# ERG Drill Codes vs NAT HLA Helper

The clearest difference is price: NAT HLA Helper at Free against ERG Drill Codes's $4.99. NAT HLA Helper also leads on update cadence (every 3 months vs every 8 months) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

NAT HLA Helper is free to download; ERG Drill Codes costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ERG Drill Codes ships an update every 8 months, NAT HLA Helper every 3 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ERG Drill Codes | NAT HLA Helper |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nat-hla-helper/id1454223090/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 5 MB | 9 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Daniel](https://appshunter.io/developer/1144981504) | [Andrew Gromozdin](https://appshunter.io/developer/1374615432) |

## What reviewers say

### ERG Drill Codes

[App page](https://appshunter.io/ios/app/erg-drill-codes/id1144981505)

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

**In-app purchases:** none


### NAT HLA Helper

[App page](https://appshunter.io/ios/app/nat-hla-helper/id1454223090)

This app assists pilots with cross-atlantic flights by performing plotting calculations, providing up-to-date flight information, and offering an ICAO-recommended Oceanic checklist with timers. It also delivers weather briefings and push notifications for the NAT HLA region.

**Highlights:** Plotting calculations for courses and distances, Up-to-date flight stage information, ICAO-recommended Oceanic checklist with timers, Push notifications for NAT HLA region updates, Comprehensive weather briefing, Tailored checklists and QuickInfo

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ERG Drill Codes free?

ERG Drill Codes costs $4.99, with no in-app purchases.

### Is NAT HLA Helper free?

NAT HLA Helper is free to download, with no in-app purchases.

### Do ERG Drill Codes or NAT HLA Helper have ads?

Neither ERG Drill Codes nor NAT HLA Helper shows ads.

### Which is updated more often, ERG Drill Codes or NAT HLA Helper?

ERG Drill Codes ships an update every 8 months, and NAT HLA Helper every 3 months. Most recently, ERG Drill Codes was updated on October 24, 2026 and NAT HLA Helper on October 8, 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.*