# AZ vs CertPrep

The clearest difference is in-app purchases: AZ at none against CertPrep's 25. AZ also leads on ads (none vs shown). CertPrep's advantage is update cadence (weekly vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CertPrep sells 25 in-app purchases, starting at $3.99 per month. AZ asks for nothing beyond the download.

AZ ships an update every 6 weeks, CertPrep weekly. The most recent releases landed on September 30, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | AZ | CertPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 27 MB | 28 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Ta Tu](https://appshunter.io/developer/1455987048) |

## What reviewers say

### AZ

[App page](https://appshunter.io/ios/app/az-400-azure-devops-engineer/id6748876653)

**Features:** macOS Compatibility

**In-app purchases:** none


### CertPrep

[App page](https://appshunter.io/ios/app/certprep-exam-prep-and-tests/id6753928975)

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

**In-app purchases (25)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CertPrep Premium Monthly | $3.99 | per month |
| CertPrep TOGAF Monthly | $5.99 | per month |
| CertPrep CISSP Monthly | $5.99 | per month |
| CertPrep PMI-ACP Monthly | $5.99 | per month |
| CertPrep TOGAF Monthly | $6.99 | per month |
| CertPrep CISSP Monthly | $6.99 | per month |
| CertPrep PMI-ACP Monthly | $6.99 | per month |
| CertPrep Premium Monthly | $9.99 | per month |
| CertPrep Premium Quaterly | $9.99 | per 3 months |
| CertPrep TOGAF Quarterly | $14.99 | per 3 months |
| CertPrep CISSP Quarterly | $14.99 | per 3 months |
| CertPrep PMI-ACP Quarterly | $14.99 | per 3 months |
| CertPrep TOGAF Quarterly | $17.99 | per 3 months |
| CertPrep CISSP Quarterly | $17.99 | per 3 months |
| CertPrep PMI-ACP Quarterly | $17.99 | per 3 months |
| CertPrep Premium Quaterly | $24.99 | per 3 months |
| CertPrep TOGAF Yearly | $29.99 | per year |
| CertPrep CISSP Yearly | $29.99 | per year |
| CertPrep PMI-ACP Yearly | $29.99 | per year |
| CertPrep Premium Yearly | $29.99 | per year |
| CertPrep PMP Yearly | $39.99 | per year |
| CertPrep TOGAF Yearly | $39.99 | per year |
| CertPrep CISSP Yearly | $39.99 | per year |
| CertPrep PMI-ACP Yearly | $39.99 | per year |
| CertPrep Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is AZ free?

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

### Is CertPrep free?

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

### Do AZ or CertPrep have ads?

CertPrep shows ads; AZ does not.

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

AZ ships an update every 6 weeks, and CertPrep weekly. Most recently, AZ was updated on September 30, 2026 and CertPrep on September 15, 2026.

---

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