# EMS MIC vs Số Lạ

The clearest difference is update cadence: EMS MIC at weekly against Số Lạ's every 6 weeks. EMS MIC also leads on iOS requirement (10.0 vs 15.1). 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.

EMS MIC ships an update weekly, Số Lạ every 6 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | EMS MIC | Số Lạ |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 37 MB | 36 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THAI TRINH](https://appshunter.io/developer/1457532780) | [Tuan Anh Vu](https://appshunter.io/developer/398453365) |

## What reviewers say

### EMS MIC

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

**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 EMS MIC free?

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

### Is Số Lạ free?

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

### Do EMS MIC or Số Lạ have ads?

Neither EMS MIC nor Số Lạ shows ads.

### Which is updated more often, EMS MIC or Số Lạ?

EMS MIC ships an update weekly, and Số Lạ every 6 weeks. Most recently, EMS MIC was updated on October 3, 2026 and Số Lạ on October 8, 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.*