# SurfTideWatch (Tide graph) vs WeWave Surf

The clearest difference is in-app purchases: SurfTideWatch (Tide graph) at none against WeWave Surf's 1. SurfTideWatch (Tide graph) also leads on iOS requirement (13.2 vs 15.1). WeWave Surf's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. WeWave Surf sells 1 in-app purchase, starting at $0.99 per month. SurfTideWatch (Tide graph) asks for nothing beyond the download.

SurfTideWatch (Tide graph) ships an update every 3 weeks, WeWave Surf every 5 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SurfTideWatch (Tide graph) | WeWave Surf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (8 ratings)](https://appshunter.io/ios/app/surftidewatch-tide-graph/id1507871573/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 24.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 27 MB | 26 MB |
| Requires iOS | **13.2** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuhiro Shirai](https://appshunter.io/developer/602643484) | [RasenAI Inc.](https://appshunter.io/developer/1896026457) |

## What reviewers say

### SurfTideWatch (Tide graph)

[App page](https://appshunter.io/ios/app/surftidewatch-tide-graph/id1507871573)

Visualize tide graphs and astronomical events for marine sports. Select from thousands of global tide points and synchronize data to your Apple Watch. Customize place names and utilize complications for quick access to tide information.

**Highlights:** Tide graph visualization, Global tide point selection (10,000+), Synchronization with Apple Watch, Customizable place names, Astronomical event display (sunrise, sunset), Apple Watch complications support

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

**In-app purchases:** none


### WeWave Surf

[App page](https://appshunter.io/ios/app/wewave-surf/id6765656262)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeWave Pro | $0.99 | per month |


## Frequently asked questions

### Is SurfTideWatch (Tide graph) free?

SurfTideWatch (Tide graph) is free to download, with no in-app purchases.

### Is WeWave Surf free?

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

### Do SurfTideWatch (Tide graph) or WeWave Surf have ads?

SurfTideWatch (Tide graph) shows ads; WeWave Surf does not.

### Which is updated more often, SurfTideWatch (Tide graph) or WeWave Surf?

SurfTideWatch (Tide graph) ships an update every 3 weeks, and WeWave Surf every 5 days. Most recently, SurfTideWatch (Tide graph) was updated on October 16, 2026 and WeWave Surf on October 5, 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.*