# Pax Validation vs FS2EFB

The clearest difference is update cadence: FS2EFB at every 10 days against Pax Validation's every 2 months. Pax Validation's advantage is ratings volume (3 vs 1) and iOS requirement (13.6 vs 15.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Pax Validation against 5.0 for FS2EFB. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Pax Validation ships an update every 2 months, FS2EFB every 10 days. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Pax Validation | FS2EFB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/pax-validation/id1530082345/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/fs2efb/id6759614296/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 30 MB | 6 MB |
| Requires iOS | **13.6** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SITA Information Networking Computing USA Inc](https://appshunter.io/developer/1530082347) | [Aleksandr Marinenko](https://appshunter.io/developer/1864741659) |

## What reviewers say

### Pax Validation

[App page](https://appshunter.io/ios/app/pax-validation/id1530082345)

This app streamlines passenger processing at airports, enhancing safety and security. It offers automated, touchless validation at various checkpoints throughout the passenger journey.

**Highlights:** Automated passenger validation, Touchless processing, Enhanced safety and security, Improved passenger experience, End-to-end journey coverage

**Features:** macOS Compatibility

**In-app purchases:** none


### FS2EFB

[App page](https://appshunter.io/ios/app/fs2efb/id6759614296)

This app transforms your mobile device into a real-time Electronic Flight Bag (EFB) for Microsoft Flight Simulator. It extracts detailed flight telemetry and traffic data, delivering it to your preferred aviation applications with zero performance impact on the simulator.

**Highlights:** Real-time flight telemetry extraction, Live traffic injection on EFB map, Universal protocol support (GDL90, NMEA 0183, X-Plane), One-click EFB presets for major apps, Built-in audio variometer for gliders, Zero FPS impact on simulator

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

**In-app purchases:** none


## Frequently asked questions

### Is Pax Validation free?

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

### Is FS2EFB free?

FS2EFB is free to download, with no in-app purchases.

### Which has better reviews, Pax Validation or FS2EFB?

Pax Validation and FS2EFB are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Pax Validation or FS2EFB have ads?

Neither Pax Validation nor FS2EFB shows ads.

### Which is updated more often, Pax Validation or FS2EFB?

Pax Validation ships an update every 2 months, and FS2EFB every 10 days. Most recently, Pax Validation was updated on June 4, 2026 and FS2EFB on September 20, 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.*