# ACR/PCR Calculator vs Airro E6B

The clearest difference is price: ACR/PCR Calculator at Free against Airro E6B's $1.99. ACR/PCR Calculator also leads on update cadence (every 5 weeks vs every 40 months). Airro E6B's advantage is in-app purchases (none vs 1) and iOS requirement (16.1 vs 26.6). On ads and device support there is nothing between them.

ACR/PCR Calculator is free to download; Airro E6B costs $1.99 up front. ACR/PCR Calculator sells 1 in-app purchase, starting at $12.99 per year. Airro E6B asks for nothing beyond the download.

ACR/PCR Calculator ships an update every 5 weeks, Airro E6B every 40 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ACR/PCR Calculator | Airro E6B |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/acrpcr-calculator/id6443819267/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 40 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 1 MB |
| Requires iOS | 26.6 | **16.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) | [Christian van der Meij](https://appshunter.io/developer/571706052) |

## What reviewers say

### ACR/PCR Calculator

[App page](https://appshunter.io/ios/app/acrpcr-calculator/id6443819267)

This tool calculates aircraft pavement compatibility using both the new ACR-PCR and legacy ACN-PCN systems. It helps determine maximum aircraft weights for specific pavements and generates detailed reports.

**Highlights:** ACR-PCR and ACN-PCN system support, Determine maximum aircraft weights, Switch between calculation systems, Database of commercial aircraft, Generate PDF reports, Save frequently used aircraft

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly subscription | $12.99 | per year |


### Airro E6B

[App page](https://appshunter.io/ios/app/airro-e6b/id6444861966)

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

**In-app purchases:** none


## Frequently asked questions

### Is ACR/PCR Calculator free?

ACR/PCR Calculator is free to download, with in-app purchases available.

### Is Airro E6B free?

Airro E6B costs $1.99, with no in-app purchases.

### Do ACR/PCR Calculator or Airro E6B have ads?

Neither ACR/PCR Calculator nor Airro E6B shows ads.

### Which is updated more often, ACR/PCR Calculator or Airro E6B?

ACR/PCR Calculator ships an update every 5 weeks, and Airro E6B every 40 months. Most recently, ACR/PCR Calculator was updated on November 3, 2026 and Airro E6B on October 30, 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.*