# JACK BT vs JavaScript Coding

The clearest difference is in-app purchases: JACK BT at none against JavaScript Coding's 2. JACK BT also leads on iOS requirement (13.1 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. JavaScript Coding sells 2 in-app purchases, starting at $2.99 per year. JACK BT asks for nothing beyond the download.

## The numbers

| Metric | JACK BT | JavaScript Coding |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 23 MB | 32 MB |
| Requires iOS | **13.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Esseci Srl](https://appshunter.io/developer/1538950770) | [婉媚 邵](https://appshunter.io/developer/1297240696) |

## What reviewers say

### JACK BT

[App page](https://appshunter.io/ios/app/jack-bt/id6550919814)

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

**In-app purchases:** none


### JavaScript Coding

[App page](https://appshunter.io/ios/app/javascript-coding/id6756758013)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JavaScript Coding Pro | $2.99 | per year |
| JavaScript Coding Pro | $9.99 | one-time |


## Frequently asked questions

### Is JACK BT free?

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

### Is JavaScript Coding free?

JavaScript Coding is free to download, with in-app purchases available.

### Do JACK BT or JavaScript Coding have ads?

Neither JACK BT nor JavaScript Coding shows ads.

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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.*