# Postal 473 Practice Test vs CDL Prep

The clearest difference is review sentiment: CDL Prep at 80% against Postal 473 Practice Test's 0%. CDL Prep also leads on rating (4.6 vs 1.8) and ratings volume (3.2K vs 5). Postal 473 Practice Test's advantage is ads (none vs shown) and iOS requirement (9.0 vs 13.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Postal 473 Practice Test sells 1 one-off in-app purchase and CDL Prep sells 5 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

CDL Prep holds the better App Store score, 4.6 against 1.8. That said, the two scores are not equally well evidenced: CDL Prep has 3.2K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Postal 473 Practice Test's written reviews are positive against 80% of CDL Prep's.

## The numbers

| Metric | Postal 473 Practice Test | CDL Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (5 ratings)](https://appshunter.io/ios/app/postal-473-practice-test/id1466939930/reviews) | **[4.6 (3.2K ratings)](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6446039122/reviews)** |
| Number of ratings | 5 | **3.2K** |
| Positive reviews | 0.0% of reviews | **79.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#198** |
| Size | 10 MB | 99 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MOON MOUNTAIN INC](https://appshunter.io/developer/1555760990) | [Best Fun Games](https://appshunter.io/developer/896888007) |

## What reviewers say

### Postal 473 Practice Test

[App page](https://appshunter.io/ios/app/postal-473-practice-test/id1466939930)

Prepare for your US Postal Test with over 600 practice questions. This app uses a proprietary "chunking" learning technique to aid memorization and make studying easier. It offers a limited number of free questions daily, with an option to upgrade for full access.

**Highlights:** Over 600 practice questions, Proprietary Effective Learning Strategy (ELS™), Chunking technique for memorization, Daily free questions, Question of the day always free, Pass or It's Free Guarantee

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postal 473 Practice Premium | $9.99 | one-time |


### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6446039122)

**Currently charting:** #198 Top Grossing · Education (US App Store)

Prepare for your Commercial Driver's License (CDL) exam with over 1,600 practice questions covering all essential sections. Features a personalized study plan, readiness score, and detailed explanations to help you pass on your first attempt.

**Highlights:** 1,600+ expert-written practice questions, Comprehensive CDL exam section coverage, Personalized study plan, Readiness score, Detailed explanations for questions, Flashcards, Progress tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $24.99 | per month |
| Premium annual subscription | $59.99 | per year |
| Lifetime premium access | $59.99 | one-time |
| Lifetime premium access | $74.99 | one-time |
| Lifetime premium access | $89.99 | one-time |

**What reviewers like**

- 🚀 Helpful for passing CDL tests
- 👍 Easy to use and navigate
- 💡 Variety of test options
- 🚀 Effective for preparing for endorsements
- 👍 Explanations for answers

**What reviewers complain about**

- 🐛 Some questions not matching actual test
- 🔒 Difficult to cancel subscription
- 💰 Expensive subscription
- 🐛 Repetitive questions

**Reported bugs**

- Unexpected charges after free trial
- Frequent prompts to leave reviews

**Requested features**

- More study materials and modules
- Better alignment with state-specific requirements
- Ability to flag/review missed questions


## Frequently asked questions

### Is Postal 473 Practice Test free?

Postal 473 Practice Test is free to download, with in-app purchases available.

### Is CDL Prep free?

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

### Which has better reviews, Postal 473 Practice Test or CDL Prep?

CDL Prep is rated higher. Postal 473 Practice Test averages 1.8 out of 5 from 5 ratings, while CDL Prep averages 4.6 from 3.2K ratings.

### Do Postal 473 Practice Test or CDL Prep have ads?

CDL Prep shows ads; Postal 473 Practice Test does not.

---

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