Comparison

View Source Premier vs JSON Highlight Pro for Safari

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

Head to head
About

View Source Premier

Analyze and view HTML, XML, JavaScript, CSS, JSON, and RSS code with a built-in simulator, error tracking, and request management tools. Easily format code, test JavaScript, and inspect styles and images. Supports multiple devices for enhanced productivity.

Highlights
  • Code viewing and analysis
  • Built-in simulator
  • Error tracking
  • JavaScript terminal testing
  • Style and image inspection
  • Request management
  • Code beautifier
Features
Read full description

A multifunctional tool for analyzing, debugging, and viewing structured data and web code — including HTML, XML, JSON, CSS, JavaScript, RSS, ATOM, and other supported formats. The application is designed for developers and professionals who value precision, control, and efficiency. Key features: • Cross-platform support: iPhone, iPad, and Mac • View code in both structured and plain text formats • Validation and error detection for HTML, XML, and JSON • Built-in web simulator with customizable screen sizes • JavaScript console for interactive code testing • HEX viewer for analyzing binary files • Text search with regular expression support • CSS style inspection for page elements • HTTP request handling with flexible configuration for any scenario • Save, edit, and re-run previous requests • Code formatting with built-in Code Beautifier • HTTP response analysis: headers, cookies, and response data • Advanced copying of code fragments and structured elements • Built-in audio playback for files detected in HTML code or opened within the app • Open and analyze files stored on your device The application provides full control over data analysis and streamlines everyday tasks for developers.

About

JSON Highlight Pro for Safari

Features
Read full description

JSON Highlighter Pro is a powerful Safari extension that instantly formats and beautifully highlights JSON data within your browser. Ideal for developers and data analysts, this tool offers 28 different themes to choose from, making JSON data more readable and visually appealing. With this app, working with complex JSON data becomes easier and more intuitive. Key Features: Format and indent JSON data instantly Choose from 28 different highlight themes Easy to use with an intuitive interface Perfect for developers, aiding in code review and debugging JSON Highlighter Pro is highly recommended for web developers and data engineers, greatly enhancing the visualization of JSON data. Download now and take your JSON management to the next level!

Screenshots

View Source Premier4 screens
JSON Highlight Pro for Safari1 screens

Verdict

The call

The clearest difference is price: JSON Highlight Pro for Safari at $0.99 against View Source Premier's $6.99. View Source Premier's advantage is update cadence (every 3 weeks vs every 4 months) and chart position (#86 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

View Source Premier costs $6.99 and JSON Highlight Pro for Safari $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

View Source Premier ships an update every 3 weeks, JSON Highlight Pro for Safari every 4 months. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 8 level
View Source Premier versus JSON Highlight Pro for Safari: the parameters behind the verdict, then further details
ParameterView Source PremierJSON Highlight Pro for Safari
Price$6.99$0.99 — better
Rating4.1 (27 ratings) — better—
Positive reviews47.1% of reviews—
Number of ratings27 — better—
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#86 — better—
DevicesiPhone, iPad, iPod, MaciPhone, iPad, iPod, Mac
Requires iOS15.015.0
Further details — not scored
Size5 MB2 MB
Age rating4+4+
DeveloperAndrey UspanovMoca LLC

In-app purchases

None

View Source Premier

No in-app purchases

None

JSON Highlight Pro for Safari

No in-app purchases

Questions

Is View Source Premier free?
View Source Premier costs $6.99, with no in-app purchases.
Is JSON Highlight Pro for Safari free?
JSON Highlight Pro for Safari costs $0.99, with no in-app purchases.
Do View Source Premier or JSON Highlight Pro for Safari have ads?
Neither View Source Premier nor JSON Highlight Pro for Safari shows ads.
Which is updated more often, View Source Premier or JSON Highlight Pro for Safari?
View Source Premier ships an update every 3 weeks, and JSON Highlight Pro for Safari every 4 months. Most recently, View Source Premier was updated on September 23, 2026 and JSON Highlight Pro for Safari on September 19, 2026.

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