# 아이루키 OTID vs 스르륵

The clearest difference is review sentiment: 스르륵 at 100% against 아이루키 OTID's 0%. 스르륵 also leads on update cadence (every 2 days vs every 16 months). 아이루키 OTID's advantage is monetization model (free vs freemium) and iOS requirement (9.0 vs 16.0). 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, 스르륵 every 2 days. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 아이루키 OTID | 스르륵 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id6798074875/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 26 MB | 2 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KOREAEXPERT](https://appshunter.io/developer/1161606505) | [sanghyun joo](https://appshunter.io/developer/6798074877) |

## 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


### 스르륵

[App page](https://appshunter.io/ios/app/id6798074875)

This Korean keyboard app allows users to edit text by swiping the spacebar to move the cursor and swiping the backspace to delete. It remembers copied text, offers a quick bar for symbols, and includes customizable themes and animated pixel pets.

**Highlights:** Swipe to move cursor, Swipe to delete text, Clipboard history, Quick symbol bar, Emoji and Kaomoji input, Customizable themes and backgrounds, Pixel pet animations

**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 스르륵 free?

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

### Do 아이루키 OTID or 스르륵 have ads?

Neither 아이루키 OTID nor 스르륵 shows ads.

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

아이루키 OTID ships an update every 16 months, and 스르륵 every 2 days. Most recently, 아이루키 OTID was updated on September 26, 2026 and 스르륵 on September 17, 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.*