# Số Lạ vs XSPA

The clearest difference is device support: Số Lạ at 2 against XSPA's —. XSPA's advantage is iOS requirement (13.4 vs 15.1). On price 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.

## The numbers

| Metric | Số Lạ | XSPA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/so-la/id6462660717/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 36 MB | 20 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Tuan Anh Vu](https://appshunter.io/developer/398453365) | [Nguyen Tuan Anh](https://appshunter.io/developer/1114434131) |

## What reviewers say

### 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


### XSPA

[App page](https://appshunter.io/ios/app/xspa/id6472018350)

**In-app purchases:** none


## Frequently asked questions

### Is Số Lạ free?

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

### Is XSPA free?

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

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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.*