# EMS MIC vs Lịch Việt 4.0

The clearest difference is ads: EMS MIC at none against Lịch Việt 4.0's shown. EMS MIC also leads on update cadence (weekly vs every 5 months) and iOS requirement (10.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

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

EMS MIC ships an update weekly, Lịch Việt 4.0 every 5 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EMS MIC | Lịch Việt 4.0 |
| --- | --- | --- |
| 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 | **No** | Yes |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 37 MB | 5 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [THAI TRINH](https://appshunter.io/developer/1457532780) | [Khang Le](https://appshunter.io/developer/1586441429) |

## What reviewers say

### EMS MIC

[App page](https://appshunter.io/ios/app/ems-mic/id1601763219)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EMS MIC free?

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

### Is Lịch Việt 4.0 free?

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

### Do EMS MIC or Lịch Việt 4.0 have ads?

Lịch Việt 4.0 shows ads; EMS MIC does not.

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

EMS MIC ships an update weekly, and Lịch Việt 4.0 every 5 months. Most recently, EMS MIC was updated on October 25, 2026 and Lịch Việt 4.0 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.*