# KICASignPlus vs 디지털OTP

The clearest difference is update cadence: KICASignPlus at every 5 weeks against 디지털OTP's every 4 months. 디지털OTP's advantage is iOS requirement (9.0 vs 12.0). On price, review sentiment, 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.

KICASignPlus ships an update every 5 weeks, 디지털OTP every 4 months. The most recent releases landed on September 28, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | KICASignPlus | 디지털OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.6 (9 ratings)](https://appshunter.io/ios/app/otp/id1129049090/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | **8.0% of reviews** | 1.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 43 MB | 45 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Korea Information Certificate Authority Inc.](https://appshunter.io/developer/434192206) | [KFTC](https://appshunter.io/developer/370391938) |

## What reviewers say

### 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


### 디지털OTP

[App page](https://appshunter.io/ios/app/otp/id1129049090)

This app provides a secure digital one-time password (OTP) service directly on your smartphone. It simplifies financial transactions by replacing physical security cards with your mobile device. Register at a participating bank to start using it for secure banking.

**Highlights:** Digital OTP generation, Secure financial transactions, Replaces physical security cards, Supports multiple banks, Face ID authentication, Push notification alerts

**In-app purchases:** none


## Frequently asked questions

### Is KICASignPlus free?

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

### Is 디지털OTP free?

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

### Do KICASignPlus or 디지털OTP have ads?

Neither KICASignPlus nor 디지털OTP shows ads.

### Which is updated more often, KICASignPlus or 디지털OTP?

KICASignPlus ships an update every 5 weeks, and 디지털OTP every 4 months. Most recently, KICASignPlus was updated on September 28, 2026 and 디지털OTP on September 11, 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.*