# Passport Scan vs SOS

The clearest difference is iOS requirement: Passport Scan at 13.0 against SOS's 15.0. On price, update cadence, 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.

Passport Scan ships an update every 5 months, SOS every 6 months. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Passport Scan | SOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/passport-scan/id1141283594/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | — |
| Size | 207 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CHINASAFE TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1133064603) | [VersionX](https://appshunter.io/developer/1342682954) |

## What reviewers say

### Passport Scan

[App page](https://appshunter.io/ios/app/passport-scan/id1141283594)

This SDK rapidly extracts identity data from travel documents like passports and IDs using advanced OCR technology. It offers high accuracy and works offline, making it ideal for automatic identity verification within other applications.

**Highlights:** High-speed data capture, Advanced OCR technology, Extracts data from passports, visas, IDs, Works offline, High accuracy (over 98%), Customizable for local documents

**In-app purchases:** none


### SOS

[App page](https://appshunter.io/ios/app/sos-versionx/id6504358291)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Passport Scan free?

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

### Is SOS free?

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

### Do Passport Scan or SOS have ads?

Neither Passport Scan nor SOS shows ads.

### Which is updated more often, Passport Scan or SOS?

Passport Scan ships an update every 5 months, and SOS every 6 months. Most recently, Passport Scan was updated on October 13, 2026 and SOS on October 25, 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.*