# Learn Hadoop & Big Data vs Learn MERN Stack

The clearest difference is update cadence: Learn MERN Stack at every 4 months against Learn Hadoop & Big Data's every 31 months. Learn Hadoop & Big Data's advantage is price ($1.99 vs $3.99) and iOS requirement (13.0 vs 17). On ads, in-app purchases and device support there is nothing between them.

Learn Hadoop & Big Data costs $1.99 and Learn MERN Stack $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Hadoop & Big Data ships an update every 31 months, Learn MERN Stack every 4 months. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Learn Hadoop & Big Data | Learn MERN Stack |
| --- | --- | --- |
| Price | **$1.99** | $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 31 months | **Every 4 months** |
| Monetization | — | Paid |
| Size | 38 MB | 181 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Shahbaz Khan](https://appshunter.io/developer/1479963383) |

## What reviewers say

### Learn Hadoop & Big Data

[App page](https://appshunter.io/ios/app/learn-hadoop-and-big-data/id1562810973)

**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 Learn Hadoop & Big Data free?

Learn Hadoop & Big Data costs $1.99, with no in-app purchases.

### Is Learn MERN Stack free?

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

### Do Learn Hadoop & Big Data or Learn MERN Stack have ads?

Neither Learn Hadoop & Big Data nor Learn MERN Stack shows ads.

### Which is updated more often, Learn Hadoop & Big Data or Learn MERN Stack?

Learn Hadoop & Big Data ships an update every 31 months, and Learn MERN Stack every 4 months. Most recently, Learn Hadoop & Big Data was updated on September 9, 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.*