Comparison

SingleID Authenticator vs ICN SMARTPASS (인천공항 스마트패스)

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

Head to head
About

SingleID Authenticator

This app provides a convenient way to manage multi-factor authentication for various business systems. It supports biometric, PIN, TOTP, and mOTP methods for easy login. Initial setup involves scanning a QR code or manually entering a service code.

Highlights
  • Multi-Factor Authentication (MFA)
  • Biometric login support
  • PIN authentication
  • TOTP and mOTP support
  • QR code registration
  • Mobile push authentication
Features
Read full description

The SingleID is identity and access management service that integrates various access environments so that users can log into various business systems easily. The SingleID Authenticator mobile app makes Multi-Factor Authentication more convenient to use as a biometric, PIN, TOTP, and mOTP. When using the app for the first time, scan the QR shown on the additional authentication screen of the SingleID web or enter the service manual code to register the service. If you need additional authentication on the SingleID web, you can conveniently authenticate through mobile push.

About

ICN SMARTPASS (인천공항 스마트패스)

Register your Smart Pass ID and use the airport with facial recognition. Once registered with your passport and face, it's usable for 5 years with robust security features. Supports mobile and paper boarding passes, with upcoming reservation services.

Highlights
  • Facial recognition airport access
  • 5-year registration validity
  • Passport and face registration
  • Secure authentication (anti-forgery, liveness)
  • Mobile and paper boarding pass support
  • Upcoming reservation services
Features
Read full description

- 스마트패스ID를 등록하고 얼굴로 인천공항을 이용. - 여권과 얼굴로 한번만 등록하면 5년간 이용가능 - 다양한 보안장치로 안전하게 이용(여권위변조방지, 라이브니스 등) - 모바일탑승권, 종이탑승권 등록 가능 - 다양한 예약서비스로 편리하게 이용 (단계별 오픈) - NFC 리더기가 있는 아이폰만 사용가능

Screenshots

SingleID Authenticator3 screens
ICN SMARTPASS (인천공항 스마트패스)4 screens

Verdict

The call

The clearest difference is rating: ICN SMARTPASS (인천공항 스마트패스) at 1.5 against SingleID Authenticator's 1.3. ICN SMARTPASS (인천공항 스마트패스) also leads on ratings volume (167 vs 16). SingleID Authenticator's advantage is iOS requirement (13.0 vs 16.7). On price, review sentiment, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

ICN SMARTPASS (인천공항 스마트패스) holds the better App Store score, 1.5 against 1.3. That said, the two scores are not equally well evidenced: ICN SMARTPASS (인천공항 스마트패스) has 167 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 7% of SingleID Authenticator's written reviews are positive against 12% of ICN SMARTPASS (인천공항 스마트패스)'s.

UpkeepUpdate frequency

SingleID Authenticator ships an update every 2 months, ICN SMARTPASS (인천공항 스마트패스) every 6 weeks. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
SingleID Authenticator versus ICN SMARTPASS (인천공항 스마트패스): the parameters behind the verdict, then further details
ParameterSingleID AuthenticatorICN SMARTPASS (인천공항 스마트패스)
PriceFreeFree
Rating1.3 (16 ratings)1.5 (167 ratings) — better
Positive reviews6.7% of reviews12.1% of reviews — better
Number of ratings16167 — better
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.7
Further details — not scored
Size54 MB209 MB
Age rating4+4+
DeveloperSAMSUNG SDS Co.,LTD인천국제공항공사

Customer experience

SingleID Authenticator

All ratings13 ratings
Positive7.7%
Neutral0.0%
Negative92.3%
Written reviews15 reviews
Positive6.7%
Neutral0.0%
Negative93.3%

ICN SMARTPASS (인천공항 스마트패스)

All ratings158 ratings
Positive10.8%
Neutral3.8%
Negative85.4%
Written reviews215 reviews
Positive12.1%
Neutral6.0%
Negative81.9%

Bugs and requests

SingleID Authenticator

Not enough reviews yet to summarise bugs or requests.

ICN SMARTPASS (인천공항 스마트패스)

Reported bugs

3 issues
  • Passport chip scanning not working
  • Boarding pass QR code not recognized
  • Registration and verification process issues

Requested features

3 requests
  • Manual passport information entry option
  • Better instructions and guidance for users
  • Support for more passport types and boarding pass formats

In-app purchases

None

SingleID Authenticator

No in-app purchases

None

ICN SMARTPASS (인천공항 스마트패스)

No in-app purchases

Questions

Is SingleID Authenticator free?
SingleID Authenticator is free to download, with no in-app purchases.
Is ICN SMARTPASS (인천공항 스마트패스) free?
ICN SMARTPASS (인천공항 스마트패스) is free to download, with no in-app purchases.
Which has better reviews, SingleID Authenticator or ICN SMARTPASS (인천공항 스마트패스)?
ICN SMARTPASS (인천공항 스마트패스) is rated higher. SingleID Authenticator averages 1.3 out of 5 from 16 ratings, while ICN SMARTPASS (인천공항 스마트패스) averages 1.5 from 167 ratings.
Do SingleID Authenticator or ICN SMARTPASS (인천공항 스마트패스) have ads?
Neither SingleID Authenticator nor ICN SMARTPASS (인천공항 스마트패스) shows ads.
Which is updated more often, SingleID Authenticator or ICN SMARTPASS (인천공항 스마트패스)?
SingleID Authenticator ships an update every 2 months, and ICN SMARTPASS (인천공항 스마트패스) every 6 weeks. Most recently, SingleID Authenticator was updated on November 3, 2026 and ICN SMARTPASS (인천공항 스마트패스) on November 3, 2026.

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