# USPS Postal Exam Prep vs USPS 474 Exam Prep

The clearest difference is price: USPS 474 Exam Prep at Free against USPS Postal Exam Prep's $8.99. USPS 474 Exam Prep also leads on iOS requirement (15.1 vs 18.5). USPS Postal Exam Prep's advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 4 months). On ads and device support there is nothing between them.

USPS 474 Exam Prep is free to download; USPS Postal Exam Prep costs $8.99 up front. USPS 474 Exam Prep sells 3 in-app purchases, starting at $2.99 per 7 days. USPS Postal Exam Prep asks for nothing beyond the download.

USPS Postal Exam Prep ships an update every 3 weeks, USPS 474 Exam Prep every 4 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | USPS Postal Exam Prep | USPS 474 Exam Prep |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/usps-474-exam-prep/id6759227077/reviews)** |
| Number of ratings | — | **8** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 55 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Enim](https://appshunter.io/developer/1722100693) | [Mfeliz Web](https://appshunter.io/developer/1835473936) |

## What reviewers say

### USPS Postal Exam Prep

[App page](https://appshunter.io/ios/app/usps-postal-exam-prep/id6754321097)

**Features:** macOS Compatibility

**In-app purchases:** none


### USPS 474 Exam Prep

[App page](https://appshunter.io/ios/app/usps-474-exam-prep/id6759227077)

Prepare for the USPS 474 Postal Exam with realistic practice tests and detailed explanations. This study tool offers timed simulations and performance tracking to build confidence and improve your chances of passing.

**Highlights:** USPS 474-style practice questions, Full-length exam simulations, Timed mode for realistic conditions, Detailed answer explanations, Performance tracking, Offline access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $9.99 | per month |
| Pro Six Monthly | $29.99 | per 6 months |


## Frequently asked questions

### Is USPS Postal Exam Prep free?

USPS Postal Exam Prep costs $8.99, with no in-app purchases.

### Is USPS 474 Exam Prep free?

USPS 474 Exam Prep is free to download, with in-app purchases available.

### Do USPS Postal Exam Prep or USPS 474 Exam Prep have ads?

Neither USPS Postal Exam Prep nor USPS 474 Exam Prep shows ads.

### Which is updated more often, USPS Postal Exam Prep or USPS 474 Exam Prep?

USPS Postal Exam Prep ships an update every 3 weeks, and USPS 474 Exam Prep every 4 months. Most recently, USPS Postal Exam Prep was updated on October 30, 2026 and USPS 474 Exam Prep on October 31, 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.*