# Coderly vs Data Engineer Pro Prep

The clearest difference is in-app purchases: Coderly at none against Data Engineer Pro Prep's 1. Data Engineer Pro Prep's advantage is device support and iOS requirement (13.0 vs 15.1). On price there is nothing between them.

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

## The numbers

| Metric | Coderly | Data Engineer Pro Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 41 MB | 86 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | — | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Spinning Anchor LLC](https://appshunter.io/developer/1884220084) | [AITYTECH](https://appshunter.io/developer/1885549185) |

## What reviewers say

### Coderly

[App page](https://appshunter.io/ios/app/coderly-interview-coder/id6760383643)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Coderly free?

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

### Is Data Engineer Pro Prep free?

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

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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.*