# iPreFlight3 vs eWB Embraer

iPreFlight3 and eWB Embraer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, eWB Embraer every 2 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iPreFlight3 | eWB Embraer |
| --- | --- | --- |
| 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 2 months |
| Monetization | Free | — |
| Size | 29 MB | 22 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Performance Group, LLC](https://appshunter.io/developer/370256841) | [EMBRAER S.A.](https://appshunter.io/developer/507436833) |

## 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


### eWB Embraer

[App page](https://appshunter.io/ios/app/ewb-embraer/id6467258053)

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

**In-app purchases:** none


## Frequently asked questions

### Is iPreFlight3 free?

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

### Is eWB Embraer free?

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

### Do iPreFlight3 or eWB Embraer have ads?

Neither iPreFlight3 nor eWB Embraer shows ads.

### Which is updated more often, iPreFlight3 or eWB Embraer?

iPreFlight3 ships an update every 6 weeks, and eWB Embraer every 2 months. Most recently, iPreFlight3 was updated on November 1, 2026 and eWB Embraer on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*