# USIM스마트인증 vs KB국민기업카드

The clearest difference is review sentiment: USIM스마트인증 at 83% against KB국민기업카드's 18%. USIM스마트인증 also leads on rating (1.8 vs 1.0) and ratings volume (4 vs 1). 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.

USIM스마트인증 holds the better App Store score, 1.8 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 83% of USIM스마트인증's written reviews are positive against 18% of KB국민기업카드's.

USIM스마트인증 ships an update every 4 months, KB국민기업카드 every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | USIM스마트인증 | KB국민기업카드 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (4 ratings)](https://appshunter.io/ios/app/usim/id1288412388/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/kb/id1481419031/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **82.6% of reviews** | 18.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 50 MB | 77 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RaonSecure Co., Ltd.](https://appshunter.io/developer/1288412382) | [KB KOOKMINCARD CO., LTD.](https://appshunter.io/developer/474177090) |

## What reviewers say

### USIM스마트인증

[App page](https://appshunter.io/ios/app/usim/id1288412388)

Securely store your digital certificates on your smartphone, eliminating worries about hacking or leaks. Access your certificates easily for logins and financial transactions anytime, anywhere.

**Highlights:** Secure certificate storage on smartphone, Protection against hacking and leaks, Convenient access for logins and transactions, Portable digital certificate management, Use for year-end tax settlement

**Features:** Vision Pro support

**In-app purchases:** none


### KB국민기업카드

[App page](https://appshunter.io/ios/app/kb/id1481419031)

Manage your corporate credit cards with ease. Apply for new cards, adjust limits, view points, and access convenient features like blocking overseas payments. Secure login options include face and fingerprint recognition.

**Highlights:** Fast login with face/fingerprint, Corporate total limit inquiry and modification, New and additional credit card issuance, Pointree inquiry and cashback, Overseas payment blocking, ID/document photo capture for verification

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is USIM스마트인증 free?

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

### Is KB국민기업카드 free?

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

### Which has better reviews, USIM스마트인증 or KB국민기업카드?

USIM스마트인증 is rated higher. USIM스마트인증 averages 1.8 out of 5 from 4 ratings, while KB국민기업카드 averages 1.0 from 1 ratings.

### Do USIM스마트인증 or KB국민기업카드 have ads?

Neither USIM스마트인증 nor KB국민기업카드 shows ads.

### Which is updated more often, USIM스마트인증 or KB국민기업카드?

USIM스마트인증 ships an update every 4 months, and KB국민기업카드 every 2 months. Most recently, USIM스마트인증 was updated on October 9, 2026 and KB국민기업카드 on October 8, 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.*