# JavaScript Studio Pro vs Electric Avenue Install

The clearest difference is price: Electric Avenue Install at Free against JavaScript Studio Pro's $12.99. Electric Avenue Install also leads on update cadence (monthly vs every 20 months). JavaScript Studio Pro's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 16.1). On ads and in-app purchases there is nothing between them.

Electric Avenue Install is free to download; JavaScript Studio Pro costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JavaScript Studio Pro ships an update every 20 months, Electric Avenue Install monthly. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | JavaScript Studio Pro | Electric Avenue Install |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/javascript-studio-pro/id1533537039/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Monthly** |
| Monetization | Paid | — |
| Size | 33 MB | 43 MB |
| Requires iOS | **10.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arrowat LLC](https://appshunter.io/developer/1358562640) | [621153 N.B. Ltd](https://appshunter.io/developer/1618472509) |

## What reviewers say

### JavaScript Studio Pro

[App page](https://appshunter.io/ios/app/javascript-studio-pro/id1533537039)

Develop web applications on your mobile device using JavaScript, CSS, and HTML. This tool offers error checking assistance as you code, ensuring you don't lose track of your ideas. Create and save your projects anywhere, anytime.

**Highlights:** Write JavaScript, CSS, HTML code, Create web applications, Error checking assistance, Save code and ideas, Mobile development environment

**Features:** macOS Compatibility

**In-app purchases:** none


### Electric Avenue Install

[App page](https://appshunter.io/ios/app/electric-avenue-install/id6472765527)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Studio Pro free?

JavaScript Studio Pro costs $12.99, with no in-app purchases.

### Is Electric Avenue Install free?

Electric Avenue Install is free to download, with no in-app purchases.

### Do JavaScript Studio Pro or Electric Avenue Install have ads?

Neither JavaScript Studio Pro nor Electric Avenue Install shows ads.

### Which is updated more often, JavaScript Studio Pro or Electric Avenue Install?

JavaScript Studio Pro ships an update every 20 months, and Electric Avenue Install monthly. Most recently, JavaScript Studio Pro was updated on September 29, 2026 and Electric Avenue Install on October 2, 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.*