Comparison

JSON Data Generator vs Runestone Text Editor

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

Head to head
About

JSON Data Generator

Features
Read full description

JSON Data Generator is a handy tool for creating realistic JSON objects for testing your applications. You can choose from a variety of field types, such as: - Integer: Generate random integers within a specified range - Double: Generate random decimal numbers within a specified range - Month name: Generate random month names in long or short format - Weekday name: Generate random weekday names in long or short format - Bool: Generate random boolean values (true or false) - GUID: Generate random globally unique identifiers (GUIDs) - Date range: Generate random dates within a specified range, in short or Posix format - First and Last names: Generate random names from a list of common first and last names - Email: Generate random email addresses from a list of common domains - Color: Generate random color names from a list of common colors - Lorem Ipsum text: Generate random text from the classic Lorem Ipsum filler text You can customize the number of objects, the number of fields per object, and the field names. You can also save your settings and load them later. The generated JSON objects can be copied to the clipboard or exported to a file. JSON Data Generator is a simple and useful tool for developers who need to generate mock data for testing their applications.

About

Runestone Text Editor

A powerful plain text and code editor for iPhone and iPad. Offers syntax highlighting, line numbers, find and replace, and extensive customization options for developers and writers.

Highlights
  • Syntax highlighting for many languages
  • Customizable themes and fonts
  • Advanced find and replace
  • Line numbers and cursor location
  • Code formatting with Prettier.js
  • Multiple windows on iPad
Features
Read full description

A plain text editor with syntax highlighting, line numbers, search and replace, page guide, and much more. It's like TextEdit but more powerful and optimised for iPhone and iPad. Runestone is made by a single person with a love for text editors and a vision of building the most lightweight text editor for iPhone and iPad that still has the core features for editing code. Features: - Syntax highlighting of many languages including HTML, JavaScript, JSON, Markdown, Swift, Python, PHP, YAML, and many more. - Select one of the twelve standard themes including popular themes like Tomorrow, Dracula, Solarized, and One Dark Pro. - Innovative find and replace for searching and modifying text while still viewing your file. - Choose font and font size, including support for custom fonts imported using another third-party app. - Show the line and column the cursor is located on. - Uses the standard document browser for an experience similar to the Files app. - Quickly navigate to a specific line. - Automatically close opening brackets and quotes. - Multiple windows on the iPad. - Format code using Prettier.js. Supported languages include CSS,HTML, JavaScript, JSON, PHP and more. - Choose text encoding between popular encodings like UTF-8, UTF-16, ISO Latin 1, and many more. - Enable or disable autocorrection, autocapitalization, and smart punctuation. - Set default file extension of new files. - Open files in Runestone from the Share Sheet. - Print documents. Premium features: - Choose between eight app icons. - Show line numbers. - Highlight the selected line. - Increase line height and letter spacing. - Disable line wrapping to allow horizontal scrolling. - Show tabs, spaces, and line breaks using a selected symbol. - Enable page guide at a specific column to easily tell when lines are getting too long. - Add vertical and horizontal overscroll. - Remember the selected language per file. - Save file extensions and filenames that should always be treated as plain text files. - Enable soft tabs and choose the width of the tab character. - Specify whether pressing the tab key should insert a tab or indent the line. - Adjust the scaling of Markdown headings and disable highlighting of code blocks in Markdown. Runestone was built on the open-source framework with the same name. Find more information on the Runestone framework at github.com/simonbs/runestone

Screenshots

Runestone Text Editor4 screens

Verdict

The call

The clearest difference is price: Runestone Text Editor at Free against JSON Data Generator's $0.99. Runestone Text Editor also leads on update cadence (every 2 weeks vs every 37 months) and chart position (#38 vs unranked). JSON Data Generator's advantage is in-app purchases (none vs 1). 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

Runestone Text Editor is free to download; JSON Data Generator costs $0.99 up front. Runestone Text Editor sells 1 one-off in-app purchase. JSON Data Generator asks for nothing beyond the download.

UpkeepUpdate frequency

JSON Data Generator ships an update every 37 months, Runestone Text Editor every 2 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 6 level
JSON Data Generator versus Runestone Text Editor: the parameters behind the verdict, then further details
ParameterJSON Data GeneratorRunestone Text Editor
Price$0.99Free — better
Rating—4.7 (2K ratings) — better
Positive reviews—76.2% of reviews
Number of ratings—2K — better
Update frequencyEvery 37 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#38 — better
DevicesiPad, MaciPhone, iPad, iPod, Vision Pro — better
Requires iOS15.615.0 — better
Further details — not scored
Size1 MB64 MB
Age rating4+4+
DeveloperKonstantin AdamovSimon B. Støvring

Bugs and requests

JSON Data Generator

Not enough reviews yet to summarise bugs or requests.

Runestone Text Editor

Reported bugs

6 issues
  • Disappearing files
  • Difficulty pasting text
  • Scroll position not saved
  • Hangs on startup
  • Trouble opening large files
Show 1 more
  • Issues after iOS updates

Requested features

6 requests
  • Markdown preview
  • Code folding
  • Syntax highlighting for more languages
  • Ability to run/execute code
  • Multiple file/window support
Show 1 more
  • Improved undo/redo functionality

In-app purchases

None

JSON Data Generator

No in-app purchases

1 purchases

Runestone Text Editor

One-time1
  • Premium$9.99

Questions

Is JSON Data Generator free?
JSON Data Generator costs $0.99, with no in-app purchases.
Is Runestone Text Editor free?
Runestone Text Editor is free to download, with in-app purchases available.
Do JSON Data Generator or Runestone Text Editor have ads?
Neither JSON Data Generator nor Runestone Text Editor shows ads.
Which is updated more often, JSON Data Generator or Runestone Text Editor?
JSON Data Generator ships an update every 37 months, and Runestone Text Editor every 2 weeks. Most recently, JSON Data Generator was updated on October 5, 2026 and Runestone Text Editor on October 12, 2026.

Other comparisons