# SurfTideWatch (Tide graph) vs 釣り日記

The clearest difference is in-app purchases: SurfTideWatch (Tide graph) at none against 釣り日記's 1. SurfTideWatch (Tide graph) also leads on review sentiment (24% vs 0%) and update cadence (every 3 weeks vs every 2 months). On price, ads and monetization model there is nothing between them.

Both are free to download. 釣り日記 sells 1 one-off in-app purchase. SurfTideWatch (Tide graph) asks for nothing beyond the download.

SurfTideWatch (Tide graph) ships an update every 3 weeks, 釣り日記 every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | SurfTideWatch (Tide graph) | 釣り日記 |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 27 MB | 13 MB |
| Requires iOS | **13.2** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuhiro Shirai](https://appshunter.io/developer/602643484) | [Noboru Kato](https://appshunter.io/developer/1195532207) |

## 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


### 釣り日記

[App page](https://appshunter.io/ios/app/id1630688282)

Record your fishing trips, including catches, misses, and details like location, tackle, and bait. Analyze your fishing data by species, month, or location. Keep your fishing logs private and personal.

**Highlights:** Fishing trip timeline, Catch and no-catch records, Photo album, Fishing spot and tackle management, Catch analysis, Calendar and report view, Backup and restore

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 釣り日記 Pro | $5.99 | one-time |


## Frequently asked questions

### Is SurfTideWatch (Tide graph) free?

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

### Is 釣り日記 free?

釣り日記 is free to download, with in-app purchases available.

### Do SurfTideWatch (Tide graph) or 釣り日記 have ads?

Both SurfTideWatch (Tide graph) and 釣り日記 show ads.

### Which is updated more often, SurfTideWatch (Tide graph) or 釣り日記?

SurfTideWatch (Tide graph) ships an update every 3 weeks, and 釣り日記 every 2 months. Most recently, SurfTideWatch (Tide graph) was updated on November 3, 2026 and 釣り日記 on November 7, 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.*