# vCaller vs Số Lạ

The clearest difference is review sentiment: Số Lạ at 71% against vCaller's 36%. Số Lạ also leads on in-app purchases (none vs 3) and rating (4.9 vs 4.6). vCaller's advantage is iOS requirement (12.1 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. vCaller sells 3 in-app purchases, starting at $1.49 per month. Số Lạ asks for nothing beyond the download.

Số Lạ holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 8 and 15 respectively. Written reviews point the same way: 36% of vCaller's written reviews are positive against 71% of Số Lạ's.

vCaller ships an update monthly, Số Lạ every 6 weeks. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | vCaller | Số Lạ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (8 ratings)](https://appshunter.io/ios/app/vcaller/id1531648039/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/so-la/id6462660717/reviews)** |
| Number of ratings | 8 | **15** |
| Positive reviews | 36.4% of reviews | **71.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 61 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INTERNATIONAL INMOTECK TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1697525295) | [Tuan Anh Vu](https://appshunter.io/developer/398453365) |

## What reviewers say

### vCaller

[App page](https://appshunter.io/ios/app/vcaller/id1531648039)

This app uses AI and community reports to identify and block unwanted calls like spam, ads, and scams. It also displays caller ID information so you can decide whether to answer before picking up.

**Highlights:** AI-powered spam call detection, Community-based reporting, Caller ID display, Automatic call blocking, Blocks spam, ads, and scams

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $1.49 | per month |
| 6 months | $6.29 | per 6 months |
| 1 year | $10.49 | per year |


### 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 vCaller free?

vCaller is free to download, with in-app purchases available.

### Is Số Lạ free?

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

### Which has better reviews, vCaller or Số Lạ?

Số Lạ is rated higher. vCaller averages 4.6 out of 5 from 8 ratings, while Số Lạ averages 4.9 from 15 ratings.

### Do vCaller or Số Lạ have ads?

Neither vCaller nor Số Lạ shows ads.

### Which is updated more often, vCaller or Số Lạ?

vCaller ships an update monthly, and Số Lạ every 6 weeks. Most recently, vCaller was updated on September 18, 2026 and Số Lạ on September 21, 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.*