Comparison

Passport Scan vs SOS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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

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

About

SOS

Features
Read full description

* 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

Passport Scan3 screens
SOS3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 8 level
Passport Scan versus SOS: the parameters behind the verdict, then further details
ParameterPassport ScanSOS
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size207 MB1 MB
Age rating4+17+
DeveloperCHINASAFE TECHNOLOGY CO., LTD.VersionX

In-app purchases

None

Passport Scan

No in-app purchases

None

SOS

No in-app purchases

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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