Comparison

JSON Data Generator vs JSON Tools

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
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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

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.

Screenshots

JSON Tools4 screens

Verdict

The call

The clearest difference is update cadence: JSON Tools at every 2 weeks against JSON Data Generator's every 37 months. JSON Tools also leads on chart position (#107 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

JSON Data Generator ships an update every 37 months, JSON Tools every 2 weeks. Both last shipped on October 25, 2026.

Scorecard2 real differences Ā· 7 level
JSON Data Generator versus JSON Tools: the parameters behind the verdict, then further details
ParameterJSON Data GeneratorJSON Tools
Price$0.99$0.99
Positive reviews—0.0% of reviews
Update frequencyEvery 37 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
Best chart rank—#107 — better
DevicesiPad, MaciPhone, iPad, iPod — better
Requires iOS15.615.6
Further details — not scored
Size1 MB31 MB
Age rating4+4+
DeveloperKonstantin AdamovMohammed Aadhil

In-app purchases

None

JSON Data Generator

No in-app purchases

None

JSON Tools

No in-app purchases

Questions

Is JSON Data Generator free?
JSON Data Generator costs $0.99, with no in-app purchases.
Is JSON Tools free?
JSON Tools costs $0.99, with no in-app purchases.
Do JSON Data Generator or JSON Tools have ads?
Neither JSON Data Generator nor JSON Tools shows ads.
Which is updated more often, JSON Data Generator or JSON Tools?
JSON Data Generator ships an update every 37 months, and JSON Tools every 2 weeks. Most recently, JSON Data Generator was updated on October 25, 2026 and JSON Tools on October 25, 2026.

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