# AZ vs CertPrep

The clearest difference is iOS requirement: AZ at 15.0 against CertPrep's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AZ sells 2 one-off in-app purchases and CertPrep sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AZ ships an update weekly, CertPrep every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AZ | CertPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 44 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EXAMCERT PTY LTD](https://appshunter.io/developer/1830664214) | [Waltsoft Inc](https://appshunter.io/developer/891505869) |

## What reviewers say

### AZ

[App page](https://appshunter.io/ios/app/az-500-security-engineer-2026/id6756986370)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 AI Credits | $1.99 | one-time |
| Unlock Premium | $5.99 | one-time |


### CertPrep

[App page](https://appshunter.io/ios/app/certprep-certification-exams/id6759506639)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SC-100 Cybersecurity Arch Pro | $9.99 | one-time |
| SC-300 Identity & Access Pro | $9.99 | one-time |
| AWS DevOps Professional | $9.99 | one-time |
| AWS Security Specialty | $9.99 | one-time |
| AWS Solutions Architect Assoc | $9.99 | one-time |
| AWS Developer Associate | $9.99 | one-time |
| AWS GenAI Professional | $9.99 | one-time |
| AWS Adv Networking | $9.99 | one-time |
| AWS Cloud Practitioner | $9.99 | one-time |
| AWS Data Engineer | $9.99 | one-time |


## Frequently asked questions

### Is AZ free?

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

### Is CertPrep free?

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

### Do AZ or CertPrep have ads?

Neither AZ nor CertPrep shows ads.

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

AZ ships an update weekly, and CertPrep every 10 days. Most recently, AZ was updated on October 30, 2026 and CertPrep 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.*