# Trazia vs Contrails

The clearest difference is in-app purchases: Contrails at none against Trazia's 3. Contrails also leads on ads (none vs shown) and update cadence (every 2 days vs every 10 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Trazia sells 3 in-app purchases, starting at $3.99 per month. Contrails asks for nothing beyond the download.

Trazia ships an update every 10 days, Contrails every 2 days. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Trazia | Contrails |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 51 MB | 68 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tim Hobrlant](https://appshunter.io/developer/1896554953) | [GIZEM KIRAZ KAYA](https://appshunter.io/developer/1889932203) |

## What reviewers say

### Trazia

[App page](https://appshunter.io/ios/app/trazia/id6768260091)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trazia Pro Monatlich | $3.99 | per month |
| Trazia Pro Jährlich | $24.99 | per year |
| Trazia Pro Lifetime | $34.99 | one-time |


### Contrails

[App page](https://appshunter.io/ios/app/contrails-flight-log/id6805965911)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trazia free?

Trazia is free to download, with in-app purchases available.

### Is Contrails free?

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

### Do Trazia or Contrails have ads?

Trazia shows ads; Contrails does not.

### Which is updated more often, Trazia or Contrails?

Trazia ships an update every 10 days, and Contrails every 2 days. Most recently, Trazia was updated on October 5, 2026 and Contrails on October 19, 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.*