# Data Engineer Pro Prep vs GCP Data Engineer Exam Prep

The clearest difference is update cadence: GCP Data Engineer Exam Prep at every 10 days against Data Engineer Pro Prep's every 3 weeks. Data Engineer Pro Prep's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Data Engineer Pro Prep sells 1 one-off in-app purchase and GCP Data Engineer Exam Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Data Engineer Pro Prep ships an update every 3 weeks, GCP Data Engineer Exam Prep every 10 days. Both last shipped on September 20, 2026.

## The numbers

| Metric | Data Engineer Pro Prep | GCP Data Engineer Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 86 MB | 99 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) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## 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 |


### GCP Data Engineer Exam Prep

[App page](https://appshunter.io/ios/app/gcp-data-engineer-exam-prep/id6785744308)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.90 | one-time |


## Frequently asked questions

### Is Data Engineer Pro Prep free?

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

### Is GCP Data Engineer Exam Prep free?

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

### Do Data Engineer Pro Prep or GCP Data Engineer Exam Prep have ads?

Neither Data Engineer Pro Prep nor GCP Data Engineer Exam Prep shows ads.

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

Data Engineer Pro Prep ships an update every 3 weeks, and GCP Data Engineer Exam Prep every 10 days. Most recently, Data Engineer Pro Prep was updated on September 20, 2026 and GCP Data Engineer Exam Prep on September 20, 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.*