# Flight Document System vs Challenge Turnaround

The clearest difference is update cadence: Challenge Turnaround at every 5 weeks against Flight Document System's every 6 months. Challenge Turnaround also leads on device support (3 vs 1). Flight Document System's advantage is iOS requirement (8.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

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

Flight Document System ships an update every 6 months, Challenge Turnaround every 5 weeks. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Flight Document System | Challenge Turnaround |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flight-document-system/id875220362/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 29 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EFB-Software, LLC](https://appshunter.io/developer/875220365) | [Challenge Group](https://appshunter.io/developer/1570119385) |

## What reviewers say

### Flight Document System

[App page](https://appshunter.io/ios/app/flight-document-system/id875220362)

This app provides a paperless solution for airlines and flight crews, allowing pilots to replace physical documents with electronic versions on their iPads. It supports various file types and offers features like document search, messaging, and offline access.

**Highlights:** Paperless document replacement, Supports PDF, JPG, GIF, MP4, MOV, Document search and favorites, Admin messaging to crew, Offline document access, Night mode and full-screen view

**In-app purchases:** none


### Challenge Turnaround

[App page](https://appshunter.io/ios/app/challenge-turnaround/id1570119383)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flight Document System free?

Flight Document System is free to download, with no in-app purchases.

### Is Challenge Turnaround free?

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

### Do Flight Document System or Challenge Turnaround have ads?

Neither Flight Document System nor Challenge Turnaround shows ads.

### Which is updated more often, Flight Document System or Challenge Turnaround?

Flight Document System ships an update every 6 months, and Challenge Turnaround every 5 weeks. Most recently, Flight Document System was updated on October 1, 2026 and Challenge Turnaround on October 12, 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.*