# AZ vs ITCertPrep

The clearest difference is in-app purchases: AZ at none against ITCertPrep's 2. ITCertPrep's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. ITCertPrep sells 2 in-app purchases, starting at $1.99 per month. AZ asks for nothing beyond the download.

AZ ships an update every 4 days, ITCertPrep every 5 days. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | AZ | ITCertPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 7 MB | 55 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tom App Works](https://appshunter.io/developer/1874760041) | [Syncly Applications](https://appshunter.io/developer/1437712077) |

## What reviewers say

### AZ

[App page](https://appshunter.io/ios/app/az-900-ai/id6777317783)

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

**In-app purchases:** none


### ITCertPrep

[App page](https://appshunter.io/ios/app/itcertprepaws-google-cloud/id6782096193)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |
| Premium (Yearly) | $15.99 | per year |


## Frequently asked questions

### Is AZ free?

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

### Is ITCertPrep free?

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

### Do AZ or ITCertPrep have ads?

Both AZ and ITCertPrep show ads.

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

AZ ships an update every 4 days, and ITCertPrep every 5 days. Most recently, AZ was updated on September 17, 2026 and ITCertPrep on September 18, 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.*