# Ace SQL Interviews vs Data Warehousing Concepts

The clearest difference is in-app purchases: Data Warehousing Concepts at none against Ace SQL Interviews's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ace SQL Interviews sells 2 one-off in-app purchases. Data Warehousing Concepts asks for nothing beyond the download.

## The numbers

| Metric | Ace SQL Interviews | Data Warehousing Concepts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 22 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sandyarani Lagishetti](https://appshunter.io/developer/1723755550) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Ace SQL Interviews

[App page](https://appshunter.io/ios/app/ace-sql-interviews/id6477198989)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited SQL Ace | $14.99 | one-time |
| Unlock All Questions & Answers | $19.99 | one-time |


### Data Warehousing Concepts

[App page](https://appshunter.io/ios/app/data-warehousing-concepts/id6773112612)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ace SQL Interviews free?

Ace SQL Interviews is free to download, with in-app purchases available.

### Is Data Warehousing Concepts free?

Data Warehousing Concepts is free to download, with no in-app purchases.

### Do Ace SQL Interviews or Data Warehousing Concepts have ads?

Neither Ace SQL Interviews nor Data Warehousing Concepts shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*