# CLF Cloud Practitioner Prep vs AZ

The clearest difference is in-app purchases: AZ at none against CLF Cloud Practitioner Prep's 1. CLF Cloud Practitioner Prep's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. CLF Cloud Practitioner Prep sells 1 one-off in-app purchase. AZ asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CLF Cloud Practitioner Prep | AZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Size | 268 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) | [Tom App Works](https://appshunter.io/developer/1874760041) |

## What reviewers say

### CLF Cloud Practitioner Prep

[App page](https://appshunter.io/ios/app/clf-cloud-practitioner-prep/id6775574846)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CLF-C02 평생 이용권 | $4.99 | one-time |


### AZ

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

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

**In-app purchases:** none


## Frequently asked questions

### Is CLF Cloud Practitioner Prep free?

CLF Cloud Practitioner Prep is free to download, with in-app purchases available.

### Is AZ free?

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

### Do CLF Cloud Practitioner Prep or AZ have ads?

AZ shows ads; CLF Cloud Practitioner Prep does not.

### Which is updated more often, CLF Cloud Practitioner Prep or AZ?

CLF Cloud Practitioner Prep ships an update every 4 days, and AZ every 4 days. Most recently, CLF Cloud Practitioner Prep was updated on October 31, 2026 and AZ on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*