# OCD Test App vs AZ DMV Prep

The clearest difference is update cadence: OCD Test App at every 4 weeks against AZ DMV Prep's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OCD Test App sells 3 in-app purchases, starting at $4.99 per 7 days and AZ DMV Prep sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OCD Test App ships an update every 4 weeks, AZ DMV Prep every 3 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | OCD Test App | AZ DMV Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Size | 8 MB | 44 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Test Apps Limited](https://appshunter.io/developer/1448821868) | [Guodong Wang](https://appshunter.io/developer/1878384651) |

## What reviewers say

### OCD Test App

[App page](https://appshunter.io/ios/app/ocd-test-app/id6758306207)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| OCD Annual | $29.99 | per year |
| OCD Test Single | $3.99 | one-time |


### AZ DMV Prep

[App page](https://appshunter.io/ios/app/az-dmv-prep/id6759847072)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AZ Pro Weekly | $4.99 | per 7 days |
| AZ Pro Monthly | $9.99 | per month |
| AZ Pro 3 Months | $19.99 | per 3 months |
| Standard Plan | $4.99 | one-time |
| Professional Plan | $14.99 | one-time |
| Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is OCD Test App free?

OCD Test App is free to download, with in-app purchases available.

### Is AZ DMV Prep free?

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

### Do OCD Test App or AZ DMV Prep have ads?

Both OCD Test App and AZ DMV Prep show ads.

### Which is updated more often, OCD Test App or AZ DMV Prep?

OCD Test App ships an update every 4 weeks, and AZ DMV Prep every 3 months. Most recently, OCD Test App was updated on October 28, 2026 and AZ DMV Prep on October 28, 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.*