# 나이스OTP vs Auto Diary

The clearest difference is update cadence: Auto Diary at every 6 weeks against 나이스OTP's every 14 months. Auto Diary also leads on iOS requirement (13.0 vs 15.6). 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.

나이스OTP ships an update every 14 months, Auto Diary every 6 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 나이스OTP | Auto Diary |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 60 MB | 46 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) | [Heebok Lee](https://appshunter.io/developer/1855773499) |

## 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


### Auto Diary

[App page](https://appshunter.io/ios/app/auto-diary/id6762084066)

**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 Auto Diary free?

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

### Do 나이스OTP or Auto Diary have ads?

Neither 나이스OTP nor Auto Diary shows ads.

### Which is updated more often, 나이스OTP or Auto Diary?

나이스OTP ships an update every 14 months, and Auto Diary every 6 weeks. Most recently, 나이스OTP was updated on October 29, 2026 and Auto Diary 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.*