EastarJet vs 유심사
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EastarJet
Book flights easily with a fast reservation system. Enjoy free date changes for international trips and real-time airport information. Prepare for your journey with convenient payment options and offline app usage.
- Free international date changes
- Fast ticket reservation system
- Lowest fares at a glance
- Simple payment services
- Real-time airport congestion status
- Offline app usage
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Easy travel starts here. Easy Flight, EASTAR JET No Worries About Plans Changing Free Date Changes for International Trips! Enjoy the convenience of preparing your trip with our easy and fast ticket reservation system. • Main convenient features - Lowest fares by route at a glance - Various simple payment services - Real-time congestion status for airport check-in counters - Real-time congestion status for airport parking lots - Use the app in airplane mode even without internet • Optional access permissions - Location: Automatically select the nearest departure airport - Phone: For offline reservations and inquiries via call - Photos, videos, documents: For submitting feedback (Customer Voice)
유심사
Easily prepare for your travels with eSIM and USIM options. Choose data plans for various countries, enjoy simple installation, and stay connected without data worries. Get free data for ChatGPT and Google Maps with eligible purchases.
- Global eSIM and USIM plans
- Data plans for various countries
- Easy installation and setup guide
- Data top-up and extension
- Free data for ChatGPT & Google Maps
- App-exclusive coupons and benefits
- 24/7 customer support
- Communication failure insurance
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요즘 유심사는 법, 유심사 여행을 준비하는 순간부터 현지에 도착하는 순간까지, 유심사 이심·유심으로 데이터 걱정 없이 더욱 쉽고 편리하게 여행을 켜보세요. ■ 내 여행에 맞는 eSIM·USIM 일본, 베트남, 태국, 유럽 등 전 세계 다양한 국가의 데이터 상품을 여행 일정과 사용량에 맞게 선택할 수 있어요. ■ 구매부터 설치까지 간편하게 eSIM 구매 후 복잡한 과정 없이 간편하게 설치하세요. 처음 사용하는 분도 쉽게 이용할 수 있도록 설치 가이드를 제공해요. ■ 데이터가 부족해도 걱정 없이 사용 중인 데이터 잔여량을 확인하고, 필요한 경우 충전과 기간 연장까지 유심사에서 간편하게 이용할 수 있어요. ■ ChatGPT·Google Maps 앱 데이터 무료 해외에서도 데이터 걱정 없이 챗지피티와 구글맵을 이용해 보세요. 유심사에서 대상 상품 구매 시 챗지피티와 구글맵 앱 데이터를 무료로 이용할 수 있어요. ■ 앱에서 누리는 더 많은 혜택 앱 전용 쿠폰으로 더 많은 할인 혜택을 누리고, 여행에 필요한 다양한 제휴 혜택도 만나보세요. ■ 365일 24시간 고객지원 해외에서 도움이 필요할 때 언제든 고객센터를 이용할 수 있어요. ■ 예상치 못한 통신 문제도 유심사케어로 이용 중 통신 장애 발생 시, 유심사케어를 통해 최대 30만원까지 보장해 드려요. 여행을 준비했다면, 이제 유심사로 여행을 켜보세요. 요즘 유심사는 법, 유심사
Screenshots
Verdict
The clearest difference is review sentiment: 유심사 at 98% against EastarJet's 7%. 유심사 also leads on rating (4.9 vs 1.0) and ratings volume (32 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
유심사 holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: 유심사 has 32 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 7% of EastarJet's written reviews are positive against 98% of 유심사's.
EastarJet ships an update fortnightly, 유심사 weekly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | EastarJet | 유심사 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (3 ratings) | 4.9 (32 ratings) — better |
| Positive reviews | 7.4% of reviews | 98.1% of reviews — better |
| Number of ratings | 3 | 32 — better |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.4 | 15 — better |
| Further details — not scored | ||
| Size | 60 MB | 120 MB |
| Age rating | 4+ | 4+ |
| Developer | EastarJet | gadgetkorea |
Customer experience
EastarJet
유심사
Bugs and requests
EastarJet
Not enough reviews yet to summarise bugs or requests.
유심사
Reported bugs
3 issues- Internet not working despite 5G signal
- Network conflicts causing issues
- App icon not easily noticeable
Requested features
5 requests- Add data usage plans
- Improve app icon visibility
- Expand eSIM compatible device list
- Provide direct links for identity verification for countries requiring it
- Integrate device compatibility check before app launch
In-app purchases
EastarJet
No in-app purchases
유심사
No in-app purchases
