# 바이오인증공동앱 vs USIM스마트인증

The clearest difference is review sentiment: USIM스마트인증 at 83% against 바이오인증공동앱's 34%. USIM스마트인증 also leads on rating (1.8 vs 1.3). 바이오인증공동앱's advantage is ratings volume (32 vs 4) and device support (3 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 1.3. That said, the two scores are not equally well evidenced: 바이오인증공동앱 has 32 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 34% of 바이오인증공동앱's written reviews are positive against 83% of USIM스마트인증's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 바이오인증공동앱 | USIM스마트인증 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (32 ratings)](https://appshunter.io/ios/app/id1189411033/reviews) | **[1.8 (4 ratings)](https://appshunter.io/ios/app/usim/id1288412388/reviews)** |
| Number of ratings | **32** | 4 |
| Positive reviews | 34.2% of reviews | **82.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | — | Free |
| Size | 53 MB | 50 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KFTC](https://appshunter.io/developer/370391938) | [RaonSecure Co., Ltd.](https://appshunter.io/developer/1288412382) |

## What reviewers say

### 바이오인증공동앱

[App page](https://appshunter.io/ios/app/id1189411033)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 바이오인증공동앱 free?

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

### Is USIM스마트인증 free?

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

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

USIM스마트인증 is rated higher. 바이오인증공동앱 averages 1.3 out of 5 from 32 ratings, while USIM스마트인증 averages 1.8 from 4 ratings.

### Do 바이오인증공동앱 or USIM스마트인증 have ads?

Neither 바이오인증공동앱 nor USIM스마트인증 shows ads.

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

바이오인증공동앱 ships an update every 4 months, and USIM스마트인증 every 4 months. Most recently, 바이오인증공동앱 was updated on November 2, 2026 and USIM스마트인증 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.*