# Learn Node.js & Express.js vs Mental Gym

The clearest difference is price: Mental Gym at Free against Learn Node.js & Express.js's $1.99. Mental Gym also leads on update cadence (every 4 days vs every 21 months). Learn Node.js & Express.js's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 16.0). On ads and device support there is nothing between them.

Mental Gym is free to download; Learn Node.js & Express.js costs $1.99 up front. Mental Gym sells 2 in-app purchases, starting at $4.99 per month. Learn Node.js & Express.js asks for nothing beyond the download.

Learn Node.js & Express.js ships an update every 21 months, Mental Gym every 4 days. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Learn Node.js & Express.js | Mental Gym |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/learn-nodejs-and-expressjs/id6737118228/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 62 MB | 33 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Tengri Vertex LLC](https://appshunter.io/developer/1854695149) |

## What reviewers say

### Learn Node.js & Express.js

[App page](https://appshunter.io/ios/app/learn-nodejs-and-expressjs/id6737118228)

Master backend development with this app, offering in-depth tutorials, hands-on projects, and interactive quizzes on Node.js and Express.js. Prepare for interviews and learn on the go with text-to-speech and offline PDF options.

**Highlights:** In-depth tutorials, Hands-on projects, Interactive quizzes, Syntax highlighting, Text-to-speech learning, Offline PDF export, Interview preparation

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

**In-app purchases:** none


### Mental Gym

[App page](https://appshunter.io/ios/app/mental-gym-brain-training/id6755752188)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental Gym Pro | $4.99 | per month |
| Mental Gym Pro | $29.99 | per year |


## Frequently asked questions

### Is Learn Node.js & Express.js free?

Learn Node.js & Express.js costs $1.99, with no in-app purchases.

### Is Mental Gym free?

Mental Gym is free to download, with in-app purchases available.

### Do Learn Node.js & Express.js or Mental Gym have ads?

Neither Learn Node.js & Express.js nor Mental Gym shows ads.

### Which is updated more often, Learn Node.js & Express.js or Mental Gym?

Learn Node.js & Express.js ships an update every 21 months, and Mental Gym every 4 days. Most recently, Learn Node.js & Express.js was updated on October 8, 2026 and Mental Gym on October 16, 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.*