# Air Logbook vs Trazia

The clearest difference is in-app purchases: Air Logbook at none against Trazia's 3. Air Logbook also leads on ads (none vs shown) and update cadence (every 2 days vs every 10 days). Trazia's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price there is nothing between them.

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

Air Logbook ships an update every 2 days, Trazia every 10 days. The most recent releases landed on October 31, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Air Logbook | Trazia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 24 MB | 51 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [卓珩 李](https://appshunter.io/developer/1885081432) | [Tim Hobrlant](https://appshunter.io/developer/1896554953) |

## What reviewers say

### Air Logbook

[App page](https://appshunter.io/ios/app/air-logbook/id6766074402)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Air Logbook free?

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

### Is Trazia free?

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

### Do Air Logbook or Trazia have ads?

Trazia shows ads; Air Logbook does not.

### Which is updated more often, Air Logbook or Trazia?

Air Logbook ships an update every 2 days, and Trazia every 10 days. Most recently, Air Logbook was updated on October 31, 2026 and Trazia on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*