# Lịch Việt 4.0 vs VST Smart

The clearest difference is ads: VST Smart at none against Lịch Việt 4.0's shown. 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.

## The numbers

| Metric | Lịch Việt 4.0 | VST Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (137 ratings)](https://appshunter.io/ios/app/lich-viet-40/id6446670869/reviews)** | — |
| Number of ratings | **137** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | — |
| Monetization | Ad-supported | — |
| Size | 7 MB | 19 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khang Le](https://appshunter.io/developer/1586441429) | [Nguyen Quoc Oai](https://appshunter.io/developer/1836364887) |

## What reviewers say

### Lịch Việt 4.0

[App page](https://appshunter.io/ios/app/lich-viet-40/id6446670869)

This utility app provides a modern calendar experience with both Gregorian and lunar dates. It features a convenient home screen widget for quick access to date information and special countdowns for important holidays and lunar phases, enhancing user convenience.

**Highlights:** Gregorian and lunar calendar support, Home screen widget, Holiday countdowns, Lunar phase tracking, Modern design

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

**In-app purchases:** none


### VST Smart

[App page](https://appshunter.io/ios/app/vst-smart/id6820918317)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lịch Việt 4.0 free?

Lịch Việt 4.0 is free to download, with no in-app purchases.

### Is VST Smart free?

VST Smart is free to download, with no in-app purchases.

### Do Lịch Việt 4.0 or VST Smart have ads?

Lịch Việt 4.0 shows ads; VST Smart does not.

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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.*