# iPreFlight3 vs MHIRJ Flight Deck

The clearest difference is device support: MHIRJ Flight Deck at 3 against iPreFlight3's 1. MHIRJ Flight Deck also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, 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.

iPreFlight3 ships an update every 6 weeks, MHIRJ Flight Deck every 3 months. The most recent releases landed on August 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | iPreFlight3 | MHIRJ Flight Deck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (55 ratings)](https://appshunter.io/ios/app/ipreflight3/id779654127/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 30 MB | 115 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Performance Group, LLC](https://appshunter.io/developer/370256841) | [On-Board Data Systems](https://appshunter.io/developer/663920824) |

## 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


### MHIRJ Flight Deck

[App page](https://appshunter.io/ios/app/mhirj-flight-deck/id6449748596)

**In-app purchases:** none


## Frequently asked questions

### Is iPreFlight3 free?

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

### Is MHIRJ Flight Deck free?

MHIRJ Flight Deck is free to download, with no in-app purchases.

### Do iPreFlight3 or MHIRJ Flight Deck have ads?

Neither iPreFlight3 nor MHIRJ Flight Deck shows ads.

### Which is updated more often, iPreFlight3 or MHIRJ Flight Deck?

iPreFlight3 ships an update every 6 weeks, and MHIRJ Flight Deck every 3 months. Most recently, iPreFlight3 was updated on August 19, 2026 and MHIRJ Flight Deck on September 13, 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.*