# 유심사 vs 에어로케이 AERO K

The clearest difference is review sentiment: 유심사 at 98% against 에어로케이 AERO K's 8%. 유심사 also leads on update cadence (weekly vs every 13 months). 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.

유심사 ships an update weekly, 에어로케이 AERO K every 13 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 유심사 | 에어로케이 AERO K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (32 ratings)](https://appshunter.io/ios/app/esim/id1635360522/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | **98.1% of reviews** | 7.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 13 months |
| Monetization | Free | Free |
| Size | 117 MB | 70 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [gadgetkorea](https://appshunter.io/developer/1635360524) | [SEUNGHOON LEE](https://appshunter.io/developer/633106247) |

## What reviewers say

### 유심사

[App page](https://appshunter.io/ios/app/esim/id1635360522)

This app provides global eSIM and USIM roaming services, offering competitive prices and convenient activation worldwide. Enjoy daily benefits, data management, and 24/7 customer support for a seamless travel experience.

**Highlights:** Global lowest prices, eSIM/USIM purchase and activation, Daily benefits and offers, Data usage tracking and top-up, 24/7 customer support, Easy eSIM installation

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

**In-app purchases:** none


### 에어로케이 AERO K

[App page](https://appshunter.io/ios/app/aero-k/id6737275178)

Easily find the cheapest flights and rental cars by comparing real-time prices from over 200 airlines and travel agencies worldwide. Discover the lowest fares for your desired travel dates and destinations without any registration.

**Highlights:** Compare flight prices from 200+ airlines, Find cheapest travel dates, Real-time fare comparison, Compare rental car prices globally, No registration required

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

**In-app purchases:** none


## Frequently asked questions

### Is 유심사 free?

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

### Is 에어로케이 AERO K free?

에어로케이 AERO K is free to download, with no in-app purchases.

### Do 유심사 or 에어로케이 AERO K have ads?

Neither 유심사 nor 에어로케이 AERO K shows ads.

### Which is updated more often, 유심사 or 에어로케이 AERO K?

유심사 ships an update weekly, and 에어로케이 AERO K every 13 months. Most recently, 유심사 was updated on October 24, 2026 and 에어로케이 AERO K on October 20, 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.*