# ERG Drill Codes vs 747 Flight Ops

The clearest difference is price: 747 Flight Ops at Free against ERG Drill Codes's $4.99. 747 Flight Ops also leads on update cadence (monthly vs every 8 months). ERG Drill Codes's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On ads and in-app purchases there is nothing between them.

747 Flight Ops 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, 747 Flight Ops monthly. The most recent releases landed on September 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ERG Drill Codes | 747 Flight Ops |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 5 MB | 7 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Daniel](https://appshunter.io/developer/1144981504) | [grant Fichera](https://appshunter.io/developer/596045833) |

## 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


### 747 Flight Ops

[App page](https://appshunter.io/ios/app/747-flight-ops/id1626739498)

**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 747 Flight Ops free?

747 Flight Ops is free to download, with no in-app purchases.

### Do ERG Drill Codes or 747 Flight Ops have ads?

Neither ERG Drill Codes nor 747 Flight Ops shows ads.

### Which is updated more often, ERG Drill Codes or 747 Flight Ops?

ERG Drill Codes ships an update every 8 months, and 747 Flight Ops monthly. Most recently, ERG Drill Codes was updated on September 8, 2026 and 747 Flight Ops on September 29, 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.*