Comparison

Dev Tool box vs DevTools+

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

Head to head
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: โ€ข 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. โ€ข URL Encoder/Decoder Quickly encode or decode URLs for API testing and web development. RFC 3986 compliant encoding for maximum compatibility. โ€ข 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. โ€ข JWT Decoder Decode and inspect JSON Web Tokens without external services. View header, payload, and signature details instantly. Automatically handles "Bearer " prefix. โ€ข 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. โ€ข Hash Generator Generate secure hashes using MD5, SHA-1, SHA-256, and SHA-512 algorithms. Essential for checksum verification and security testing. โ€ข 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. โ€ข Number Base Converter Convert between Decimal, Binary, Octal, and Hexadecimal. Auto-detects input format with 0x, 0b, 0o prefix support. โ€ข String Escape/Unescape Escape special characters for JSON strings or unescape encoded text. Handles \n, \t, \", \\ and more. โ€ข Color Converter Convert HEX colors to RGB and HSL with live preview. Generates ready-to-use SwiftUI, UIKit, and CSS code snippets. WHY DEVTOOLBOX? โ€ข Native Performance: Built with SwiftUI for blazing-fast performance โ€ข Privacy First: All processing happens locally on your device โ€ข Universal App: Works seamlessly on iPhone, iPad, and Mac โ€ข Dark Mode Support: Easy on the eyes during late-night coding sessions โ€ข No Ads, No Tracking: Just pure functionality โ€ข 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.

About

DevTools+

A comprehensive suite of developer tools for mobile devices. Quickly format, convert, decode, and test code with a vast collection of utilities. Designed for efficient local processing with no account required.

Highlights
  • JSON formatter, validator, and converter
  • API tester with REST, GraphQL, and cURL support
  • Regex tester and highlighter
  • JWT decoder and analysis
  • Base64 encoder/decoder
  • Timestamp and timezone conversion
  • Local-first data processing
Features
Read full description

496 developer tools, ready on iPhone and iPad. DevTools+ puts everyday code utilities in one searchable app. Format JSON, test APIs, inspect regex, decode JWTs, encode Base64, generate UUIDs, convert timestamps, format SQL, and handle hundreds of other development tasks without jumping between random websites. FIND THE RIGHT TOOL FAST - Search all 496 tools across 29 categories - Pin favorites and reopen recent tools - Start with practical examples - Copy and share results - Keep supported history, snippets, and API work organized FORMAT AND CONVERT - JSON formatter, validator, minifier, tree view, sort, and escape - JSON to YAML, CSV, XML, TypeScript, and Java - XML, YAML, TOML, CSV, Markdown, SQL, and text utilities DECODE AND INSPECT - JWT decoder and analysis tools - Base64 encoder and decoder - URL, HTML, Unicode, hexadecimal, and character encoding tools - Hash, HMAC, password, certificate, header, and security helpers - Timestamp, timezone, cron, MIME type, port, and HTTP status references BUILD AND TEST - API tester and REST, GraphQL, cURL, header, and WebSocket helpers - Regex tester, match highlighter, replace, and reference tools - UUID, random data, mock payload, barcode, and QR generators - Git, CSS, React Native, testing, documentation, file, and log utilities LOCAL-FIRST BY DESIGN Most tools process directly on your device. Tools that need a network connection are clearly identified. Nothing you enter is sent anywhere unless the selected tool requires a network request. NO ACCOUNT REQUIRED Open the app and start working. A useful selection of tools is free. DevTools+ Pro unlocks the complete toolkit and removes ads. Built for developers, QA engineers, API testers, students, and technical teams who want a focused utility on their phone. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Dev Tool box2 screens
DevTools+4 screens

Verdict

The call

The clearest difference is in-app purchases: Dev Tool box at none against DevTools+'s 2. DevTools+'s advantage is ads (none vs shown) and iOS requirement (15.1 vs 18.0). On price, update cadence and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. DevTools+ sells 2 in-app purchases, starting at $1.99 per month. Dev Tool box asks for nothing beyond the download.

UpkeepUpdate frequency

Dev Tool box ships an update every 3 weeks, DevTools+ every 11 days. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

Scorecard3 real differences ยท 5 level
Dev Tool box versus DevTools+: the parameters behind the verdict, then further details
ParameterDev Tool boxDevTools+
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 3 weeksEvery 11 days โ€” better
AdsYesNo โ€” better
In-app purchasesNo โ€” betterYes
Monetizationโ€”Freemium
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.015.1 โ€” better
Further details โ€” not scored
Size4 MB57 MB
Age rating4+4+
DeveloperSeonggon SimTosh Labs Private Limited

In-app purchases

None

Dev Tool box

No in-app purchases

2 purchases

DevTools+

Subscriptions2
  • Pro Monthly$1.991 Month
  • Pro Annual$19.991 Year

Questions

Is Dev Tool box free?
Dev Tool box is free to download, with no in-app purchases.
Is DevTools+ free?
DevTools+ is free to download, with in-app purchases available.
Do Dev Tool box or DevTools+ have ads?
Dev Tool box shows ads; DevTools+ does not.
Which is updated more often, Dev Tool box or DevTools+?
Dev Tool box ships an update every 3 weeks, and DevTools+ every 11 days. Most recently, Dev Tool box was updated on September 17, 2026 and DevTools+ on September 12, 2026.

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