# Centrum Air vs Simyoq

The clearest difference is ads: Centrum Air at none against Simyoq's shown. Simyoq's advantage is update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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, Simyoq every 3 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Centrum Air | Simyoq |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 23 MB | 44 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AvtraSoft Limited](https://appshunter.io/developer/1523020058) | [SIMYOQ MCHJ](https://appshunter.io/developer/6774920085) |

## 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


### Simyoq

[App page](https://appshunter.io/ios/app/simyoq/id6774920083)

**Features:** macOS Compatibility, 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 Simyoq free?

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

### Do Centrum Air or Simyoq have ads?

Simyoq shows ads; Centrum Air does not.

### Which is updated more often, Centrum Air or Simyoq?

Centrum Air ships an update every 2 weeks, and Simyoq every 3 days. Most recently, Centrum Air was updated on October 9, 2026 and Simyoq on October 14, 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.*