# ADR Driver Pro vs PML Engineer Exam Prep

The clearest difference is in-app purchases: PML Engineer Exam Prep at none against ADR Driver Pro's 5. PML Engineer Exam Prep also leads on update cadence (every 3 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ADR Driver Pro sells 5 in-app purchases, starting at $9.99 per month. PML Engineer Exam Prep asks for nothing beyond the download.

ADR Driver Pro ships an update every 8 months, PML Engineer Exam Prep every 3 months. The most recent releases landed on August 22, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ADR Driver Pro | PML Engineer Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/adr-driver-pro-exam-revision/id614400187/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 35 MB | 27 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### ADR Driver Pro

[App page](https://appshunter.io/ios/app/adr-driver-pro-exam-revision/id614400187)

Prepare for 11+ exams with a comprehensive app covering 7 non-verbal reasoning topics. It offers detailed test results, progress tracking, and mock tests with explanations for each question.

**Highlights:** 7 non-verbal reasoning topics, 210 multiple-choice questions, Detailed test results with explanations, Progress meter for topic-wise tracking, Mock tests with random question selection, Option to re-attempt incorrect questions

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Quarterly | $14.99 | per 3 months |
| Half-Yearly | $24.99 | per 6 months |
| Yearly | $39.99 | per year |
| Lifetime Access | $59.99 | one-time |


### PML Engineer Exam Prep

[App page](https://appshunter.io/ios/app/pml-engineer-exam-prep/id6757166329)

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

**In-app purchases:** none


## Frequently asked questions

### Is ADR Driver Pro free?

ADR Driver Pro is free to download, with in-app purchases available.

### Is PML Engineer Exam Prep free?

PML Engineer Exam Prep is free to download, with no in-app purchases.

### Do ADR Driver Pro or PML Engineer Exam Prep have ads?

Neither ADR Driver Pro nor PML Engineer Exam Prep shows ads.

### Which is updated more often, ADR Driver Pro or PML Engineer Exam Prep?

ADR Driver Pro ships an update every 8 months, and PML Engineer Exam Prep every 3 months. Most recently, ADR Driver Pro was updated on August 22, 2026 and PML Engineer Exam Prep on September 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.*