# FlightDiaryApp vs Contrails

The clearest difference is update cadence: Contrails at every 2 days against FlightDiaryApp's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

FlightDiaryApp ships an update every 5 weeks, Contrails every 2 days. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | FlightDiaryApp | Contrails |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Size | 24 MB | 68 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HSIA-TING YEH](https://appshunter.io/developer/1855889149) | [GIZEM KIRAZ KAYA](https://appshunter.io/developer/1889932203) |

## What reviewers say

### FlightDiaryApp

[App page](https://appshunter.io/ios/app/flightdiaryapp/id6778781087)

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

**In-app purchases:** none


### 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 FlightDiaryApp free?

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

### Is Contrails free?

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

### Do FlightDiaryApp or Contrails have ads?

Neither FlightDiaryApp nor Contrails shows ads.

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

FlightDiaryApp ships an update every 5 weeks, and Contrails every 2 days. Most recently, FlightDiaryApp was updated on October 8, 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.*