# Data Engineer Pro Prep vs Codebasics

The clearest difference is in-app purchases: Codebasics at none against Data Engineer Pro Prep's 1. Codebasics also leads on update cadence (weekly vs every 3 weeks). Data Engineer Pro Prep's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Data Engineer Pro Prep sells 1 one-off in-app purchase. Codebasics asks for nothing beyond the download.

Data Engineer Pro Prep ships an update every 3 weeks, Codebasics weekly. The most recent releases landed on September 20, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Data Engineer Pro Prep | Codebasics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 86 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AITYTECH](https://appshunter.io/developer/1885549185) | [Codebasics](https://appshunter.io/developer/6789604015) |

## What reviewers say

### Data Engineer Pro Prep

[App page](https://appshunter.io/ios/app/data-engineer-pro-prep/id6762125643)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Lifetime | $3.99 | one-time |


### Codebasics

[App page](https://appshunter.io/ios/app/codebasics/id6789604013)

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

**In-app purchases:** none


## Frequently asked questions

### Is Data Engineer Pro Prep free?

Data Engineer Pro Prep is free to download, with in-app purchases available.

### Is Codebasics free?

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

### Do Data Engineer Pro Prep or Codebasics have ads?

Neither Data Engineer Pro Prep nor Codebasics shows ads.

### Which is updated more often, Data Engineer Pro Prep or Codebasics?

Data Engineer Pro Prep ships an update every 3 weeks, and Codebasics weekly. Most recently, Data Engineer Pro Prep was updated on September 20, 2026 and Codebasics on September 28, 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.*