Passport Scan vs SOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Passport Scan
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.
- High-speed data capture
- Advanced OCR technology
- Extracts data from passports, visas, IDs
- Works offline
- High accuracy (over 98%)
- Customizable for local documents
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Introduction: Sinosecu Passport Reader for mobile applications is a high-speed data capture SDK specially designed to read various kinds of travel documents, such as passports, visa, ID cards and driver licenses. With advanced OCR technology, it can automatically extract identity data within few seconds. It can be seamlessly integrated into any application and could work without internet connection. It provides perfect solutions for automatic identity verification. FEATURES: • Speed: Takes only 1s -2s to process one document; • Accuracy: Deliver more than 98% accuracy for character recognition; • Multipurpose: Read ICAO compliant & Non-ICAO travel documents; • Work offline: Able to extract data without internet connection. • Integration: Available for a variety of programming languages; • Customization: Support customized development for local documents; Contact: Email: product@sinosecu.com.cn; Phone:+86 13371621137; Website: www.sinosecu.com.cn/en
SOS
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* The app is used by individuals who have checked into a campus or premises for their safety * Individuals use the app to raise alarms during any security incident within the specific campus or premises where they have checked in * The SOSapp system is integrated with alarm buttons & hooters around the premises * Pressing the button raises sound alarms around the premises and alerts security * The SOSapp button enhances security within premises * It ensures building and campus safety compliance
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Passport Scan | SOS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 207 MB | 1 MB |
| Age rating | 4+ | 17+ |
| Developer | CHINASAFE TECHNOLOGY CO., LTD. | VersionX |
In-app purchases
Passport Scan
No in-app purchases
SOS
No in-app purchases





