Trinity Airways vs 에어서울
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trinity Airways
Book flights, manage reservations, and access ancillary services for a smoother travel experience. This app offers convenient payment options, fare searching, and multi-language support for domestic and international journeys.
- Faster flight booking and reservation management
- Simple payment with multiple options
- Ancillary services like seat selection and meal pre-order
- Lowest fare search with Low Fare Calendar
- Multi-currency and multi-language support
- In-flight meal pre-order
- Advance seat selection
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Install the Trinity Airways mobile app for faster flight booking and reservation management. Trinity Airways is a proud national airline of the Republic of Korea. ■ Fast and Convenient Flight Booking and Reservation Management - Flight booking and payment - View and manage flight reservations - Online check-in for domestic and international flights ■ Find and Compare the Lowest Fares at a Glance - Check the lowest fares by date for your desired route using the Low Fare Calendar and plan your trip at a more affordable price. ■ Easy and Convenient Payment Options - Supports various payment methods, including Naver Pay, Kakao Pay, WeChat Pay, Toss Pay, PayPal, UnionPay, and Alipay. ■ Wide Range of Ancillary Services Available for Pre-purchase - Enjoy various ancillary services at up to 40% off when purchased online in advance. - Advance Seat Selection : Choose your preferred seat in advance and enjoy a more comfortable journey. - In-flight Meal Pre-order : Pre-order a variety of in-flight meals and enjoy them conveniently during your flight. - Checked Baggage : Pre-purchase the amount of baggage you need and travel with greater convenience. - Ancillary Service Bundles : Enjoy extra baggage, advance seat selection, and in-flight meal pre-order services at a more affordable price than purchasing each service separately. ■ 14 Payment Currencies and 7 Languages Supported - 14 payment currencies : KRW, USD, CAD, JPY, CNY, TWD, THB, VND, EUR, MOP, HKD, MYR, AUD, IDR - 7 languages : Korean, English, Japanese, Simplified Chinese, Traditional Chinese, Thai, Vietnamese [Optional Access Permissions] - Camera Access : Passport recognition, inquiry photo attachment - Notifications : Receive push notifications for service and marketing information - Biometric Authentication Information (Touch ID, Face ID) : Log in to use the service ※ Optional access permissions are required when using the corresponding features. Even if you do not grant these permissions, you can still use other services except for the features requiring the corresponding permissions. ※ Optional access permissions can be changed or revoked at any time through your device settings.
에어서울
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서울 하늘을 열다, Air Seoul 한국을 대표하는 글로벌 도시 ‘서울’을 브랜드로 하는 에어서울과 기분 좋은 여행을 떠나세요! 에어서울 앱 소개 1. 항공권 예약에 최적화! ■ 메인에서 바로 에어서울의 항공권을 구매하실 수 있습니다. 2. 자주 사용하는 메뉴를 쉽고 빠르게! ■ 스케줄 조회, 예약 조회 등 고객이 가장 자주 사용하는 메뉴를 쉽게 찾을 수 있습니다. 3. 스마트폰 하나면 항공권 예약부터 온라인 체크인까지 한번에! ■ 출발 48시간 ~ 1시간 전까지 원하는 좌석을 고르고, 보딩패스까지 발급받으실 수 있습니다. ※ 2016년 10월 5일부터 서비스 이용이 가능합니다. 4. 심플하고 가독성 높은 디자인! ■ 청량한 민트 칼라와 Text 기반의 가독성을 높인 화면 구성으로 눈의 피로감을 덜하도록 디자인하였습니다.
Screenshots
Verdict
The clearest difference is update cadence: Trinity Airways at fortnightly against 에어서울's every 3 months. Trinity Airways also leads on review sentiment (14% vs 4%). 에어서울's advantage is rating (1.3 vs 1.0) and ratings volume (8 vs 2). On price, ads, in-app purchases and device support 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.
에어서울 holds the better App Store score, 1.3 against 1.0. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews complicate that: 14% of Trinity Airways's written reviews are positive against 4% of 에어서울's, so the app with the better star average is not the one people write more warmly about.
Trinity Airways ships an update fortnightly, 에어서울 every 3 months. Both last shipped on November 1, 2026.
| Parameter | Trinity Airways | 에어서울 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) | 1.3 (8 ratings) — better |
| Positive reviews | 13.9% of reviews — better | 4.5% of reviews |
| Number of ratings | 2 | 8 — better |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 90 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Trinity Airways Co., Ltd. | Air Seoul Co.,Ltd. |
Customer experience
Trinity Airways
에어서울
In-app purchases
Trinity Airways
No in-app purchases
에어서울
No in-app purchases





