Comparison

Textastic Code Editor 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

Textastic Code Editor

A powerful text and code editor for mobile devices, offering syntax highlighting for over 80 languages, code completion, and formatting tools. It allows connection to various servers and cloud storage for seamless file management and editing.

Highlights
  • Syntax highlighting for 80+ languages
  • SFTP, FTP, WebDAV, and Dropbox client
  • Built-in SSH terminal
  • Code completion and formatting
  • External keyboard and trackpad support
  • Split View and Slide Over multitasking
Features
Read full description

Textastic is a comprehensive and versatile text and code editor for iPad and iPhone. It supports syntax highlighting for more than 80 programming and markup languages. Connect to SFTP, FTP, and WebDAV servers or to your Dropbox account. Use the built-in SSH terminal to work directly on your server. Features: - Syntax highlighting for more than 80 languages, including HTML, JavaScript, CSS, C++, Swift, Objective-C, Rust, XML, Markdown, PHP, Perl, Python, Ruby, Lua, YAML, JSON, SQL, shell scripts, and many more (full list available on the website) - Compatible with Sublime Text 3 and TextMate 1 syntax definitions and themes - Code completion for HTML, CSS, JavaScript, C, Objective-C, and PHP - SFTP (SSH), FTP, FTPS (FTP over SSL), WebDAV, and Dropbox clients - SSH terminal connections - Code formatter for HTML, CSS, JavaScript, and JSON - Git repositories from the Git client app Working Copy can be opened as external folders in Textastic - Emmet support - JavaScript console - iCloud Drive file synchronization - WebDAV server for easy file transfer between Textastic and your Mac or PC over Wi-Fi - Symbol list for quick navigation within a file - Full support for external keyboards, trackpads, and mice - Configurable keyboard shortcuts - Additional keys above the virtual keyboard for frequently used programming characters - Cursor navigation wheel for easy text selection - Move the cursor using swipe gestures - Split View and Slide Over multitasking on iPad - Open multiple files in tabs - Multiple windows on iPadOS - Dark Mode support - Support for common text encodings such as UTF-8, UTF-16, and ISO-8859-1 - Support for different tab widths and soft tabs (spaces instead of tabs) - Custom fonts - Find and Replace, including regular expression search - Find in multiple files - File information such as character and word counts - Local and remote web preview for HTML and Markdown files Pricing: Textastic requires a monthly or yearly subscription or a one-time purchase. Each subscription includes a 7-day free trial with full access to all features. Privacy Policy: https://www.textasticapp.com/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Textastic Code Editor4 screens
Advanced JSON Viewer4 screens

Verdict

The call

The clearest difference is price: Textastic Code Editor at Free against Advanced JSON Viewer's $1.99. Textastic Code Editor also leads on rating (4.7 vs 3.3) and review sentiment (69% vs 40%). Advanced JSON Viewer's advantage is in-app purchases (none vs 3) and device support (4 vs 2). On ads 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

Textastic Code Editor is free to download; Advanced JSON Viewer costs $1.99 up front. Textastic Code Editor sells 3 in-app purchases, starting at $2.99 per month. Advanced JSON Viewer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Textastic Code Editor holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Textastic Code Editor has 2.5K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 69% of Textastic Code Editor's written reviews are positive against 40% of Advanced JSON Viewer's.

UpkeepUpdate frequency

Textastic Code Editor ships an update every 3 weeks, Advanced JSON Viewer every 6 weeks. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

Scorecard9 real differences · 2 level
Textastic Code Editor versus Advanced JSON Viewer: the parameters behind the verdict, then further details
ParameterTextastic Code EditorAdvanced JSON Viewer
PriceFree — better$1.99
Rating4.7 (2.5K ratings) — better3.3 (3 ratings)
Positive reviews68.9% of reviews — better40.0% of reviews
Number of ratings2.5K — better3
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionPaid — better
Best chart rank#15 — better#195
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS16.015.0 — better
Further details — not scored
Size26 MB5 MB
Age rating4+4+
DeveloperAlexander BlachAcrogenesis LLC

Customer experience

Textastic Code Editor

All ratings2,537 ratings
Positive93.1%
Neutral1.5%
Negative5.3%
Written reviews601 reviews
Positive68.9%
Neutral8.7%
Negative22.5%

Advanced JSON Viewer

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

Bugs and requests

Textastic Code Editor

Reported bugs

3 issues
  • Issues with SSH/SFTP connectivity and authentication
  • Problems with handling large files or files with certain extensions
  • Inconsistent text selection and editing behavior

Requested features

4 requests
  • Add support for more cloud storage providers (e.g. Google Drive, OneDrive)
  • Implement a more seamless remote file editing and syncing workflow
  • Improve code editing features like code folding, multi-cursor support, and code beautification
  • Add a built-in terminal or ability to run code directly within the app

Advanced JSON Viewer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Textastic Code Editor

Subscriptions2
  • Textastic Pro (Monthly)7 Days trial$2.991 Month
  • Textastic Pro (Yearly)7 Days trial$19.991 Year
One-time1
  • Textastic Pro (One-Time)$69.99
None

Advanced JSON Viewer

No in-app purchases

Questions

Is Textastic Code Editor free?
Textastic Code Editor is free to download, with in-app purchases available.
Is Advanced JSON Viewer free?
Advanced JSON Viewer costs $1.99, with no in-app purchases.
Which has better reviews, Textastic Code Editor or Advanced JSON Viewer?
Textastic Code Editor is rated higher. Textastic Code Editor averages 4.7 out of 5 from 2.5K ratings, while Advanced JSON Viewer averages 3.3 from 3 ratings.
Do Textastic Code Editor or Advanced JSON Viewer have ads?
Neither Textastic Code Editor nor Advanced JSON Viewer shows ads.
Which is updated more often, Textastic Code Editor or Advanced JSON Viewer?
Textastic Code Editor ships an update every 3 weeks, and Advanced JSON Viewer every 6 weeks. Most recently, Textastic Code Editor was updated on October 15, 2026 and Advanced JSON Viewer on October 10, 2026.
Which is more popular, Textastic Code Editor or Advanced JSON Viewer?
Textastic Code Editor currently peaks at #15 in the App Store charts, and Advanced JSON Viewer at #195. Chart position reflects recent download velocity rather than total install base.

Other comparisons