# Tide Charts vs Marea

The clearest difference is ads: Marea at none against Tide Charts's shown. Marea also leads on iOS requirement (8.0 vs 15.1). Tide Charts's advantage is review sentiment (69% vs 50%) and update cadence (every 3 weeks vs every 2 months). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Tide Charts sells 1 one-off in-app purchase and Marea sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Tide Charts ships an update every 3 weeks, Marea every 2 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Tide Charts | Marea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (114K ratings)](https://appshunter.io/ios/app/tide-charts/id957143504/reviews)** | — |
| Number of ratings | **114K** | — |
| Positive reviews | **68.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#27** | — |
| Size | 104 MB | 5 MB |
| Requires iOS | 15.1 | **8.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [7th Gear](https://appshunter.io/developer/321178305) | [App Bakery](https://appshunter.io/developer/1585623049) |

## What reviewers say

### Tide Charts

[App page](https://appshunter.io/ios/app/tide-charts/id957143504)

**Currently charting:** #27 Top Free · Weather (US App Store)

Access worldwide tidal estimates, lunar data, and weather forecasts. Plan outdoor adventures with ease using current radar and offline predictions. Supports Apple Watch and includes a Today Extension for quick access.

**Highlights:** Worldwide tidal estimates, Lunar data, Weather forecast, Current radar, Offline predictions, Favorite station management, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Clear tide information
- 👍 Useful for planning activities
- 💡 Comprehensive data including weather and moon phases
- 🤖 Accurate and reliable
- 🌟 Great app for Apple Watch

**What reviewers complain about**

- 🐛 Inaccurate tide data in some locations
- 🙈 Intrusive and unskippable ads
- 🤯 Ads crashing the app
- 🤔 Confusing UI and navigation
- 🤖 Unreliable Apple Watch complications

**Reported bugs**

- Tide data off by several hours
- Tide graph not displaying correctly
- App crashing on ad dismissal
- Apple Watch complications freezing

**Requested features**

- Ability to set custom locations
- Improved accuracy and data sources
- Option to purchase ad-free version
- Landscape mode support
- More detailed tide height information


### Marea

[App page](https://appshunter.io/ios/app/marea/id1247253028)

Check tide forecasts and moon phases with this app. Ideal for coastal areas or tidal rivers, it provides hour-by-hour tide information and allows for custom datum adjustments.

**Highlights:** Tide forecasts, Moon phase tracking, Hour-by-hour timeline navigation, Customizable datums (in-app purchase), Suitable for coastal and tidal river locations

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Datum Requests | $0.99 | one-time |
| 250 Datum Requests | $1.99 | one-time |


## Frequently asked questions

### Is Tide Charts free?

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

### Is Marea free?

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

### Do Tide Charts or Marea have ads?

Tide Charts shows ads; Marea does not.

### Which is updated more often, Tide Charts or Marea?

Tide Charts ships an update every 3 weeks, and Marea every 2 months. Most recently, Tide Charts was updated on October 20, 2026 and Marea on October 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.*