# Global tide vs 唐山运维

The clearest difference is in-app purchases: 唐山运维 at none against Global tide's 4. 唐山运维 also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Global tide sells 4 one-off in-app purchases. 唐山运维 asks for nothing beyond the download.

Global tide ships an update monthly, 唐山运维 every 3 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Global tide | 唐山运维 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (32 ratings)](https://appshunter.io/ios/app/global-tide/id876345983/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 73.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 207 MB | 78 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solot Information Technology Jiangsu Co., Ltd.](https://appshunter.io/developer/1039746032) | [广东旭诚科技有限公司](https://appshunter.io/developer/1048882371) |

## What reviewers say

### Global tide

[App page](https://appshunter.io/ios/app/global-tide/id876345983)

Access offline tide forecasts for harbors, islands, and tide stations worldwide. Get weather predictions and fishing insights to plan your best trips. Supports over 170 countries and 30 languages.

**Highlights:** Offline tide forecasts, Weather and fishing predictions, Customizable spot creation, Global coverage (170+ countries), Multi-language support (30 languages), Integrated Google and Amap maps

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月VIP会员 | $0.99 | one-time |
| 月会员 | $1.99 | one-time |
| 季度会员 | $3.99 | one-time |
| Lifetime VIP fee | $29.99 | one-time |


### 唐山运维

[App page](https://appshunter.io/ios/app/id6448772391)

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

**In-app purchases:** none


## Frequently asked questions

### Is Global tide free?

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

### Is 唐山运维 free?

唐山运维 is free to download, with no in-app purchases.

### Do Global tide or 唐山运维 have ads?

Neither Global tide nor 唐山运维 shows ads.

### Which is updated more often, Global tide or 唐山运维?

Global tide ships an update monthly, and 唐山运维 every 3 weeks. Most recently, Global tide was updated on October 16, 2026 and 唐山运维 on October 6, 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.*