# Âm vs Lịch Âm

The clearest difference is update cadence: Âm at every 4 days against Lịch Âm's every 5 weeks. On price, ads, 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.

Âm ships an update every 4 days, Lịch Âm every 5 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Âm | Lịch Âm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/am-lich/id6749788632/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 63 MB | 29 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Emergency Relief Organization Inc](https://appshunter.io/developer/1701272426) | [Nguyen Hai Nam](https://appshunter.io/developer/1773335503) |

## What reviewers say

### Âm

[App page](https://appshunter.io/ios/app/am-lich/id6749788632)

This app provides a comprehensive Vietnamese lunar calendar, supporting dates from 1300 to 2199. It offers bilingual support, date conversion, and features for calculating specific mourning periods. Users can customize its appearance with light and dark modes.

**Highlights:** Vietnamese lunar calendar support, Date range 1300-2199, Bilingual (Vietnamese/English), Lunar to Gregorian date conversion, 49 and 100-day calculation, Light and dark mode interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Lịch Âm

[App page](https://appshunter.io/ios/app/lich-am-van-nien/id6772409007)

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

**In-app purchases:** none


## Frequently asked questions

### Is Âm free?

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

### Is Lịch Âm free?

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

### Do Âm or Lịch Âm have ads?

Neither Âm nor Lịch Âm shows ads.

### Which is updated more often, Âm or Lịch Âm?

Âm ships an update every 4 days, and Lịch Âm every 5 weeks. Most recently, Âm was updated on November 5, 2026 and Lịch Âm on October 31, 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.*