# Coding X vs USPS Postal Exam Prep

The clearest difference is update cadence: Coding X at every 3 weeks against USPS Postal Exam Prep's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Coding X sells 4 in-app purchases, starting at $4.99 per 7 days and USPS Postal Exam Prep sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Coding X ships an update every 3 weeks, USPS Postal Exam Prep every 2 months. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Coding X | USPS Postal Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (229 ratings)](https://appshunter.io/ios/app/coding-x-learn-to-code/id6447521430/reviews)** | — |
| Number of ratings | **229** | — |
| Positive reviews | 48.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 35 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Coding and Fitness Inc](https://appshunter.io/developer/1681580001) | [Alpha Beat Limited](https://appshunter.io/developer/1745742707) |

## What reviewers say

### Coding X

[App page](https://appshunter.io/ios/app/coding-x-learn-to-code/id6447521430)

Learn various programming languages like Python, Java, and C++ through interactive courses and practice questions. This app offers a fun, game-like approach to coding, suitable for beginners and those preparing for software engineering roles or exams. It features a fast compiler and expert-curated content.

**Highlights:** Expertly curated programming courses, Coding made easy for beginners, Fastest compiler for 20+ languages, Sample codes and practice questions, Interactive learning experience, Live projects and modules

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Try & Learn Vibe Code for a Week | $4.99 | per 7 days |
| Learn all courses for a Month | $14.99 | per month |
| Learn all courses for a Year | $24.99 | per year |
| Pro for Lifetime (Early Bird) | $29.99 | one-time |


### USPS Postal Exam Prep

[App page](https://appshunter.io/ios/app/usps-postal-exam-prep/id6778529184)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Coding X free?

Coding X is free to download, with in-app purchases available.

### Is USPS Postal Exam Prep free?

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

### Do Coding X or USPS Postal Exam Prep have ads?

Neither Coding X nor USPS Postal Exam Prep shows ads.

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

Coding X ships an update every 3 weeks, and USPS Postal Exam Prep every 2 months. Most recently, Coding X was updated on September 30, 2026 and USPS Postal Exam Prep on September 21, 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.*