Comparison

JSON Tools vs HTMLSource

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

Head to head
About

JSON Tools

A comprehensive toolkit for developers to visualize, validate, convert, and generate code from JSON data. It offers features like interactive tree views, schema generation, and code export for multiple programming languages.

Highlights
  • Interactive Tree View and JSONPath querying
  • Convert JSON to XML, CSV, YAML, and more
  • Generate type-safe model classes for multiple languages
  • Auto-generate JSON Schema for validation
  • Dedicated JSON syntax keyboard overlay
  • Background processing for large datasets
Features
Read full description

A complete JSON viewer, formatter, editor, validator and converter for iPhone and iPad. Open JSON files, inspect complex data, format and edit content, validate schemas, compare documents, convert between formats and generate model code from one focused developer tool. VIEW AND EXPLORE JSON • Browse JSON using an interactive Tree View • Inspect arrays using Table View • Query data with JSONPath • Search and navigate complex documents • Work with multiple files using tabs FORMAT AND EDIT • Format and prettify JSON • Minify JSON instantly • Find and replace • Syntax highlighting with line numbers • Open JSON files directly from Files, Mail, Safari and other apps VALIDATE JSON • Validate JSON syntax • Validate documents against JSON Schema • Generate JSON Schema from existing JSON • See validation errors while you work CONVERT JSON Convert JSON to: • YAML • XML • CSV • TSV • TOML • HTML • Markdown • Base64 • TOON GENERATE CODE Generate model classes for: • Swift • Kotlin • TypeScript • C# • Java • Python • Dart COMPARE JSON Compare two JSON documents side by side and quickly identify added, removed and changed values, including differences inside nested objects. BUILT FOR DEVELOPERS JSON Tools is designed for inspecting API responses, working with configuration files, debugging structured data, validating payloads and converting JSON while away from your desktop. Your privacy matters. JSON Tools does not collect your data.

About

HTMLSource

View and edit the HTML source code of any website directly within Safari. This extension offers syntax highlighting, keyword searching, and immediate visual feedback for your edits.

Highlights
  • View HTML source code
  • Edit HTML source code
  • Immediate change preview
  • HTML syntax highlighting
  • Keyword searching in source
  • Dark Mode support
Features
Read full description

HTMLSource is a Safari Extension that helps you view and edit any website's HTML source code. Features: - View HTML source code - Edit HTML source code and see changes immediately Extras: - Dark Mode support - HTML syntax highlight - Keyword searching in HTML source code Steps to use HTMLSource: 1. Download HTMLSource from App Store 2. Open Safari 3. Go to any website 4. Click "Aa" or the Safari Extension icon in the search bar 5. Follow the instruction to enable HTMLSource 6. View or edit HTML source code

Screenshots

JSON Tools4 screens
HTMLSource3 screens

Verdict

The call

The clearest difference is update cadence: HTMLSource at every 4 days against JSON Tools's every 2 weeks. On price, review sentiment, ads and in-app purchases 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

JSON Tools costs $0.99 and HTMLSource $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

JSON Tools ships an update every 2 weeks, HTMLSource every 4 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 10 level
JSON Tools versus HTMLSource: the parameters behind the verdict, then further details
ParameterJSON ToolsHTMLSource
Price$0.99$0.99
Rating—3.0 (2 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#114#94 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size30 MB28 MB
Age rating4+4+
DeveloperMohammed AadhilHao-Quan Liu

Customer experience

JSON Tools

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

HTMLSource

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

JSON Tools

No in-app purchases

None

HTMLSource

No in-app purchases

Questions

Is JSON Tools free?
JSON Tools costs $0.99, with no in-app purchases.
Is HTMLSource free?
HTMLSource costs $0.99, with no in-app purchases.
Do JSON Tools or HTMLSource have ads?
Neither JSON Tools nor HTMLSource shows ads.
Which is updated more often, JSON Tools or HTMLSource?
JSON Tools ships an update every 2 weeks, and HTMLSource every 4 days. Most recently, JSON Tools was updated on October 6, 2026 and HTMLSource on October 2, 2026.
Which is more popular, JSON Tools or HTMLSource?
JSON Tools currently peaks at #114 in the App Store charts, and HTMLSource at #94. Chart position reflects recent download velocity rather than total install base.

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