# Tide Chart Master vs High Tide Chart

The clearest difference is ads: Tide Chart Master at none against High Tide Chart's shown. Tide Chart Master also leads on iOS requirement (13.0 vs 15.0). High Tide Chart's advantage is device support (4 vs 2). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Tide Chart Master sells 8 in-app purchases, starting at $0.99 per month and High Tide Chart sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Tide Chart Master ships an update every 4 months, High Tide Chart every 2 months. The most recent releases landed on July 6, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Tide Chart Master | High Tide Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/tide-chart-master/id6467185147/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Subscription | — |
| Size | 36 MB | 47 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [苗 何](https://appshunter.io/developer/1814015097) | [Web Evolui](https://appshunter.io/developer/1476642695) |

## What reviewers say

### Tide Chart Master

[App page](https://appshunter.io/ios/app/tide-chart-master/id6467185147)

Access global tide charts with intuitive line graphs and 7-day weather forecasts. Includes tools for temperature, humidity, air quality, decibel detection, and a compass for navigation.

**Highlights:** Global tide chart viewing, 7-day weather forecast, Sunrise/sunset times, Temperature and humidity measurement, Air quality and decibel detection, Compass for direction

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 誉贺全球潮汐：订阅月度专业版高级服务 | $0.99 | per month |
| Tide Chart: Weekly Subscription | $0.99 | per 7 days |
| 誉贺全球潮汐：订阅月度高级专业版服务 | $2.99 | per month |
| 誉贺全球潮汐：订阅半年专业版高级服务 | $3.99 | per 6 months |
| Tide Chart: Weekly Subscription | $4.99 | per 7 days |
| 潮汐表：高级权限季度订阅 | $9.99 | per 3 months |
| 誉贺全球潮汐：订阅半年高级专业版服务 | $14.99 | per 6 months |
| Tide Chart: Quarterly Subscription | $24.99 | per 3 months |


### High Tide Chart

[App page](https://appshunter.io/ios/app/high-tide-chart/id6753727747)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| High Tide Premium | $3.99 | per month |


## Frequently asked questions

### Is Tide Chart Master free?

Tide Chart Master is free to download, with in-app purchases available.

### Is High Tide Chart free?

High Tide Chart is free to download, with in-app purchases available.

### Do Tide Chart Master or High Tide Chart have ads?

High Tide Chart shows ads; Tide Chart Master does not.

### Which is updated more often, Tide Chart Master or High Tide Chart?

Tide Chart Master ships an update every 4 months, and High Tide Chart every 2 months. Most recently, Tide Chart Master was updated on July 6, 2026 and High Tide Chart on August 21, 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.*