# JavaScript Anywhere JSAnywhere vs Is It Down?

The clearest difference is rating: JavaScript Anywhere JSAnywhere at 3.5 against Is It Down?'s 2.7. JavaScript Anywhere JSAnywhere also leads on ratings volume (459 vs 3) and review sentiment (55% vs 33%). Is It Down?'s advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JavaScript Anywhere JSAnywhere holds the better App Store score, 3.5 against 2.7. That said, the two scores are not equally well evidenced: JavaScript Anywhere JSAnywhere has 459 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 55% of JavaScript Anywhere JSAnywhere's written reviews are positive against 33% of Is It Down?'s.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | JavaScript Anywhere JSAnywhere | Is It Down? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (459 ratings)](https://appshunter.io/ios/app/javascript-anywhere-jsanywhere/id363452277/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/is-it-down-uptime-checker-widget/id921001850/reviews) |
| Number of ratings | **459** | 3 |
| Positive reviews | **55.1% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 54 MB | 1 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tatsuya Tobioka](https://appshunter.io/developer/363452280) | [Bruno Philipe Resende Silva](https://appshunter.io/developer/605892017) |

## What reviewers say

### JavaScript Anywhere JSAnywhere

[App page](https://appshunter.io/ios/app/javascript-anywhere-jsanywhere/id363452277)

This app provides a portable programming editor for web development on mobile devices. It allows users to write and preview JavaScript, HTML, and CSS code, with features like console logging and file sharing. It's designed for web engineers and designers needing a simple, on-the-go coding solution.

**Highlights:** Write JavaScript, HTML, CSS, Internal browser preview, Console logs and errors, Import/export via Dropbox, Project templates, Wi-Fi server

**In-app purchases:** none

**What reviewers like**

- 🚀 Constant use
- 🚀 Amazing app
- 🚀 Great for learning
- 🚀 Perfect for coding on the go
- 👍 Simple but effective

**What reviewers complain about**

- 🐛 Crashes
- 🐛 Bugs
- 🐛 Doesn't work
- 🐛 Issues with CSS and JavaScript
- 🐛 Compatibility problems

**Reported bugs**

- Crashes when creating new projects
- CSS and JavaScript changes not reflected in output
- Incompatible with newer iOS versions
- Unexpected behavior with certain JavaScript features

**Requested features**

- Add ability to save files
- Improve syntax highlighting
- Add line numbers
- Support for more file types (e.g. TypeScript, SCSS)
- Ability to create and manage multiple projects


### Is It Down?

[App page](https://appshunter.io/ios/app/is-it-down-uptime-checker-widget/id921001850)

Monitor your favorite websites for downtime directly from your Notification Center. Ideal for webmasters needing constant website checks, this app offers individual port testing and customizable display options for your server list.

**Highlights:** Notification Center widget, Limitless server list, Individual port testing, Customizable port display, Port naming

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

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Anywhere JSAnywhere free?

JavaScript Anywhere JSAnywhere is free to download, with no in-app purchases.

### Is Is It Down? free?

Is It Down? is free to download, with no in-app purchases.

### Which has better reviews, JavaScript Anywhere JSAnywhere or Is It Down??

JavaScript Anywhere JSAnywhere is rated higher. JavaScript Anywhere JSAnywhere averages 3.5 out of 5 from 459 ratings, while Is It Down? averages 2.7 from 3 ratings.

### Do JavaScript Anywhere JSAnywhere or Is It Down? have ads?

JavaScript Anywhere JSAnywhere shows ads; Is It Down? does not.

### Which is updated more often, JavaScript Anywhere JSAnywhere or Is It Down??

JavaScript Anywhere JSAnywhere ships an update every 2 months, and Is It Down? every 2 months. Most recently, JavaScript Anywhere JSAnywhere was updated on September 29, 2026 and Is It Down? on September 20, 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.*