# 아이루키 OTID vs 청구박사

The clearest difference is update cadence: 청구박사 at every 10 days against 아이루키 OTID's every 16 months. 아이루키 OTID's advantage is iOS requirement (9.0 vs 12.0). 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.

아이루키 OTID ships an update every 16 months, 청구박사 every 10 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 아이루키 OTID | 청구박사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 26 MB | 33 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KOREAEXPERT](https://appshunter.io/developer/1161606505) | [Kyoungwon Lee](https://appshunter.io/developer/1812453576) |

## What reviewers say

### 아이루키 OTID

[App page](https://appshunter.io/ios/app/otid/id1377519293)

This app provides one-time random IDs (OTIDs) for secure and convenient user authentication. Forget memorizing IDs and passwords; this solution offers faster logins and enhanced security with unique, time-limited credentials. Registration is simple via QR code scanning.

**Highlights:** One-time random ID generation, Eliminates need to memorize credentials, Faster and easier logins, Enhanced security with time-limited IDs, Simple QR code registration, Mobile and web auto-login

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

**In-app purchases:** none


### 청구박사

[App page](https://appshunter.io/ios/app/id6745481601)

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

**In-app purchases:** none


## Frequently asked questions

### Is 아이루키 OTID free?

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

### Is 청구박사 free?

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

### Do 아이루키 OTID or 청구박사 have ads?

Neither 아이루키 OTID nor 청구박사 shows ads.

### Which is updated more often, 아이루키 OTID or 청구박사?

아이루키 OTID ships an update every 16 months, and 청구박사 every 10 days. Most recently, 아이루키 OTID was updated on October 12, 2026 and 청구박사 on October 10, 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.*