# PASS by SKT vs 충남상품권 chak

The clearest difference is rating: PASS by SKT at 2.6 against 충남상품권 chak's 1.0. PASS by SKT also leads on ratings volume (87 vs 1). 충남상품권 chak's advantage is review sentiment (95% vs 65%). 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.

PASS by SKT holds the better App Store score, 2.6 against 1.0. That said, the two scores are not equally well evidenced: PASS by SKT has 87 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 65% of PASS by SKT's written reviews are positive against 95% of 충남상품권 chak's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PASS by SKT | 충남상품권 chak |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (87 ratings)](https://appshunter.io/ios/app/pass-by-skt/id1141258007/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/chak/id1643801490/reviews) |
| Number of ratings | **87** | 1 |
| Positive reviews | 65.1% of reviews | **95.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 268 MB | 45 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SK Telecom](https://appshunter.io/developer/329992155) | [한국조폐공사](https://appshunter.io/developer/938560543) |

## What reviewers say

### PASS by SKT

[App page](https://appshunter.io/ios/app/pass-by-skt/id1141258007)

This app offers a comprehensive suite of services beyond simple authentication. It includes digital identity verification, secure certificate issuance, mobile identification, and financial management tools. Users can also access health information, lifestyle services, and mobile payment options.

**Highlights:** Digital identity verification, Mobile driver's license and resident registration card, Secure digital certificate issuance, Financial management and investment information, Mobile payment and content fee management, Phishing and identity theft protection, Smart ticket for airport access

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient authentication
- 🚀 Fast and simple verification
- 🔒 Secure login with biometrics
- 💡 Time-saving for frequent verifications
- ✅ Useful for various online services

**What reviewers complain about**

- ❌ Forced default app for documents
- ❌ Difficult to change default app settings
- ❌ App not foreigner-friendly
- ❌ Mandatory additional service promotion
- ❌ Issues with verification and login

**Reported bugs**

- App crashes or closes immediately upon opening
- Cannot delete the app
- App forces itself as the default for document files
- Verification fails even with app installed
- Cannot reset password after phone reset

**Requested features**

- Allow changing default app for documents
- Improve QR code recognition rate
- Provide English translation for the app
- Add option to disable confirmation prompts for biometric login
- Allow manual input of email for support inquiries


### 충남상품권 chak

[App page](https://appshunter.io/ios/app/chak/id1643801490)

This app allows users to easily purchase, gift, and use regional gift certificates for various areas within Chungcheongnam-do. It offers convenient mobile charging, payment options like QR codes, and secure authentication methods. Users can also track their transaction history and find participating merchants.

**Highlights:** Purchase and gift regional gift certificates, Mobile charging via bank account, QR code and card payment options, Transaction history tracking, Find participating merchants, Secure biometric authentication

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PASS by SKT free?

PASS by SKT is free to download, with no in-app purchases.

### Is 충남상품권 chak free?

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

### Which has better reviews, PASS by SKT or 충남상품권 chak?

PASS by SKT is rated higher. PASS by SKT averages 2.6 out of 5 from 87 ratings, while 충남상품권 chak averages 1.0 from 1 ratings.

### Do PASS by SKT or 충남상품권 chak have ads?

Neither PASS by SKT nor 충남상품권 chak shows ads.

### Which is updated more often, PASS by SKT or 충남상품권 chak?

PASS by SKT ships an update every 2 months, and 충남상품권 chak every 2 months. Most recently, PASS by SKT was updated on November 6, 2026 and 충남상품권 chak on November 3, 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.*