# PS 315 Lab School vs DMV Permit Test

The clearest difference is in-app purchases: PS 315 Lab School at none against DMV Permit Test's 10. DMV Permit Test's advantage is update cadence (every 8 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DMV Permit Test sells 10 in-app purchases, starting at $3.99 per 7 days. PS 315 Lab School asks for nothing beyond the download.

PS 315 Lab School ships an update every 2 months, DMV Permit Test every 8 days. The most recent releases landed on October 30, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PS 315 Lab School | DMV Permit Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/dmv-permit-test-cdl-study/id1582310050/reviews)** |
| Number of ratings | — | **1.4K** |
| Positive reviews | — | 65.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 165 MB | 58 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Solved Education Consultancy, LLC](https://appshunter.io/developer/1506645558) | [Gowalk Inc.](https://appshunter.io/developer/1649775469) |

## What reviewers say

### PS 315 Lab School

[App page](https://appshunter.io/ios/app/ps-315-lab-school/id1559256976)

**Features:** Vision Pro support

**In-app purchases:** none


### DMV Permit Test

[App page](https://appshunter.io/ios/app/dmv-permit-test-cdl-study/id1582310050)

Prepare for your DMV CDL permit test with the latest questions and engaging study modes. Track your progress, review incorrect answers, and access traffic rules theory. Includes helpful clues and customizable options for efficient learning.

**Highlights:** Latest practice questions, Topic-based ticket breakdown, Favorites section for incorrect answers, Multiple exam modes, Traffic rules theory section, Clues for question explanations, Customizable application settings

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Weekly subscription | $4.99 | per 7 days |
| Premium subscription | $7.99 | per 7 days |
| Weekly Premium | $9.99 | per 7 days |
| Monthly Subscription | $9.99 | per 7 days |
| Premium subscription | $9.99 | per 7 days |
| Premium | $24.99 | per month |
| Yearly Premium | $29.99 | per year |
| Yearly premium | $49.99 | per year |
| Premium subscription | $49.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient
- 💡 Helpful for passing permit/license tests
- 👍 Accurate practice questions

**What reviewers complain about**

- 💰 Paywall for full access
- 🚫 False advertising as a free app
- 🐛 App crashes or doesn't open

**Reported bugs**

- Compatibility issues with older devices
- Tracking and copyright concerns

**Requested features**

- Offer more free content
- Provide translations to other languages


## Frequently asked questions

### Is PS 315 Lab School free?

PS 315 Lab School is free to download, with no in-app purchases.

### Is DMV Permit Test free?

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

### Do PS 315 Lab School or DMV Permit Test have ads?

Neither PS 315 Lab School nor DMV Permit Test shows ads.

### Which is updated more often, PS 315 Lab School or DMV Permit Test?

PS 315 Lab School ships an update every 2 months, and DMV Permit Test every 8 days. Most recently, PS 315 Lab School was updated on October 30, 2026 and DMV Permit Test on November 3, 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.*