Comparison

JSON Utilities vs Dev Tool box

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

Head to head
About

JSON Utilities

This minimalist editor transforms complex JSON into readable code with a distraction-free interface. It offers real-time validation, one-click formatting, and effortless string manipulation, working completely offline across multiple Apple platforms.

Highlights
  • Minimalist interface
  • Offline functionality
  • Real-time JSON validation
  • One-click formatting
  • String escaping/unescaping
  • Drag and drop support
  • Light/dark mode adaptation
Features
Read full description

Transform complex JSON into beautiful, readable code with this minimalist editor. Designed with simplicity at its core, every feature enhances your workflow without cluttering your space. Key Features: · Minimalist, distraction-free interface · Works completely offline · Completely free to use · Clean toolbar that automatically hides when not in use · Real-time JSON validation with subtle visual feedback · One-click formatting to make your JSON readable · Quick minification for compact storage · Escape and unescape JSON strings effortlessly · Drag and drop file support on macOS · Adapts seamlessly to light and dark modes · Monospaced font for optimal code readability · Customizable font size · Native design for each platform (macOS, iOS, iPadOS, visionOS) Perfect for: · Developers debugging API responses · Data scientists working with JSON datasets · DevOps engineers handling configuration files · Anyone who needs to read or edit JSON data Built with a focus on simplicity and elegance, JSON Utilities strips away complexity while maintaining powerful functionality. The interface automatically adapts to your system's appearance, providing a comfortable viewing experience whether you prefer light or dark mode. Whether you're validating JSON on your iPhone, formatting API responses on your Mac, or reviewing data in an immersive visionOS space, JSON Utilities provides a consistent, distraction-free experience across all your devices. Download now and experience JSON editing in its purest form.

About

Dev Tool box

Features
Read full description

DevToolbox is an essential collection of developer utilities designed to streamline your coding workflow. Whether you're debugging APIs, encoding data, or formatting JSON, DevToolbox provides the tools you need in a clean, native interface. KEY FEATURES: • JSON Formatter & Validator Format, validate, and beautify JSON with syntax highlighting. Tree view visualization for better structure understanding. Built-in search functionality to find text within large JSON files. • URL Encoder/Decoder Quickly encode or decode URLs for API testing and web development. RFC 3986 compliant encoding for maximum compatibility. • Base64 Encoder/Decoder Convert text to Base64 and vice versa. Supports URL-safe Base64 and auto-padding. Perfect for encoding credentials, tokens, and data URIs. • JWT Decoder Decode and inspect JSON Web Tokens without external services. View header, payload, and signature details instantly. Automatically handles "Bearer " prefix. • Text Case Converter Transform text between various cases: camelCase, PascalCase, snake_case, kebab-case, SCREAMING_SNAKE_CASE, dot.case, UPPERCASE, lowercase, and Title Case. Smart parsing for any input format. • Hash Generator Generate secure hashes using MD5, SHA-1, SHA-256, and SHA-512 algorithms. Essential for checksum verification and security testing. • Unix Timestamp Converter Convert between Unix timestamps and human-readable dates. Supports seconds and milliseconds. Multiple output formats including ISO 8601, UTC, and local time. • Number Base Converter Convert between Decimal, Binary, Octal, and Hexadecimal. Auto-detects input format with 0x, 0b, 0o prefix support. • String Escape/Unescape Escape special characters for JSON strings or unescape encoded text. Handles \n, \t, \", \\ and more. • Color Converter Convert HEX colors to RGB and HSL with live preview. Generates ready-to-use SwiftUI, UIKit, and CSS code snippets. WHY DEVTOOLBOX? • Native Performance: Built with SwiftUI for blazing-fast performance • Privacy First: All processing happens locally on your device • Universal App: Works seamlessly on iPhone, iPad, and Mac • Dark Mode Support: Easy on the eyes during late-night coding sessions • No Ads, No Tracking: Just pure functionality • Offline Ready: No internet connection required Perfect for mobile developers, web developers, API developers, QA engineers, security professionals, and students learning to code. DevToolbox is your pocket-sized development companion. Stop switching between websites and online tools - get everything you need in one native app.

Screenshots

JSON Utilities3 screens
Dev Tool box2 screens

Verdict

The call

The clearest difference is ads: JSON Utilities at none against Dev Tool box's shown. On price, in-app purchases, device support 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 7 level
JSON Utilities versus Dev Tool box: the parameters behind the verdict, then further details
ParameterJSON UtilitiesDev Tool box
PriceFreeFree
Positive reviews40.0% of reviews—
Update frequency—Every 3 weeks
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS17.6 — better18.0
Further details — not scored
Size0 MB4 MB
Age rating4+4+
DeveloperElamParithi ArulSeonggon Sim

In-app purchases

None

JSON Utilities

No in-app purchases

None

Dev Tool box

No in-app purchases

Questions

Is JSON Utilities free?
JSON Utilities is free to download, with no in-app purchases.
Is Dev Tool box free?
Dev Tool box is free to download, with no in-app purchases.
Do JSON Utilities or Dev Tool box have ads?
Dev Tool box shows ads; JSON Utilities does not.

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