# Learn MERN Stack vs ISTQB CTFL v4 Exam Prep

The clearest difference is price: ISTQB CTFL v4 Exam Prep at Free against Learn MERN Stack's $3.99. ISTQB CTFL v4 Exam Prep also leads on update cadence (every 11 days vs every 4 months) and iOS requirement (15.1 vs 17). Learn MERN Stack's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

ISTQB CTFL v4 Exam Prep is free to download; Learn MERN Stack costs $3.99 up front. ISTQB CTFL v4 Exam Prep sells 1 one-off in-app purchase. Learn MERN Stack asks for nothing beyond the download.

Learn MERN Stack ships an update every 4 months, ISTQB CTFL v4 Exam Prep every 11 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Learn MERN Stack | ISTQB CTFL v4 Exam Prep |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | Paid | — |
| Size | 181 MB | 158 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Shahbaz Khan](https://appshunter.io/developer/1479963383) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### 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


### ISTQB CTFL v4 Exam Prep

[App page](https://appshunter.io/ios/app/istqb-ctfl-v4-exam-prep/id6785109862)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is Learn MERN Stack free?

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

### Is ISTQB CTFL v4 Exam Prep free?

ISTQB CTFL v4 Exam Prep is free to download, with in-app purchases available.

### Do Learn MERN Stack or ISTQB CTFL v4 Exam Prep have ads?

Neither Learn MERN Stack nor ISTQB CTFL v4 Exam Prep shows ads.

### Which is updated more often, Learn MERN Stack or ISTQB CTFL v4 Exam Prep?

Learn MERN Stack ships an update every 4 months, and ISTQB CTFL v4 Exam Prep every 11 days. Most recently, Learn MERN Stack was updated on October 5, 2026 and ISTQB CTFL v4 Exam Prep on October 12, 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.*