phase calendar, Swell chart with height, period, and direction, Compare tide charts across multiple stations, Customizable tide charts and alerts, Apple Watch integration

**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


## Frequently asked questions

### Is TideApp free?

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

### Is Tide Alert (NOAA) free?

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

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

Tide Alert (NOAA) is rated higher. TideApp averages 4.7 out of 5 from 19 ratings, while Tide Alert (NOAA) averages 4.8 from 45K ratings.

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

Neither TideApp nor Tide Alert (NOAA) shows ads.

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

TideApp ships an update every 2 weeks, and Tide Alert (NOAA) every 3 weeks. Most recently, TideApp was updated on October 27, 2026 and Tide Alert (NOAA) on October 28, 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.*