# iPreFlight3 vs VOCUS Safety

The clearest difference is review sentiment: VOCUS Safety at 100% against iPreFlight3's 5%. VOCUS Safety also leads on rating (4.5 vs 3.1). iPreFlight3's advantage is ratings volume (55 vs 16). 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.

VOCUS Safety holds the better App Store score, 4.5 against 3.1. Both are backed by a comparable volume of ratings — 55 and 16 respectively. Written reviews point the same way: 5% of iPreFlight3's written reviews are positive against 100% of VOCUS Safety's.

iPreFlight3 ships an update every 6 weeks, VOCUS Safety every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | iPreFlight3 | VOCUS Safety |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (55 ratings)](https://appshunter.io/ios/app/ipreflight3/id779654127/reviews) | **[4.5 (16 ratings)](https://appshunter.io/ios/app/vocus-safety/id1436551654/reviews)** |
| Number of ratings | **55** | 16 |
| Positive reviews | 5.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 29 MB | 34 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Performance Group, LLC](https://appshunter.io/developer/370256841) | [Polaris Aero, LLC](https://appshunter.io/developer/976643883) |

## 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


### VOCUS Safety

[App page](https://appshunter.io/ios/app/vocus-safety/id1436551654)

This platform offers a comprehensive safety software solution for aviation professionals. It provides seamless integration with third-party tools and allows for easy safety reporting, document access, and training content viewing on mobile devices.

**Highlights:** Seamless 3rd-party integrations, Easy safety reporting (online/offline), Photo submission with reports, Download Vector SMS documents, Access training content, Full mobile functionality

**In-app purchases:** none


## Frequently asked questions

### Is iPreFlight3 free?

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

### Is VOCUS Safety free?

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

### Which has better reviews, iPreFlight3 or VOCUS Safety?

VOCUS Safety is rated higher. iPreFlight3 averages 3.1 out of 5 from 55 ratings, while VOCUS Safety averages 4.5 from 16 ratings.

### Do iPreFlight3 or VOCUS Safety have ads?

Neither iPreFlight3 nor VOCUS Safety shows ads.

### Which is updated more often, iPreFlight3 or VOCUS Safety?

iPreFlight3 ships an update every 6 weeks, and VOCUS Safety every 2 months. Most recently, iPreFlight3 was updated on November 1, 2026 and VOCUS Safety on November 2, 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.*