# Bad Elf Wombat vs ACN/PCN Calculator

The clearest difference is in-app purchases: Bad Elf Wombat at none against ACN/PCN Calculator's 10. Bad Elf Wombat also leads on rating (5.0 vs 4.6) and update cadence (every 4 weeks vs every 2 months). ACN/PCN Calculator's advantage is ratings volume (144 vs 8). On price, ads and device support there is nothing between them.

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

Bad Elf Wombat holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: ACN/PCN Calculator has 144 ratings behind it against 8, so its average is the more settled of the two.

Bad Elf Wombat ships an update every 4 weeks, ACN/PCN Calculator every 2 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Bad Elf Wombat | ACN/PCN Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/bad-elf-wombat/id1032454944/reviews)** | [4.6 (144 ratings)](https://appshunter.io/ios/app/acnpcn-calculator/id1049063069/reviews) |
| Number of ratings | 8 | **144** |
| Positive reviews | — | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 4 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bad Elf, LLC.](https://appshunter.io/developer/391764721) | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) |

## What reviewers say

### Bad Elf Wombat

[App page](https://appshunter.io/ios/app/bad-elf-wombat/id1032454944)

This free utility app works with the Bad Elf Wombat hardware accessory. It enables pilots to download aviation databases and transfer them to a USB drive or SD card. It also facilitates the collection and uploading of flight and engine logs to various aviation analysis sites.

**Highlights:** Download aviation databases, Transfer data to USB/SD via Wombat accessory, Collect flight and engine logs, Upload logs to analysis sites, Check hardware health, Perform firmware updates, Format media

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Bad Elf Wombat free?

Bad Elf Wombat is free to download, with no in-app purchases.

### Is ACN/PCN Calculator free?

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

### Which has better reviews, Bad Elf Wombat or ACN/PCN Calculator?

Bad Elf Wombat is rated higher. Bad Elf Wombat averages 5.0 out of 5 from 8 ratings, while ACN/PCN Calculator averages 4.6 from 144 ratings.

### Do Bad Elf Wombat or ACN/PCN Calculator have ads?

Neither Bad Elf Wombat nor ACN/PCN Calculator shows ads.

### Which is updated more often, Bad Elf Wombat or ACN/PCN Calculator?

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