# AZ vs AWS CLF

The clearest difference is in-app purchases: AZ at none against AWS CLF's 1. AZ also leads on update cadence (every 4 days vs fortnightly). AWS CLF's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

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

AZ ships an update every 4 days, AWS CLF fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | AZ | AWS CLF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 7 MB | 37 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tom App Works](https://appshunter.io/developer/1874760041) | [WebAgentStudio](https://appshunter.io/developer/6793124549) |

## 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


### AWS CLF

[App page](https://appshunter.io/ios/app/aws-clf-c02/id6803056798)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全問題アンロック | $2.99 | one-time |


## Frequently asked questions

### Is AZ free?

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

### Is AWS CLF free?

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

### Do AZ or AWS CLF have ads?

AZ shows ads; AWS CLF does not.

### Which is updated more often, AZ or AWS CLF?

AZ ships an update every 4 days, and AWS CLF fortnightly. Most recently, AZ was updated on October 31, 2026 and AWS CLF on October 31, 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.*