# Lịch VN vs Procons Water

The clearest difference is ads: Procons Water at none against Lịch VN's shown. Lịch VN's advantage is update cadence (every 8 days vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lịch VN ships an update every 8 days, Procons Water every 5 months. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Lịch VN | Procons Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lich-vn/id6590609843/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 5 months |
| Monetization | Free | — |
| Size | 48 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Huu Loc Cao](https://appshunter.io/developer/724681011) | [WATER SERVICE SOLUTION TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1695700110) |

## What reviewers say

### Lịch VN

[App page](https://appshunter.io/ios/app/lich-vn/id6590609843)

This utility app provides a calendar for Vietnam, allowing users to easily convert Gregorian dates to Lunar dates and vice versa. It offers a straightforward way to manage and view Vietnamese calendar information.

**Highlights:** Vietnamese calendar view, Gregorian to Lunar date conversion, Lunar to Gregorian date conversion, Date information

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

**In-app purchases:** none


### Procons Water

[App page](https://appshunter.io/ios/app/procons-water/id6758306392)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lịch VN free?

Lịch VN is free to download, with no in-app purchases.

### Is Procons Water free?

Procons Water is free to download, with no in-app purchases.

### Do Lịch VN or Procons Water have ads?

Lịch VN shows ads; Procons Water does not.

### Which is updated more often, Lịch VN or Procons Water?

Lịch VN ships an update every 8 days, and Procons Water every 5 months. Most recently, Lịch VN was updated on September 9, 2026 and Procons Water on September 17, 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.*