# Lịch Nước Việt vs Tide Chart Master

The clearest difference is rating: Tide Chart Master at 4.5 against Lịch Nước Việt's 3.3. Tide Chart Master also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Lịch Nước Việt's advantage is monetization model (free with in-app purchases vs subscription) and update cadence (every 6 weeks vs every 4 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Lịch Nước Việt sells 1 in-app purchase, starting at $5.99 per year and Tide Chart Master sells 8 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Tide Chart Master holds the better App Store score, 4.5 against 3.3. Both are backed by a comparable volume of ratings — 21 and 8 respectively.

Lịch Nước Việt ships an update every 6 weeks, Tide Chart Master every 4 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lịch Nước Việt | Tide Chart Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (21 ratings)](https://appshunter.io/ios/app/lich-nuoc-viet/id1347158614/reviews) | **[4.5 (8 ratings)](https://appshunter.io/ios/app/tide-chart-master/id6467185147/reviews)** |
| Number of ratings | **21** | 8 |
| Positive reviews | 30.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 143 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Trung Kien](https://appshunter.io/developer/1345230869) | [苗 何](https://appshunter.io/developer/1814015097) |

## What reviewers say

### Lịch Nước Việt

[App page](https://appshunter.io/ios/app/lich-nuoc-viet/id1347158614)

This app provides detailed tide level information, including hourly, daily, and monthly predictions for high and low tides. It also offers a Vietnamese lunar calendar and fortune-telling features. Designed for safe and convenient travel, especially for those using waterways.

**Highlights:** Hourly tide level predictions, Daily, weekly, monthly tide data, Highest and lowest tide tracking, Vietnamese lunar calendar, Fortune-telling and astrology, Ad-free subscription option

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gói VIP Năm | $5.99 | per year |


### 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 |


## Frequently asked questions

### Is Lịch Nước Việt free?

Lịch Nước Việt is free to download, with in-app purchases available.

### Is Tide Chart Master free?

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

### Which has better reviews, Lịch Nước Việt or Tide Chart Master?

Tide Chart Master is rated higher. Lịch Nước Việt averages 3.3 out of 5 from 21 ratings, while Tide Chart Master averages 4.5 from 8 ratings.

### Do Lịch Nước Việt or Tide Chart Master have ads?

Lịch Nước Việt shows ads; Tide Chart Master does not.

### Which is updated more often, Lịch Nước Việt or Tide Chart Master?

Lịch Nước Việt ships an update every 6 weeks, and Tide Chart Master every 4 months. Most recently, Lịch Nước Việt was updated on October 22, 2026 and Tide Chart Master on October 24, 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.*