# AZ vs SC

The clearest difference is price: AZ at Free against SC's $12.99. SC's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 3 months). On in-app purchases, device support and iOS requirement there is nothing between them.

AZ is free to download; SC costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AZ ships an update every 3 months, SC every 6 weeks. The most recent releases landed on July 6, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | AZ | SC |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 55 MB | 26 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MOHAMMAD H JAFARI](https://appshunter.io/developer/1747282850) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### AZ

[App page](https://appshunter.io/ios/app/az-900-study-guide-for-test/id6670433785)

**Features:** macOS Compatibility

**In-app purchases:** none


### SC

[App page](https://appshunter.io/ios/app/sc-900-study-buddy-security/id6748069788)

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

**In-app purchases:** none


## Frequently asked questions

### Is AZ free?

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

### Is SC free?

SC costs $12.99, with no in-app purchases.

### Do AZ or SC have ads?

AZ shows ads; SC does not.

### Which is updated more often, AZ or SC?

AZ ships an update every 3 months, and SC every 6 weeks. Most recently, AZ was updated on July 6, 2026 and SC on September 17, 2026.

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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.*