# 나이스OTP vs 선배교사

The clearest difference is review sentiment: 선배교사 at 100% against 나이스OTP's 24%. 선배교사 also leads on update cadence (fortnightly vs every 14 months) and iOS requirement (13.0 vs 15.6). 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.

나이스OTP ships an update every 14 months, 선배교사 fortnightly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 나이스OTP | 선배교사 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/otp/id1454181801/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 23.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 60 MB | 33 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [한국교육학술정보원](https://appshunter.io/developer/376298432) | [Peacher Co., Ltd.](https://appshunter.io/developer/1860143526) |

## What reviewers say

### 나이스OTP

[App page](https://appshunter.io/ios/app/otp/id1454181801)

This mobile service provides one-time passwords for user authentication within the 나이스 (NICE) system. It ensures secure access for educational and administrative purposes.

**Highlights:** One-time password generation, Secure user authentication, NICE system integration, Mobile convenience

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

**In-app purchases:** none


### 선배교사

[App page](https://appshunter.io/ios/app/id6756334480)

This app provides a real-time SOS platform for K-12 teachers, offering expert advice on classroom challenges, administrative issues, and personal concerns. It fosters a supportive community for sharing insights, tips, and exclusive VIP benefits tailored for educators.

**Highlights:** Real-time expert Q&A, Teacher support community, Insightful teacher magazine, Verified teacher recommendations, Exclusive VIP benefits for teachers

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

**In-app purchases:** none


## Frequently asked questions

### Is 나이스OTP free?

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

### Is 선배교사 free?

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

### Do 나이스OTP or 선배교사 have ads?

Neither 나이스OTP nor 선배교사 shows ads.

### Which is updated more often, 나이스OTP or 선배교사?

나이스OTP ships an update every 14 months, and 선배교사 fortnightly. Most recently, 나이스OTP was updated on November 2, 2026 and 선배교사 on November 5, 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.*