# Lịch Việt 4.0 vs neoFacility

The clearest difference is ads: neoFacility at none against Lịch Việt 4.0's shown. neoFacility also leads on update cadence (every 3 weeks 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 Việt 4.0 ships an update every 5 months, neoFacility every 3 weeks. The most recent releases landed on October 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Lịch Việt 4.0 | neoFacility |
| --- | --- | --- |
| 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 5 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khang Le](https://appshunter.io/developer/1586441429) | [Neo Technology Co.LTD](https://appshunter.io/developer/1673212365) |

## What reviewers say

### Lịch Việt 4.0

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

This calendar app offers both lunar and Gregorian calendars, along with a convenient widget for at-a-glance viewing on your home screen. It includes a special moon phase countdown feature for important holidays. Designed with a modern aesthetic, it aims to be a beautiful and practical calendar solution.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### neoFacility

[App page](https://appshunter.io/ios/app/neofacility/id6744959880)

**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 neoFacility free?

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

### Do Lịch Việt 4.0 or neoFacility have ads?

Lịch Việt 4.0 shows ads; neoFacility does not.

### Which is updated more often, Lịch Việt 4.0 or neoFacility?

Lịch Việt 4.0 ships an update every 5 months, and neoFacility every 3 weeks. Most recently, Lịch Việt 4.0 was updated on October 24, 2026 and neoFacility 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.*