# JavaScript Anywhere JSAnywhere vs sensitivity.io

The clearest difference is ads: sensitivity.io at none against JavaScript Anywhere JSAnywhere's shown. sensitivity.io also leads on iOS requirement (11.0 vs 15.0). JavaScript Anywhere JSAnywhere's advantage is update cadence (every 2 months vs every 15 months). On price, 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 ships an update every 2 months, sensitivity.io every 15 months. The most recent releases landed on November 13, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | JavaScript Anywhere JSAnywhere | sensitivity.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (465 ratings)](https://appshunter.io/ios/app/javascript-anywhere-jsanywhere/id363452277/reviews)** | — |
| Number of ratings | **465** | — |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Ad-supported | — |
| Size | 35 MB | 18 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tatsuya Tobioka](https://appshunter.io/developer/363452280) | [CoSoSys](https://appshunter.io/developer/379244833) |

## 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


### sensitivity.io

[App page](https://appshunter.io/ios/app/sensitivityio/id1211192287)

**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 sensitivity.io free?

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

### Do JavaScript Anywhere JSAnywhere or sensitivity.io have ads?

JavaScript Anywhere JSAnywhere shows ads; sensitivity.io does not.

### Which is updated more often, JavaScript Anywhere JSAnywhere or sensitivity.io?

JavaScript Anywhere JSAnywhere ships an update every 2 months, and sensitivity.io every 15 months. Most recently, JavaScript Anywhere JSAnywhere was updated on November 13, 2026 and sensitivity.io on November 11, 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.*