# SD DMV Prep vs Permit Prep

The clearest difference is ads: Permit Prep at none against SD DMV Prep's shown. Permit Prep also leads on update cadence (every 2 weeks vs every 2 months). SD DMV Prep's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SD DMV Prep sells 6 in-app purchases, starting at $4.99 per 7 days and Permit Prep sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SD DMV Prep ships an update every 2 months, Permit Prep every 2 weeks. The most recent releases landed on August 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | SD DMV Prep | Permit Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 40 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guodong Wang](https://appshunter.io/developer/1878384651) | [David Peterson](https://appshunter.io/developer/1808322033) |

## What reviewers say

### SD DMV Prep

[App page](https://appshunter.io/ios/app/sd-dmv-prep/id6759849122)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Plan Weekly | $4.99 | per 7 days |
| Professional Plan Monthly | $9.99 | per month |
| Professional Plan 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 |


### Permit Prep

[App page](https://appshunter.io/ios/app/permit-prep-dmv-test-prep/id6784477278)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permit Prep Pro | $2.99 | per month |
| Unlimited (Lifetime) | $24.99 | one-time |


## Frequently asked questions

### Is SD DMV Prep free?

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

### Is Permit Prep free?

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

### Do SD DMV Prep or Permit Prep have ads?

SD DMV Prep shows ads; Permit Prep does not.

### Which is updated more often, SD DMV Prep or Permit Prep?

SD DMV Prep ships an update every 2 months, and Permit Prep every 2 weeks. Most recently, SD DMV Prep was updated on August 15, 2026 and Permit Prep on September 11, 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.*