# AZ vs GH

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

Both are free to download. GH 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 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AZ | GH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gh-900-github-foundations/id6781444869/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 9 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tom App Works](https://appshunter.io/developer/1874760041) | [Nichful](https://appshunter.io/developer/1871193294) |

## 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


### GH

[App page](https://appshunter.io/ios/app/gh-900-github-foundations/id6781444869)

Prepare for the GH-900: GitHub Foundations exam with 500 practice questions and a full mock exam. Study current objectives, track progress by domain, and utilize multiple question formats. Available offline in five languages.

**Highlights:** 500 original practice questions, Covers all seven exam domains, Four question formats, Full mock exam, Progress tracking by domain, Offline functionality, Available in five languages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Questions | $12.99 | one-time |


## Frequently asked questions

### Is AZ free?

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

### Is GH free?

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

### Do AZ or GH have ads?

AZ shows ads; GH does not.

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

AZ ships an update every 4 days, and GH every 4 days. Most recently, AZ was updated on October 4, 2026 and GH on October 6, 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.*