# 로밍도깨비 eSIM vs OTP라커

The clearest difference is review sentiment: 로밍도깨비 eSIM at 95% against OTP라커's 5%. OTP라커's advantage is monetization model (free vs free with in-app purchases). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

로밍도깨비 eSIM ships an update every 2 weeks, OTP라커 fortnightly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 로밍도깨비 eSIM | OTP라커 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (33 ratings)](https://appshunter.io/ios/app/esim/id1525664178/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | **94.9% of reviews** | 5.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 122 MB | 29 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UANGEL Corp.](https://appshunter.io/developer/305603514) | [TECH'N ROLL Inc.](https://appshunter.io/developer/1809959971) |

## What reviewers say

### 로밍도깨비 eSIM

[App page](https://appshunter.io/ios/app/esim/id1525664178)

This app offers a convenient eSIM data service for travel and business trips, allowing internet access in 150 countries via QR code scan. It provides an affordable alternative to traditional roaming, pocket Wi-Fi, and physical SIM cards.

**Highlights:** eSIM data for 150 countries, QR code activation, Affordable data plans, Dual SIM support for iPhone, Local payment options, Easy sign-up

**In-app purchases:** none


### OTP라커

[App page](https://appshunter.io/ios/app/otp/id6444036952)

This app offers a smart locker solution using your smartphone. Forget keys and complicated kiosks; simply scan a QR code, pay the fee within the app, and receive a one-time password to securely store your belongings. It's designed for easy and safe use of shared lockers.

**Highlights:** Smartphone-controlled lockers, QR code scanning for access, In-app payment, Time-based one-time passwords (TOTP), HMAC-based security technology, Patented sales method

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

**In-app purchases:** none


## Frequently asked questions

### Is 로밍도깨비 eSIM free?

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

### Is OTP라커 free?

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

### Do 로밍도깨비 eSIM or OTP라커 have ads?

Neither 로밍도깨비 eSIM nor OTP라커 shows ads.

### Which is updated more often, 로밍도깨비 eSIM or OTP라커?

로밍도깨비 eSIM ships an update every 2 weeks, and OTP라커 fortnightly. Most recently, 로밍도깨비 eSIM was updated on September 24, 2026 and OTP라커 on September 21, 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.*