Source Code Reader vs JSON Tree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Source Code Reader
Easily view website source code directly on your iPhone or iPad. Access this functionality within the app or through a built-in Safari extension. Features include dark mode, adjustable font sizes, and text search.
- View source code in-app
- Safari extension for direct viewing
- Dark mode support
- Adjustable font sizes
- Text search functionality
- Multiple window support
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With the Source Code Reader app it's easy to view the source code of a site directly on your iPhone or iPad. You can do this in the app or directly in Safari with the built-in Safari extension. The app supports dark mode, adjustable font sizes, text search and multiple windows - all available in the Safari extension as well.
JSON Tree
This app provides a lightweight way to view and format JSON data. It offers features like collapsing nodes, exporting type declarations for various languages, and handling large files efficiently with lazy loading. Seamless system integration and customizable themes enhance the user experience.
- JSON tree structure preview
- Export type declarations (Java, TS, Go)
- Collapse and expand nodes
- Lazy loading for large files
- Smart copying of JSON objects
- Drag and drop support
- Customizable themes and font sizes
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A lightweight JSON tree structure previewer with no other dependencies. - Supports exporting type declarations for languages such as Java, TS, and Go - Instantly collapse and expand tree nodes for precise data exploration - Blazing fast performance: 100% native code, zero external libraries - Effortless handling of large files via **Lazy Loading** - Smart copying of full JSON objects, regardless of node collapse state - Seamless system integration: Supports drag & drop, Shared files, and "Open with" from context menus - Enhanced file access: Directly supports "file:///" location paths - Clear data overview: Displays array length/count for quick assessment - Full customization: Includes multiple dark/light theme options and custom font sizing
Screenshots
Verdict
The clearest difference is review sentiment: Source Code Reader at 63% against JSON Tree's 0%. Source Code Reader also leads on chart position (#82 vs unranked). JSON Tree's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, in-app purchases and monetization model 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
Source Code Reader costs $1.99 and JSON Tree $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Source Code Reader ships an update every 5 months, JSON Tree every 3 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.
| Parameter | Source Code Reader | JSON Tree |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 4.9 (7 ratings) — better | — |
| Positive reviews | 63.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | — |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #82 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 24 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Eichhorn | 金攀 虞 |
Customer experience
Source Code Reader
JSON Tree
In-app purchases
Source Code Reader
No in-app purchases
JSON Tree
No in-app purchases
Questions
Is Source Code Reader free?
Is JSON Tree free?
Do Source Code Reader or JSON Tree have ads?
Which is updated more often, Source Code Reader or JSON Tree?
Other comparisons
