Comparison

JavaScript Anywhere JSAnywhere vs Stay for Safari

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

JavaScript Anywhere JSAnywhere

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
Read full description

Programming editor in your pocket. JavaScript Anywhere is one of the oldest development environments on iOS since 2010. It's a simple and portable editing tool for web engineers and designers. [Features] - Write JavaScript, HTML, and CSS source code. - Preview on the internal browser. - Show console logs or errors. - Import project / Download images from the web. - Send e-mail / iTunes file sharing to export. - Configure editor styles, and syntax highlighting. - Simple server for Wi-Fi - Export to / Import from Dropbox. - Project templates (Basic/jQuery/React/Bootstrap/p5) That's all. JSAnywhere is minimal forever. Happy coding! --------------- Featured in: * The magazine "Mac People" in September 2013 issue. * "Apps for Developers" on App Store collection by Apple in June 2015.

About

Stay for Safari

Enhance your Safari browsing experience with custom scripts, cross-device bookmark syncing, faster downloads, and robust ad blocking. Enjoy a cleaner, more efficient, and personalized web with features like dark mode for web pages.

Highlights
  • Userscripts for extended functionality
  • Cross-device bookmark synchronization
  • Faster, categorized downloads
  • Ad blocking with popular filter support
  • Dark mode for web pages
  • Custom ad-blocking rules
Features
Read full description

# The choice of 2 million Safari users. A Must-Have Extension for Safari.  Stay is a powerful extension designed specifically for Safari, focused on enhancing browsing efficiency, flexibility, and cross-device continuity. Stay supports all Apple platforms and offers a one-time payment that covers iPhone, iPad, and Mac devices. With Stay installed, what new features can you expect in your Safari browser? 【Userscripts】 Give Safari more capabilities. By installing or writing user scripts, Safari can support features such as automatic pagination, immersive translation, redirect blocking, aggregated search, and more. 【Cross-Device Bookmark Sync】 Enhance Safari’s bookmark functionality. With Stay’s multi-platform coverage, your bookmarks are no longer limited to the Apple ecosystem and can be synced across devices. 【Downloads】 Enhance file downloads in Safari. Downloads are faster, and files can be saved into categorized folders, making it easier to manage downloaded resources. 【Ad Blocking】 Enhance Safari’s ad filtering capabilities. Supports AdGuard, uBlock Origin, and AdBlock Plus, compatible with EasyList filtering rules, making your browsing experience cleaner and safer. 【Dark Mode for Web Pages】 Enable dark mode for all web pages browsed in Safari. By purchasing Stay Pro, you can enjoy the following additional benefits: - Supports self-hosted script synchronization - Unlimited custom ad-blocking rules - Ability to mark ads directly on web pages - Download management with privacy mode support Privacy policy: https://www.privacypolicyonline.com/live.php?token=ZPXT0Jfv2diYUfbf5ciLDV9oYRgJ6Evc Terms of service: https://fastclip.app/policy/terms-stay.htm Visit our open-source version address at https://github.com/shenruisi/Stay. For any questions, please follow our official Twitter @stayfork to provide feedback. Join our Telegram group at t.me/fastclipchat.

Screenshots

JavaScript Anywhere JSAnywhere4 screens
Stay for Safari4 screens

Verdict

The call

The clearest difference is rating: Stay for Safari at 4.7 against JavaScript Anywhere JSAnywhere's 3.5. Stay for Safari also leads on review sentiment (76% vs 55%) and ratings volume (2.1K vs 459). JavaScript Anywhere JSAnywhere's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stay for Safari sells 1 one-off in-app purchase. JavaScript Anywhere JSAnywhere asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stay for Safari holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 459 and 2.1K respectively. Written reviews point the same way: 55% of JavaScript Anywhere JSAnywhere's written reviews are positive against 76% of Stay for Safari's.

UpkeepUpdate frequency

JavaScript Anywhere JSAnywhere ships an update every 2 months, Stay for Safari every 5 weeks. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
JavaScript Anywhere JSAnywhere versus Stay for Safari: the parameters behind the verdict, then further details
ParameterJavaScript Anywhere JSAnywhereStay for Safari
PriceFreeFree
Rating3.5 (459 ratings)4.7 (2.1K ratings) — better
Positive reviews55.1% of reviews76.2% of reviews — better
Number of ratings4592.1K — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.015.0
Further details — not scored
Size54 MB78 MB
Age rating4+4+
DeveloperTatsuya Tobioka寅 沈

Customer experience

JavaScript Anywhere JSAnywhere

All ratings459 ratings
Positive60.1%
Neutral6.8%
Negative33.1%
Written reviews454 reviews
Positive55.1%
Neutral9.0%
Negative35.9%

Stay for Safari

All ratings2,060 ratings
Positive92.3%
Neutral1.8%
Negative5.9%
Written reviews357 reviews
Positive76.2%
Neutral5.6%
Negative18.2%

User reviews

JavaScript Anywhere JSAnywhere

From 459 App Store ratings

What we love

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

Room to improve

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

Stay for Safari

From 2.1K App Store ratings

What we love

  • 👍 Useful app for adding userscripts
  • 🚀 Efficient performance
  • 💡 Customizable features
  • 🔒 Secure and reliable

Room to improve

  • 🐛 Compatibility issues with some scripts
  • 🌐 Lack of English localization
  • 💰 Paid features could be more affordable

Bugs and requests

JavaScript Anywhere JSAnywhere

Reported bugs

4 issues
  • 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

9 requests
  • 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
Show 4 more
  • Integrate with cloud storage (e.g. iCloud, Google Drive)
  • Add a JavaScript console for debugging
  • Customize keyboard with common coding characters
  • Implement a full-screen mode

Stay for Safari

Reported bugs

3 issues
  • Crashes when saving downloaded videos
  • Interferes with DarkReader extension
  • Broken login and sync features in recent updates

Requested features

4 requests
  • One-click script update functionality
  • Better integration with Greasy Fork
  • Improved dark mode and theme customization
  • Video download and sniffer capabilities

In-app purchases

None

JavaScript Anywhere JSAnywhere

No in-app purchases

1 purchases

Stay for Safari

One-time1
  • Lifetime2 variants$4.99

Questions

Is JavaScript Anywhere JSAnywhere free?
JavaScript Anywhere JSAnywhere is free to download, with no in-app purchases.
Is Stay for Safari free?
Stay for Safari is free to download, with in-app purchases available.
Which has better reviews, JavaScript Anywhere JSAnywhere or Stay for Safari?
Stay for Safari is rated higher. JavaScript Anywhere JSAnywhere averages 3.5 out of 5 from 459 ratings, while Stay for Safari averages 4.7 from 2.1K ratings.
Do JavaScript Anywhere JSAnywhere or Stay for Safari have ads?
Both JavaScript Anywhere JSAnywhere and Stay for Safari show ads.
Which is updated more often, JavaScript Anywhere JSAnywhere or Stay for Safari?
JavaScript Anywhere JSAnywhere ships an update every 2 months, and Stay for Safari every 5 weeks. Most recently, JavaScript Anywhere JSAnywhere was updated on September 23, 2026 and Stay for Safari on September 29, 2026.

Other comparisons