# Physics Quiz for Pilots vs Learn MERN Stack

The clearest difference is update cadence: Learn MERN Stack at every 4 months against Physics Quiz for Pilots's every 9 months. Physics Quiz for Pilots's advantage is price ($2.99 vs $3.99) and iOS requirement (12.0 vs 17). On ads, in-app purchases and device support there is nothing between them.

Physics Quiz for Pilots costs $2.99 and Learn MERN Stack $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Physics Quiz for Pilots ships an update every 9 months, Learn MERN Stack every 4 months. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Physics Quiz for Pilots | Learn MERN Stack |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/learn-mern-stack-react-and-node/id1631792180/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | — | Paid |
| Size | 9 MB | 181 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Thomas Oswald](https://appshunter.io/developer/740516956) | [Shahbaz Khan](https://appshunter.io/developer/1479963383) |

## What reviewers say

### Physics Quiz for Pilots

[App page](https://appshunter.io/ios/app/physics-quiz-for-pilots/id1501836192)

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

**In-app purchases:** none


### Learn MERN Stack

[App page](https://appshunter.io/ios/app/learn-mern-stack-react-and-node/id1631792180)

Master full-stack web development using the MERN stack. Learn MongoDB, Express.js, React, and Node.js through structured lessons, interactive projects, and AI-powered coding assistance. Progress from beginner to building production-ready applications.

**Highlights:** MERN stack curriculum, JavaScript fundamentals, Node.js and Express.js, MongoDB and Mongoose, React components and hooks, AI-powered coding tutor, Interactive projects and quizzes

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

**In-app purchases:** none


## Frequently asked questions

### Is Physics Quiz for Pilots free?

Physics Quiz for Pilots costs $2.99, with no in-app purchases.

### Is Learn MERN Stack free?

Learn MERN Stack costs $3.99, with no in-app purchases.

### Do Physics Quiz for Pilots or Learn MERN Stack have ads?

Neither Physics Quiz for Pilots nor Learn MERN Stack shows ads.

### Which is updated more often, Physics Quiz for Pilots or Learn MERN Stack?

Physics Quiz for Pilots ships an update every 9 months, and Learn MERN Stack every 4 months. Most recently, Physics Quiz for Pilots was updated on September 20, 2026 and Learn MERN Stack on September 17, 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.*