# Data Engineer Exam Prep 2026 vs SQL Query Semantics

The clearest difference is in-app purchases: SQL Query Semantics at none against Data Engineer Exam Prep 2026's 9. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Data Engineer Exam Prep 2026 sells 9 in-app purchases, starting at $7.99 per 7 days. SQL Query Semantics asks for nothing beyond the download.

## The numbers

| Metric | Data Engineer Exam Prep 2026 | SQL Query Semantics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 51 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Data Engineer Exam Prep 2026

[App page](https://appshunter.io/ios/app/data-engineer-exam-prep-2026/id6754770880)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DataEng Weekly Full Access | $7.99 | per 7 days |
| DataEng Monthly Full Access | $17.99 | per month |
| DataEng Monthly Full Access | $17.99 | per month |
| DataEng Quarterly Full Access | $40.99 | per 3 months |
| DataEng Quarterly Full Access | $40.99 | per 3 months |
| DataEng Semiannual Full Access | $69.99 | per 6 months |
| DataEng Semiannual Full Access | $69.99 | per 6 months |
| DataEng Annual Full Access | $104.99 | per year |
| DataEng Annual Full Access | $104.99 | per year |


### SQL Query Semantics

[App page](https://appshunter.io/ios/app/sql-query-semantics/id6773601725)

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

**In-app purchases:** none


## Frequently asked questions

### Is Data Engineer Exam Prep 2026 free?

Data Engineer Exam Prep 2026 is free to download, with in-app purchases available.

### Is SQL Query Semantics free?

SQL Query Semantics is free to download, with no in-app purchases.

### Do Data Engineer Exam Prep 2026 or SQL Query Semantics have ads?

Neither Data Engineer Exam Prep 2026 nor SQL Query Semantics shows ads.

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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.*