# AB vs AZ

The clearest difference is update cadence: AB at weekly against AZ's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AB sells 4 one-off in-app purchases and AZ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AB ships an update weekly, AZ fortnightly. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | AB | AZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/ab-900-practice-test/id6761790039/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 11 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Thomas Baric](https://appshunter.io/developer/1872894014) | [David Lai](https://appshunter.io/developer/1894961000) |

## What reviewers say

### AB

[App page](https://appshunter.io/ios/app/ab-900-practice-test/id6761790039)

Prepare for the Microsoft 365 Copilot and Agent Administration Fundamentals exam with daily practice questions. Target weak areas, review explanations, and track your progress towards exam readiness with timed sessions.

**Highlights:** Daily practice questions, Targeted domain practice, Review explanations, Track exam readiness, Timed practice sessions, Progress tracking

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AB-900 Pro | $2.99 | one-time |
| AB-900 Pro | $4.99 | one-time |
| Microsoft Business AI Bundle | $6.99 | one-time |
| Azure AI Bundle | $9.99 | one-time |


### AZ

[App page](https://appshunter.io/ios/app/az-104-azure-admin-study-guide/id6764186666)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AZ-104 Premium | $2.99 | one-time |


## Frequently asked questions

### Is AB free?

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

### Is AZ free?

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

### Do AB or AZ have ads?

Neither AB nor AZ shows ads.

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

AB ships an update weekly, and AZ fortnightly. Most recently, AB was updated on October 10, 2026 and AZ on October 20, 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.*