# Trinity Airways vs 이스타항공

The clearest difference is monetization model: 이스타항공 at free against Trinity Airways's free with in-app purchases. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Trinity Airways ships an update fortnightly, 이스타항공 every 2 weeks. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Trinity Airways | 이스타항공 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/trinity-airways/id564901451/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 13.2% of reviews | **18.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 90 MB | 70 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trinity Airways Co., Ltd.](https://appshunter.io/developer/1532827761) | [SEUNGHOON LEE](https://appshunter.io/developer/633106247) |

## 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


### 이스타항공

[App page](https://appshunter.io/ios/app/id669960328)

Easily compare real-time flight and rental car prices from over 200 airlines and travel agencies worldwide. Find the cheapest travel dates and book your ideal car rental without any registration.

**Highlights:** Compare flight prices, Compare rental car prices, Find cheapest travel dates, No registration required, Real-time price comparison, Over 200 airlines and agencies

**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 이스타항공 free?

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

### Do Trinity Airways or 이스타항공 have ads?

Neither Trinity Airways nor 이스타항공 shows ads.

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

Trinity Airways ships an update fortnightly, and 이스타항공 every 2 weeks. Most recently, Trinity Airways was updated on October 26, 2026 and 이스타항공 on October 23, 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.*