# JavaScript Studio Pro vs aipetrix

The clearest difference is price: aipetrix at Free against JavaScript Studio Pro's $12.99. aipetrix also leads on update cadence (fortnightly vs every 20 months). JavaScript Studio Pro's advantage is iOS requirement (10.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

aipetrix 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, aipetrix fortnightly. The most recent releases landed on June 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | JavaScript Studio Pro | aipetrix |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Paid | — |
| Size | 33 MB | 137 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arrowat LLC](https://appshunter.io/developer/1358562640) | [SanKeXiaoCao(ShenZhen)IOT Technology Company Limited](https://appshunter.io/developer/1550220407) |

## 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


### aipetrix

[App page](https://appshunter.io/ios/app/aipetrix/id6772852904)

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

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Studio Pro free?

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

### Is aipetrix free?

aipetrix is free to download, with no in-app purchases.

### Do JavaScript Studio Pro or aipetrix have ads?

Neither JavaScript Studio Pro nor aipetrix shows ads.

### Which is updated more often, JavaScript Studio Pro or aipetrix?

JavaScript Studio Pro ships an update every 20 months, and aipetrix fortnightly. Most recently, JavaScript Studio Pro was updated on June 21, 2026 and aipetrix on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*