# DataVidhya vs Data Engineer Exam Prep

The clearest difference is update cadence: Data Engineer Exam Prep at every 10 days against DataVidhya's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

DataVidhya ships an update every 3 months, Data Engineer Exam Prep every 10 days. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DataVidhya | Data Engineer Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 52 MB | 106 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### DataVidhya

[App page](https://appshunter.io/ios/app/datavidhya/id6748682980)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Python for Data Engineering | $19.99 | one-time |


### Data Engineer Exam Prep

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

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is DataVidhya free?

DataVidhya is free to download, with in-app purchases available.

### Is Data Engineer Exam Prep free?

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

### Do DataVidhya or Data Engineer Exam Prep have ads?

Neither DataVidhya nor Data Engineer Exam Prep shows ads.

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

DataVidhya ships an update every 3 months, and Data Engineer Exam Prep every 10 days. Most recently, DataVidhya was updated on October 10, 2026 and Data Engineer Exam Prep on October 25, 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.*