# PPL Exam Preparation vs Data Warehousing Concepts

The clearest difference is in-app purchases: Data Warehousing Concepts at none against PPL Exam Preparation's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PPL Exam Preparation sells 10 in-app purchases, starting at $4.99 per month. Data Warehousing Concepts asks for nothing beyond the download.

## The numbers

| Metric | PPL Exam Preparation | Data Warehousing Concepts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/ppl-exam-preparation/id1516938102/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 22.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 37 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Camphor Digital Limited](https://appshunter.io/developer/899329875) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### PPL Exam Preparation

[App page](https://appshunter.io/ios/app/ppl-exam-preparation/id1516938102)

Prepare for Private Pilot License (PPL) theory exams with practice questions, detailed insights, and score tracking. Simulate real exams with timed modes and access thorough explanations with diagrams.

**Highlights:** Practice PPL theory exams, Detailed answer insights, Score tracking and progress charts, Realistic timed exam simulation, Thorough explanations with diagrams, Filter incorrect and unseen questions

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription | $4.99 | per month |
| Pro Subscription | $19.99 | per 6 months |
| Aircraft General | $3.99 | one-time |
| Principles of Flight | $3.99 | one-time |
| Human Performance Limitations | $3.99 | one-time |
| Flight Performance & Planning | $3.99 | one-time |
| Operational Procedures | $3.99 | one-time |
| Communication & Radiotelephony | $3.99 | one-time |
| Air Law | $3.99 | one-time |
| Access all PPL Exam Topics | $39.99 | 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 PPL Exam Preparation free?

PPL Exam Preparation 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 PPL Exam Preparation or Data Warehousing Concepts have ads?

Neither PPL Exam Preparation 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.*