# Âm Lịch VN vs Số Lạ

Âm Lịch VN and Số Lạ both sit at 4.8 stars, but that hides the real split: 100% of Âm Lịch VN's written reviews are positive against 71% of Số Lạ's. Số Lạ's advantage is update cadence (every 6 weeks vs every 10 months) and ratings volume (18 vs 4). On price, rating, ads and in-app purchases there is nothing between them.

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

Số Lạ holds the better App Store score, 4.9 against 4.8. Both are backed by a comparable volume of ratings — 4 and 18 respectively. Written reviews complicate that: 100% of Âm Lịch VN's written reviews are positive against 71% of Số Lạ's, so the app with the better star average is not the one people write more warmly about.

Âm Lịch VN ships an update every 10 months, Số Lạ every 6 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Âm Lịch VN | Số Lạ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/am-lich-vn/id1661259378/reviews) | **[4.9 (18 ratings)](https://appshunter.io/ios/app/so-la/id6462660717/reviews)** |
| Number of ratings | 4 | **18** |
| Positive reviews | **100.0% of reviews** | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 36 MB |
| Requires iOS | **15** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thuc Nguyen](https://appshunter.io/developer/1465861310) | [Tuan Anh Vu](https://appshunter.io/developer/398453365) |

## What reviewers say

### Âm Lịch VN

[App page](https://appshunter.io/ios/app/am-lich-vn/id1661259378)

This utility app allows users to view the lunar calendar and convert Gregorian dates to lunar dates. It is designed to be lightweight, simple, and user-friendly, offering a straightforward experience for managing lunar calendar information.

**Highlights:** View lunar calendar, Convert Gregorian to lunar dates, Lightweight design, Simple interface, Easy to use

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

**In-app purchases:** none


### Số Lạ

[App page](https://appshunter.io/ios/app/so-la/id6462660717)

This app identifies spam calls and displays caller ID, featuring a large blacklist of unwanted callers. It also provides a comprehensive directory of Vietnamese businesses and individuals, and allows reporting of fraudulent bank accounts. Enhanced features are available for newer iOS versions.

**Highlights:** Spam call identification, Caller ID display, Extensive blacklist, Vietnamese business directory, Fraudulent bank account reporting, Live Caller ID Lookup (iOS 18+)

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

**In-app purchases:** none


## Frequently asked questions

### Is Âm Lịch VN free?

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

### Is Số Lạ free?

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

### Which has better reviews, Âm Lịch VN or Số Lạ?

Số Lạ is rated higher. Âm Lịch VN averages 4.8 out of 5 from 4 ratings, while Số Lạ averages 4.9 from 18 ratings.

### Do Âm Lịch VN or Số Lạ have ads?

Neither Âm Lịch VN nor Số Lạ shows ads.

### Which is updated more often, Âm Lịch VN or Số Lạ?

Âm Lịch VN ships an update every 10 months, and Số Lạ every 6 weeks. Most recently, Âm Lịch VN was updated on October 21, 2026 and Số Lạ 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.*