# SQL Programming Guide vs DEA

SQL Programming Guide and DEA are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SQL Programming Guide | DEA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 12 MB | 28 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### SQL Programming Guide

[App page](https://appshunter.io/ios/app/sql-programming-guide/id6739251169)

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

**In-app purchases:** none


### DEA

[App page](https://appshunter.io/ios/app/dea-c01-data-engineer-prep/id6747032687)

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

**In-app purchases:** none


## Frequently asked questions

### Is SQL Programming Guide free?

SQL Programming Guide is free to download, with no in-app purchases.

### Is DEA free?

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

### Do SQL Programming Guide or DEA have ads?

Neither SQL Programming Guide nor DEA shows ads.

### Which is updated more often, SQL Programming Guide or DEA?

SQL Programming Guide ships an update every 2 months, and DEA every 2 months. Most recently, SQL Programming Guide was updated on October 1, 2026 and DEA on October 9, 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.*