# Master JavaScript Programming vs Guitar Literacy

The clearest difference is price: Guitar Literacy at Free against Master JavaScript Programming's $0.99. Guitar Literacy also leads on update cadence (every 11 days vs every 10 months). Master JavaScript Programming's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.1). On ads and device support there is nothing between them.

Guitar Literacy is free to download; Master JavaScript Programming costs $0.99 up front. Guitar Literacy sells 1 one-off in-app purchase. Master JavaScript Programming asks for nothing beyond the download.

Master JavaScript Programming ships an update every 10 months, Guitar Literacy every 11 days. The most recent releases landed on August 23, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Master JavaScript Programming | Guitar Literacy |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/master-javascript-programming/id1561572690/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 11 days** |
| Monetization | Paid | — |
| Size | 68 MB | 32 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [James Brewer](https://appshunter.io/developer/1876608589) |

## What reviewers say

### Master JavaScript Programming

[App page](https://appshunter.io/ios/app/master-javascript-programming/id1561572690)

Master JavaScript programming with this comprehensive guide. Learn core concepts, web development essentials, and popular frameworks like Angular and React. Ideal for aspiring software engineers and web developers.

**Highlights:** JavaScript fundamentals, Web development with HTML/CSS, Angular framework guide, React.js library tutorial, TypeScript introduction, Offline learning capability

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

**In-app purchases:** none


### Guitar Literacy

[App page](https://appshunter.io/ios/app/guitar-literacy/id6759061123)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guitar Literacy Pro | $12.99 | one-time |


## Frequently asked questions

### Is Master JavaScript Programming free?

Master JavaScript Programming costs $0.99, with no in-app purchases.

### Is Guitar Literacy free?

Guitar Literacy is free to download, with in-app purchases available.

### Do Master JavaScript Programming or Guitar Literacy have ads?

Neither Master JavaScript Programming nor Guitar Literacy shows ads.

### Which is updated more often, Master JavaScript Programming or Guitar Literacy?

Master JavaScript Programming ships an update every 10 months, and Guitar Literacy every 11 days. Most recently, Master JavaScript Programming was updated on August 23, 2026 and Guitar Literacy on September 23, 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.*