# 유심사 vs PhaseShift

The clearest difference is ads: 유심사 at none against PhaseShift's shown. 유심사 also leads on update cadence (weekly vs fortnightly) and iOS requirement (15 vs 17.0). On price, 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.

유심사 ships an update weekly, PhaseShift fortnightly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 유심사 | PhaseShift |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 117 MB | 16 MB |
| Requires iOS | **15** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [gadgetkorea](https://appshunter.io/developer/1635360524) | [DAEHONG MIN](https://appshunter.io/developer/6787942588) |

## 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


### PhaseShift

[App page](https://appshunter.io/ios/app/phaseshift-jet-lag-planner/id6804650090)

**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 PhaseShift free?

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

### Do 유심사 or PhaseShift have ads?

PhaseShift shows ads; 유심사 does not.

### Which is updated more often, 유심사 or PhaseShift?

유심사 ships an update weekly, and PhaseShift fortnightly. Most recently, 유심사 was updated on October 30, 2026 and PhaseShift on October 29, 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.*