# iPreFlight3 vs Flight Document System

The clearest difference is rating: Flight Document System at 5.0 against iPreFlight3's 3.1. Flight Document System also leads on iOS requirement (8.0 vs 16.0). iPreFlight3's advantage is ratings volume (55 vs 1) and update cadence (every 6 weeks vs every 6 months). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: iPreFlight3 has 55 ratings behind it against 1, so its average is the more settled of the two.

iPreFlight3 ships an update every 6 weeks, Flight Document System every 6 months. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | iPreFlight3 | Flight Document System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (55 ratings)](https://appshunter.io/ios/app/ipreflight3/id779654127/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flight-document-system/id875220362/reviews)** |
| Number of ratings | **55** | 1 |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 29 MB | 4 MB |
| Requires iOS | 16.0 | **8.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Performance Group, LLC](https://appshunter.io/developer/370256841) | [EFB-Software, LLC](https://appshunter.io/developer/875220365) |

## What reviewers say

### iPreFlight3

[App page](https://appshunter.io/ios/app/ipreflight3/id779654127)

This app helps pilots quickly calculate available payload and fuel for flights. It integrates runway analysis, weight and balance, and flight planning with weather data. Users can prepare flight books and releases, and share them with crew.

**Highlights:** Max Payload Estimator (MPE™), Runway Analysis (RWA), Weight and Balance (WB), Flight Planning with Fuel Calculation, Flight Book preparation, Flight Release generation and sharing

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iPreFlight3 free?

iPreFlight3 is free to download, with no in-app purchases.

### Is Flight Document System free?

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

### Which has better reviews, iPreFlight3 or Flight Document System?

Flight Document System is rated higher. iPreFlight3 averages 3.1 out of 5 from 55 ratings, while Flight Document System averages 5.0 from 1 ratings.

### Do iPreFlight3 or Flight Document System have ads?

Neither iPreFlight3 nor Flight Document System shows ads.

### Which is updated more often, iPreFlight3 or Flight Document System?

iPreFlight3 ships an update every 6 weeks, and Flight Document System every 6 months. Most recently, iPreFlight3 was updated on October 12, 2026 and Flight Document System 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.*