# IT Exam Quick Reference vs API Concepts

The clearest difference is in-app purchases: API Concepts at none against IT Exam Quick Reference's 1. API Concepts also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. IT Exam Quick Reference sells 1 in-app purchase, starting at $9.99 per month. API Concepts asks for nothing beyond the download.

## The numbers

| Metric | IT Exam Quick Reference | API Concepts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 56 MB | 38 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [BEST SOLUTION LLC](https://appshunter.io/developer/1006385883) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### IT Exam Quick Reference

[App page](https://appshunter.io/ios/app/it-exam-quick-reference/id6443973608)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "ALL ACCESS" | $9.99 | per month |


### API Concepts

[App page](https://appshunter.io/ios/app/api-concepts/id6772290627)

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

**In-app purchases:** none


## Frequently asked questions

### Is IT Exam Quick Reference free?

IT Exam Quick Reference is free to download, with in-app purchases available.

### Is API Concepts free?

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

### Do IT Exam Quick Reference or API Concepts have ads?

IT Exam Quick Reference shows ads; API Concepts does not.

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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.*