Comparison

Userscripts vs Advanced JSON Viewer

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

Head to head
About

Userscripts

This open-source Safari extension allows you to run custom JavaScript and CSS code on any website. Enhance your browsing experience with personalized styling, automatic redirects, and ad-blocking.

Highlights
  • Run custom JavaScript
  • Inject custom CSS
  • Automatic page redirection
  • Website page manipulation
  • Custom ad-blocking
  • Open source
  • No user tracking
Features
Read full description

Userscripts is an open source Safari extension that lets you save and run arbitrary bits of JavaScript (and CSS) code for the websites you visit. Features: - Open source - No user tracking Use cases: - Automatic page redirection - Website page manipulation (styling, element creation) - Custom ad-blocking - Custom code injection - Custom style injection If you're looking for a way to easily create quality of life Javacript code snippets for your web browsing experience, give Userscripts a try. Visit the GitHub repository for help or to report bugs: https://github.com/quoid/userscripts/

About

Advanced JSON Viewer

This tool enhances JSON data viewing and editing within Safari and on your device. It offers beautiful formatting, syntax highlighting, and an interactive editor for efficient JSON management.

Highlights
  • Open and save JSON files
  • Beautiful JSON formatting
  • Syntax highlighting
  • Interactive editor
  • Light & dark modes
  • Error detection
Features
Read full description

Advanced JSON Viewer transforms raw JSON data into an elegant, interactive viewing experience right in Safari and now supports opening and saving JSON files directly from your device. Key Features: • Open JSON Files: Open and view JSON files from your device with powerful formatting • Save JSON Files: Edit and save your JSON data directly to your device • Beautiful JSON Formatting: Instantly transforms unformatted JSON into a clean, readable format • Syntax Highlighting: Makes JSON structure easily readable with color-coded elements • Light & Dark Modes: Automatically switches between themes based on your system preferences • Customizable Themes: Choose from a wide selection of professional color schemes • Interactive Editor: Edit JSON directly in the browser with the powerful Ace editor • Settings Toolbar: Quick access to all viewing preferences in one convenient panel • Adjustable Settings: Customize font size, tab width, and other viewing preferences • Invisible Characters: Option to display invisible characters for precise editing • Fast & Efficient: Works instantly on any JSON page or file without slowing down your experience • Error Detection: Highlights JSON syntax errors as you type • Toggle Views: Switch between raw and formatted views with a single click Perfect for developers, QA engineers, API testers, and anyone who works with JSON data. Advanced JSON Viewer makes reading, editing, and saving JSON in Safari and local files a delightful experience. Built with attention to detail and performance, this app seamlessly enhances your JSON workflow whether you're browsing API responses online or examining and editing local configuration files. Available as a universal purchase - buy once and use it on Mac, iPhone, iPad, and Vision Pro.

Screenshots

Userscripts4 screens
Advanced JSON Viewer4 screens

Verdict

The call

The clearest difference is price: Userscripts at Free against Advanced JSON Viewer's $1.99. Userscripts also leads on rating (4.3 vs 3.3) and review sentiment (78% vs 40%). On update cadence, ads, in-app purchases 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

Userscripts is free to download; Advanced JSON Viewer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Userscripts holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: Userscripts has 181 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 78% of Userscripts's written reviews are positive against 40% of Advanced JSON Viewer's.

UpkeepUpdate frequency

Userscripts ships an update monthly, Advanced JSON Viewer every 6 weeks. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

Scorecard6 real differences · 5 level
Userscripts versus Advanced JSON Viewer: the parameters behind the verdict, then further details
ParameterUserscriptsAdvanced JSON Viewer
PriceFree — better$1.99
Rating4.3 (181 ratings) — better3.3 (3 ratings)
Positive reviews78.2% of reviews — better40.0% of reviews
Number of ratings181 — better3
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank#21 — better#191
DevicesiPhone, iPad, iPod, MaciPhone, iPad, iPod, Mac
Requires iOS15.015.0
Further details — not scored
Size2 MB5 MB
Age rating4+4+
DeveloperJustin WasackAcrogenesis LLC

Customer experience

Userscripts

All ratings181 ratings
Positive82.3%
Neutral2.2%
Negative15.5%
Written reviews252 reviews
Positive78.2%
Neutral5.6%
Negative16.3%

Advanced JSON Viewer

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

Bugs and requests

Userscripts

Reported bugs

4 issues
  • Failed to load user data
  • Saying there's an error when trying to download something
  • Won't work, keeps saying there's an issue and retry
  • Disappeared from Safari preferences and won't return after troubleshooting

Requested features

5 requests
  • Add support for Safari Tech Preview
  • Allow editing of userscripts from the browser extension popup
  • Allow creation of a new script from the Safari Extension for the current site
  • Allow specifying the order in which scripts should be loaded
  • Add support for running scripts in normal mode, private mode or both

Advanced JSON Viewer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Userscripts

No in-app purchases

None

Advanced JSON Viewer

No in-app purchases

Questions

Is Userscripts free?
Userscripts is free to download, with no in-app purchases.
Is Advanced JSON Viewer free?
Advanced JSON Viewer costs $1.99, with no in-app purchases.
Which has better reviews, Userscripts or Advanced JSON Viewer?
Userscripts is rated higher. Userscripts averages 4.3 out of 5 from 181 ratings, while Advanced JSON Viewer averages 3.3 from 3 ratings.
Do Userscripts or Advanced JSON Viewer have ads?
Neither Userscripts nor Advanced JSON Viewer shows ads.
Which is updated more often, Userscripts or Advanced JSON Viewer?
Userscripts ships an update monthly, and Advanced JSON Viewer every 6 weeks. Most recently, Userscripts was updated on October 18, 2026 and Advanced JSON Viewer on October 10, 2026.
Which is more popular, Userscripts or Advanced JSON Viewer?
Userscripts currently peaks at #21 in the App Store charts, and Advanced JSON Viewer at #191. Chart position reflects recent download velocity rather than total install base.

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