# TidalWatch vs Suburi

The clearest difference is review sentiment: Suburi at 100% against TidalWatch's 0%. Suburi also leads on update cadence (weekly vs every 3 weeks). TidalWatch's advantage is ads (none vs shown) and iOS requirement (9.0 vs 17.5). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. TidalWatch sells 20 in-app purchases, starting at $0.99 per year and Suburi sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

TidalWatch ships an update every 3 weeks, Suburi weekly. Both last shipped on October 12, 2026.

## The numbers

| Metric | TidalWatch | Suburi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 53 MB | 34 MB |
| Requires iOS | **9.0** | 17.5 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Shinichi HISAMATSU](https://appshunter.io/developer/398895004) | [Osamu Noguchi](https://appshunter.io/developer/457240927) |

## What reviewers say

### TidalWatch

[App page](https://appshunter.io/ios/app/tidalwatch/id1092875095)

This app provides tide charts and barometric pressure forecasts for over 300 locations in Japan. Quickly check tide times and conditions directly on your Apple Watch, ideal for fishing, surfing, or shellfish gathering without needing your iPhone.

**Highlights:** Apple Watch tide charts, Barometric pressure forecasts, Over 300 Japanese locations, Tide and high/low tide times, Quick access on Apple Watch

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

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 福島県 年間ライセンス | $0.99 | per year |
| 千葉県 年間ライセンス | $0.99 | per year |
| 福岡県 年間ライセンス | $0.99 | per year |
| 佐賀県 年間ライセンス | $0.99 | per year |
| 長崎県 年間ライセンス | $0.99 | per year |
| 熊本県 年間ライセンス | $0.99 | per year |
| 大分県 年間ライセンス | $0.99 | per year |
| 宮崎県 年間ライセンス | $0.99 | per year |
| 鹿児島県 年間ライセンス | $0.99 | per year |
| 沖縄県 年間ライセンス | $0.99 | per year |
| 年間ライセンス 北海道 | $0.99 | per year |
| 北海道地方 年間ライセンス | $1.99 | per year |
| 北海道・東北地方 年間ライセンス | $1.99 | per year |
| 関東・信越地方 年間ライセンス | $1.99 | per year |
| 北陸・東海地方 年間ライセンス | $1.99 | per year |
| 近畿地方 年間ライセンス | $1.99 | per year |
| 四国地方 年間ライセンス | $1.99 | per year |
| 中国地方 年間ライセンス | $1.99 | per year |
| 九州・沖縄地方 年間ライセンス | $1.99 | per year |
| 年間ライセンス 全国 | $4.99 | per year |


### Suburi

[App page](https://appshunter.io/ios/app/suburi/id6447453809)

Track your daily practice sessions with automatic swing counting and detailed logs. Visualize your progress through calendars and graphs, and stay motivated with user rankings. Requires an Apple Watch for seamless data transfer.

**Highlights:** Automatic swing counting, Calendar and graph visualization, Detailed practice logs, User ranking for motivation, Apple Watch integration, Practice journal with notes and ratings

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extension Pack | $1.99 | per month |
| Extension Pack | $19.99 | per year |


## Frequently asked questions

### Is TidalWatch free?

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

### Is Suburi free?

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

### Do TidalWatch or Suburi have ads?

Suburi shows ads; TidalWatch does not.

### Which is updated more often, TidalWatch or Suburi?

TidalWatch ships an update every 3 weeks, and Suburi weekly. Most recently, TidalWatch was updated on October 12, 2026 and Suburi on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*