# 통합인증OTP vs KEPCO PLUG

The clearest difference is update cadence: KEPCO PLUG at every 2 weeks against 통합인증OTP's every 6 weeks. 통합인증OTP's advantage is iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

통합인증OTP ships an update every 6 weeks, KEPCO PLUG every 2 weeks. Both last shipped on November 8, 2026.

## The numbers

| Metric | 통합인증OTP | KEPCO PLUG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 56 MB | 94 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AirCUVE Inc.](https://appshunter.io/developer/898126646) | [한국전력공사](https://appshunter.io/developer/410187085) |

## What reviewers say

### 통합인증OTP

[App page](https://appshunter.io/ios/app/otp/id6502376250)

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

**In-app purchases:** none


### KEPCO PLUG

[App page](https://appshunter.io/ios/app/kepco-plug/id6504782624)

This app provides electric vehicle charging services, including finding charging station locations and their status. It offers navigation integration, payment options, and real-time charging updates for registered users.

**Highlights:** Find charging station locations and status, Navigation integration with TMAP and Kakao Navi, QR code and simple payment options, Real-time charging progress and alerts, View charging history and statistics, Report charging station issues

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

**In-app purchases:** none


## Frequently asked questions

### Is 통합인증OTP free?

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

### Is KEPCO PLUG free?

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

### Do 통합인증OTP or KEPCO PLUG have ads?

Neither 통합인증OTP nor KEPCO PLUG shows ads.

### Which is updated more often, 통합인증OTP or KEPCO PLUG?

통합인증OTP ships an update every 6 weeks, and KEPCO PLUG every 2 weeks. Most recently, 통합인증OTP was updated on November 8, 2026 and KEPCO PLUG on November 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.*