# Centrum Air vs Trip Express

Centrum Air and Trip Express are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Centrum Air ships an update every 2 weeks, Trip Express every 10 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Centrum Air | Trip Express |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 23 MB | 36 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [AvtraSoft Limited](https://appshunter.io/developer/1523020058) | [TRIP EXPRESS VIETNAM COMPANY LIMITED](https://appshunter.io/developer/6774900975) |

## What reviewers say

### Centrum Air

[App page](https://appshunter.io/ios/app/centrum-air/id6767118476)

Easily book flights, organize your travel plans, and access your itinerary. This app simplifies your journey from booking to arrival.

**Highlights:** Book flights, Manage trips, Add extras, View itinerary, Travel organization

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

**In-app purchases:** none


### Trip Express

[App page](https://appshunter.io/ios/app/trip-express/id6779140729)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Centrum Air free?

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

### Is Trip Express free?

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

### Do Centrum Air or Trip Express have ads?

Neither Centrum Air nor Trip Express shows ads.

### Which is updated more often, Centrum Air or Trip Express?

Centrum Air ships an update every 2 weeks, and Trip Express every 10 days. Most recently, Centrum Air was updated on October 28, 2026 and Trip Express on October 25, 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.*