# My Tides vs Moonwater

The clearest difference is in-app purchases: Moonwater at none against My Tides's 2. My Tides's advantage is update cadence (every 3 days vs every 3 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. My Tides sells 2 in-app purchases, starting at $8.99 per year. Moonwater asks for nothing beyond the download.

My Tides ships an update every 3 days, Moonwater every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | My Tides | Moonwater |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 23.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 122 MB | 5 MB |
| Requires iOS | **18.0** | 27.1 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Agustin Prats](https://appshunter.io/developer/1191486614) | [Jeroen Zonneveld](https://appshunter.io/developer/986977335) |

## What reviewers say

### My Tides

[App page](https://appshunter.io/ios/app/my-tides/id1545819956)

Get precise tidal predictions for over 6,000 stations worldwide, entirely offline. Access live tide charts, detailed tables, moon phases, and sun events. Plan your outdoor activities with home screen widgets and Apple Watch support.

**Highlights:** Offline tide predictions, Live tide charts, Detailed tide tables, Moon phases and sun events, Home screen widgets, Apple Watch app, Siri and Shortcuts support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $8.99 | per year |
| Lifetime Access | $24.99 | one-time |


### Moonwater

[App page](https://appshunter.io/ios/app/moonwater/id6786026778)

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

**In-app purchases:** none


## Frequently asked questions

### Is My Tides free?

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

### Is Moonwater free?

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

### Do My Tides or Moonwater have ads?

Neither My Tides nor Moonwater shows ads.

### Which is updated more often, My Tides or Moonwater?

My Tides ships an update every 3 days, and Moonwater every 3 weeks. Most recently, My Tides was updated on November 3, 2026 and Moonwater on October 31, 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.*