# Flight Document System vs PeregrineEFB

The clearest difference is update cadence: PeregrineEFB at every 6 weeks against Flight Document System's every 6 months. Flight Document System's advantage is iOS requirement (8.0 vs 12.3). 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.

Flight Document System ships an update every 6 months, PeregrineEFB every 6 weeks. Both last shipped on October 1, 2026.

## The numbers

| Metric | Flight Document System | PeregrineEFB |
| --- | --- | --- |
| 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 6 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 79 MB |
| Requires iOS | **8.0** | 12.3 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [EFB-Software, LLC](https://appshunter.io/developer/875220365) | [Acacus Technologies](https://appshunter.io/developer/1093404887) |

## 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


### PeregrineEFB

[App page](https://appshunter.io/ios/app/peregrineefb/id1266205042)

**Features:** macOS Compatibility

**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 PeregrineEFB free?

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

### Do Flight Document System or PeregrineEFB have ads?

Neither Flight Document System nor PeregrineEFB shows ads.

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

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