# SwiftyPrep vs Data Warehousing Concepts

SwiftyPrep and Data Warehousing Concepts are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | SwiftyPrep | Data Warehousing Concepts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 1 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ANDREI DARIUS COUTI](https://appshunter.io/developer/1707801884) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### SwiftyPrep

[App page](https://appshunter.io/ios/app/swiftyprep/id6466783060)

Prepare for developer interviews with a vast collection of Swift and SwiftUI questions. Assess your skills independently or receive ratings from interviewers. Track your progress and visualize your learning journey to land your dream job.

**Highlights:** 350+ Swift/SwiftUI interview questions, Self-assessment of skills, Interviewer rating system, Progress tracking, History visualization

**In-app purchases:** none


### 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 SwiftyPrep free?

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

### Is Data Warehousing Concepts free?

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

### Do SwiftyPrep or Data Warehousing Concepts have ads?

Neither SwiftyPrep nor Data Warehousing Concepts 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.*