# 통합인증센터(전자인증센터) vs KICASignPlus

The clearest difference is update cadence: KICASignPlus at every 5 weeks against 통합인증센터(전자인증센터)'s every 4 months. KICASignPlus also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.6). 통합인증센터(전자인증센터)'s advantage is review sentiment (22% vs 7%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

통합인증센터(전자인증센터) ships an update every 4 months, KICASignPlus every 5 weeks. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 통합인증센터(전자인증센터) | KICASignPlus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **22.2% of reviews** | 7.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 12 MB | 43 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [crosscert](https://appshunter.io/developer/424121835) | [Korea Information Certificate Authority Inc.](https://appshunter.io/developer/434192206) |

## What reviewers say

### 통합인증센터(전자인증센터)

[App page](https://appshunter.io/ios/app/id426081742)

This application allows iPhone users to issue, transfer, and manage digital certificates. It supports the issuance and renewal of specific joint certificates and enables the transfer of certificates between PCs and smartphones.

**Highlights:** Issue and renew digital certificates, Transfer certificates between PC and smartphone, View and manage certificate details, Verify certificate validity, Change certificate passwords, Delete certificates

**Features:** macOS Compatibility

**In-app purchases:** none


### KICASignPlus

[App page](https://appshunter.io/ios/app/kicasignplus/id434358764)

This app provides electronic signature and PKI-based digital certificate services on iOS smart devices. It allows users to manage digital certificates, perform electronic signatures, and verify identities through a mobile browser, mirroring PC functionalities.

**Highlights:** Digital certificate issuance, renewal, and re-issuance, Import/export of digital certificates, Digital certificate management, Mobile browser-based electronic signatures, Identity verification services

**In-app purchases:** none


## Frequently asked questions

### Is 통합인증센터(전자인증센터) free?

통합인증센터(전자인증센터) is free to download, with no in-app purchases.

### Is KICASignPlus free?

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

### Do 통합인증센터(전자인증센터) or KICASignPlus have ads?

Neither 통합인증센터(전자인증센터) nor KICASignPlus shows ads.

### Which is updated more often, 통합인증센터(전자인증센터) or KICASignPlus?

통합인증센터(전자인증센터) ships an update every 4 months, and KICASignPlus every 5 weeks. Most recently, 통합인증센터(전자인증센터) was updated on October 29, 2026 and KICASignPlus on November 1, 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.*