# Developer Interview vs Data Structures Basics

The clearest difference is in-app purchases: Data Structures Basics at none against Developer Interview's 2. Data Structures Basics also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. Developer Interview sells 2 in-app purchases, starting at $7.99 per month. Data Structures Basics asks for nothing beyond the download.

## The numbers

| Metric | Developer Interview | Data Structures Basics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Size | 33 MB | 38 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [NFLSoft Inc.](https://appshunter.io/developer/1847190815) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Developer Interview

[App page](https://appshunter.io/ios/app/developer-interview/id6759626761)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $79.99 | per year |


### Data Structures Basics

[App page](https://appshunter.io/ios/app/data-structures-basics/id6771263396)

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

**In-app purchases:** none


## Frequently asked questions

### Is Developer Interview free?

Developer Interview is free to download, with in-app purchases available.

### Is Data Structures Basics free?

Data Structures Basics is free to download, with no in-app purchases.

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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.*