# 통합인증OTP vs EvTmate

The clearest difference is ads: 통합인증OTP at none against EvTmate's shown. 통합인증OTP also leads on iOS requirement (12.0 vs 15.0). EvTmate's advantage is update cadence (every 6 days vs every 6 weeks). On price, 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, EvTmate every 6 days. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 통합인증OTP | EvTmate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/evtmate/id6751030275/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 96.9% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | — | Ad-supported |
| Size | 56 MB | 173 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AirCUVE Inc.](https://appshunter.io/developer/898126646) | [Justin Lee](https://appshunter.io/developer/1789036709) |

## What reviewers say

### 통합인증OTP

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

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

**In-app purchases:** none


### EvTmate

[App page](https://appshunter.io/ios/app/evtmate/id6751030275)

This app provides information on port arrivals and electric vehicle subsidies. It also calculates the time elapsed since an electric vehicle contract was signed. Developed by an individual, it is not an official application.

**Highlights:** Port arrival information, Electric vehicle subsidy details, Contract date calculation, Personal development information

**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 EvTmate free?

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

### Do 통합인증OTP or EvTmate have ads?

EvTmate shows ads; 통합인증OTP does not.

### Which is updated more often, 통합인증OTP or EvTmate?

통합인증OTP ships an update every 6 weeks, and EvTmate every 6 days. Most recently, 통합인증OTP was updated on October 19, 2026 and EvTmate on October 25, 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.*