Comparison

Source Code Master vs JSON Viewer and Editor

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

Head to head
About

Source Code Master

View the source code of any webpage with syntax highlighting and customizable themes. Access code instantly from any URL or via a Safari app extension. Save favorites, share via email, or copy to your clipboard.

Highlights
  • View source code with one tap
  • Full syntax highlighting
  • Built-in browser
  • 60+ customizable themes
  • Bookmark favorite pages
  • Email source code
  • Copy source code to clipboard
Features
Read full description

Simply the best tool for view source code of any web pages with syntax highlighted and customizable highlight themes. Enter an URL and see the source code immediately. With built-in app extension, one tap to view the source code from Safari. FEATURES: • View source code with a single tap • Full syntax highlight • Built-in browser to view the web • More than 60 multiple themes to fit your viewing experience • Fastly save and access your favorite web page with bookmarks • Easily send source code via email • Copy source code to pasteboard • Simple and easy to use interface

About

JSON Viewer and Editor

Features
Read full description

The most powerful JSON tool for iPhone and iPad — view, edit, format, validate, compare, and convert JSON files with a beautiful, intuitive interface. TREE VIEW & CODE VIEW View JSON in an interactive tree with expand/collapse, search, and breadcrumb navigation. Switch to formatted code view with syntax highlighting and line numbers. Sort keys alphabetically with one tap. FULL JSON EDITOR Edit JSON with a smart editor featuring line numbers, live validation, and a keyboard shortcuts bar. Add, edit, delete, duplicate, and clone nodes directly in the tree view. The built-in JSON Fixer automatically repairs broken JSON — missing quotes, trailing commas, unquoted keys, and more. EXPORT & CONVERT Export JSON as PDF documents or Excel spreadsheets. Copy as YAML, CSV, Key=Value pairs, or XML. Save to Files or share via any app. Print directly from the app. API CLIENT Send HTTP requests (GET, POST, PUT, DELETE, PATCH) with custom headers and body. View responses with status codes, timing, and size. Open any API response directly in the JSON viewer. Save request history for quick access. JSON COMPARE Load two JSON files side by side and see every difference color-coded — additions in green, deletions in red, changes in yellow. Paste, open from files, or fetch from URLs. VALIDATE & QUERY Validate JSON against any schema (JSON Schema Draft 7). Use JSONPath expressions to extract specific data with live results. Get detailed error messages with exact line and column numbers. SMART FEATURES • Auto-detect JSON in clipboard — tap to view instantly • 10+ templates for quick start (API Response, Config, Auth Token, etc.) • Favorites for frequently used files • Session resume — pick up where you left off • HAR file support — view HTTP Archive files • Opens .json files directly from Files app BEAUTIFUL DESIGN • Dark and Light theme • 15 languages: English, Hindi, Spanish, Portuguese, Bengali, Urdu, French, Arabic, Indonesian, German, Chinese, Japanese, Korean, Turkish, Russian • Clean Material 3 design with JetBrainsMono code font Works completely offline. No account required. No data collection.

Screenshots

Source Code Master4 screens
JSON Viewer and Editor4 screens

Verdict

The call

The clearest difference is price: JSON Viewer and Editor at Free against Source Code Master's $0.99. JSON Viewer and Editor also leads on update cadence (weekly vs every 16 months). Source Code Master's advantage is iOS requirement (8.0 vs 13.0). On 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

JSON Viewer and Editor is free to download; Source Code Master costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Source Code Master ships an update every 16 months, JSON Viewer and Editor weekly. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Source Code Master versus JSON Viewer and Editor: the parameters behind the verdict, then further details
ParameterSource Code MasterJSON Viewer and Editor
Price$0.99Free — better
Rating3.3 (6 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 16 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size4 MB39 MB
Age rating17+4+
DeveloperRatha SouSahana A S

In-app purchases

None

Source Code Master

No in-app purchases

None

JSON Viewer and Editor

No in-app purchases

Questions

Is Source Code Master free?
Source Code Master costs $0.99, with no in-app purchases.
Is JSON Viewer and Editor free?
JSON Viewer and Editor is free to download, with no in-app purchases.
Do Source Code Master or JSON Viewer and Editor have ads?
Neither Source Code Master nor JSON Viewer and Editor shows ads.
Which is updated more often, Source Code Master or JSON Viewer and Editor?
Source Code Master ships an update every 16 months, and JSON Viewer and Editor weekly. Most recently, Source Code Master was updated on September 10, 2026 and JSON Viewer and Editor on September 20, 2026.

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