# Trinity Airways vs 에어서울

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.

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.

## The numbers

| Metric | Trinity Airways | 에어서울 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/trinity-airways/id564901451/reviews) | **[1.3 (8 ratings)](https://appshunter.io/ios/app/id1140026677/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | **13.9% of reviews** | 4.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 11 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trinity Airways Co., Ltd.](https://appshunter.io/developer/1532827761) | [Air Seoul Co.,Ltd.](https://appshunter.io/developer/1140026676) |

## What reviewers say

### Trinity Airways

[App page](https://appshunter.io/ios/app/trinity-airways/id564901451)

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.

**Highlights:** 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

**Features:** Apple Wallet

**In-app purchases:** none


### 에어서울

[App page](https://appshunter.io/ios/app/id1140026677)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trinity Airways free?

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

### Is 에어서울 free?

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

### Which has better reviews, Trinity Airways or 에어서울?

에어서울 is rated higher. Trinity Airways averages 1.0 out of 5 from 2 ratings, while 에어서울 averages 1.3 from 8 ratings.

### Do Trinity Airways or 에어서울 have ads?

Neither Trinity Airways nor 에어서울 shows ads.

### Which is updated more often, Trinity Airways or 에어서울?

Trinity Airways ships an update fortnightly, and 에어서울 every 3 months. Most recently, Trinity Airways was updated on November 1, 2026 and 에어서울 on November 1, 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.*