# ACN/PCN Calculator vs Roadern

The clearest difference is in-app purchases: Roadern at none against ACN/PCN Calculator's 10. Roadern also leads on iOS requirement (15.5 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ACN/PCN Calculator sells 10 one-off in-app purchases. Roadern asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ACN/PCN Calculator | Roadern |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (144 ratings)](https://appshunter.io/ios/app/acnpcn-calculator/id1049063069/reviews)** | — |
| Number of ratings | **144** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 66 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) | [Ruhollah Saeedi Nejad](https://appshunter.io/developer/1737607714) |

## What reviewers say

### ACN/PCN Calculator

[App page](https://appshunter.io/ios/app/acnpcn-calculator/id1049063069)

This app calculates aircraft pavement classification numbers (PCN) and aircraft classification numbers (ACN) to assess airport pavement strength. It helps pilots and aviation professionals ensure safe operations by verifying aircraft weight limitations on runways, taxiways, and aprons.

**Highlights:** ACN/PCN calculation, Pavement strength evaluation, Aircraft weight verification, ICAO ACN/PCN method, Comprehensive aircraft database, User-friendly interface

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| G600 (41.7t) | Free | one-time |
| G650 (45.3t) | $4.99 | one-time |
| Global 5000 GVFD (42.0t) | $4.99 | one-time |
| Global 6000 (45.2t) | $4.99 | one-time |
| G650ER (47.1t) | $4.99 | one-time |
| G550 (41.4t) | $4.99 | one-time |
| G450 (33.7t) | $4.99 | one-time |
| G280 (18.0t) | $4.99 | one-time |
| Global 7500 (52.2t) | $4.99 | one-time |
| FALCON 7X (31.8t) | $4.99 | one-time |


### Roadern

[App page](https://appshunter.io/ios/app/roadern/id6479946620)

**In-app purchases:** none


## Frequently asked questions

### Is ACN/PCN Calculator free?

ACN/PCN Calculator is free to download, with in-app purchases available.

### Is Roadern free?

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

### Do ACN/PCN Calculator or Roadern have ads?

Neither ACN/PCN Calculator nor Roadern shows ads.

### Which is updated more often, ACN/PCN Calculator or Roadern?

ACN/PCN Calculator ships an update every 2 months, and Roadern every 2 months. Most recently, ACN/PCN Calculator was updated on November 6, 2026 and Roadern on November 4, 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.*