# SurfTideWatch (Tide graph) vs 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ

The clearest difference is in-app purchases: SurfTideWatch (Tide graph) at none against 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ's 2. SurfTideWatch (Tide graph) also leads on update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ sells 2 in-app purchases, starting at $1.99 per month. SurfTideWatch (Tide graph) asks for nothing beyond the download.

SurfTideWatch (Tide graph) ships an update every 3 weeks, 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ every 2 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SurfTideWatch (Tide graph) | 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ |
| --- | --- | --- |
| 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 2 months |
| Monetization | Ad-supported | — |
| Size | 27 MB | 65 MB |
| Requires iOS | **13.2** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuhiro Shirai](https://appshunter.io/developer/602643484) | [MARINE NETWORKS INC](https://appshunter.io/developer/1535168074) |

## 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


### 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ

[App page](https://appshunter.io/ios/app/next-gps/id6480042999)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 釣りナビプレミアム | $1.99 | per month |
| 大漁時刻表PLUS | $1.99 | per month |


## Frequently asked questions

### Is SurfTideWatch (Tide graph) free?

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

### Is 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ free?

釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ is free to download, with in-app purchases available.

### Do SurfTideWatch (Tide graph) or 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ have ads?

SurfTideWatch (Tide graph) shows ads; 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ does not.

### Which is updated more often, SurfTideWatch (Tide graph) or 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ?

SurfTideWatch (Tide graph) ships an update every 3 weeks, and 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ every 2 months. Most recently, SurfTideWatch (Tide graph) was updated on September 23, 2026 and 釣りナビくんNEXT 詳細海底地図にポイント登録、GPSナビ on September 22, 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.*