Comparison

Dev Tool box vs DevKit

Price, ratings, monetisation and update history for both apps, side by side — 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: • 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.

About

DevKit

This app provides a suite of offline developer tools for formatting, debugging, encoding, and converting data. It keeps all your work on your device, ensuring privacy and accessibility without an internet connection. Features include JSON formatting, JWT decoding, hash generation, and QR code creation.

Highlights
  • 30+ offline developer utilities
  • JSON, HTML, CSS, JS, XML, SQL formatting
  • JWT decoding and certificate inspection
  • Base64, URL, and HTML encoding/decoding
  • Hash generation (MD5, SHA-256)
  • Timestamp and number base conversion
  • QR code generation
Features
Read full description

Convert files and debug code in one app. DevKit turns PDFs into editable Word documents, photos into PDFs and HEIC photos into JPGs, and gives developers a full kit of formatters, decoders and generators. Everything runs on your iPhone or iPad: your files are never uploaded. FILE TOOLS > PDF to Word: Turn a PDF into an editable Word document (.docx), keeping headings, lists, links, images, headers and footers. Preview the result before you save it. Scanned pages are read with on-device text recognition. Tables are kept on iOS 26 and later. > JPG to PDF: Combine photos and scans into one tidy PDF > HEIC to JPG: Turn iPhone photos into JPGs for forms and websites > MOV to MP4: Turn .mov videos into .mp4 files > HTML Viewer: Open .html files safely and see their source > JSON, XML and CSV Viewers: Open data files as a tree or a table > Unzip and Zip Files: Open .zip archives, or bundle files into one > Open files straight from the Files app, Mail or Safari, and find everything you convert in the Files tab FORMATTERS > JSON Formatter: Format, minify and validate JSON, with a collapsible tree view > HTML, CSS, JavaScript, XML and SQL Formatters ENCODE & DECODE > JWT Debugger: Decode tokens, inspect headers and claims, verify signatures > Certificate Decoder: Read X.509 certificates > Base64, URL Encoder and Parser, HTML Encoder, Backslash Escape > Hash Generator: MD5, SHA-1, SHA-256 and SHA-512 CONVERTERS > Timestamp, Case Converter, Color Converter (HEX, RGB, HSL) > YAML to JSON, CSV to JSON, Number Base, Hex to Text > Cron Parser: Read cron expressions in plain English, with the next run times GENERATE & COMPARE > QR Code: Scan codes live with the camera or from a photo, and create your own > UUID and ULID Generator, Random String, Lorem Ipsum > Diff Checker, RegEx Tester, Markdown Previewer, Line Sort, String Inspector MADE FOR YOUR PHONE > History reopens your recent runs, stored only on your device > Paste, copy and share in one tap > Light and dark designs, large text and VoiceOver support > No account and no sign-up PRIVACY The tools process your text and files on your device. DevKit uses analytics to learn which tools are used (never what you put in them); you can turn it off in Profile > Privacy & Data. SUBSCRIPTION DevKit Pro unlocks every tool, as a monthly or yearly auto-renewing subscription. The price for your country is shown in the app before you buy. Eligible new subscribers get a free trial. Payment is charged to your Apple ID account when you confirm the purchase, or when the trial ends. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel it in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://devkitpro.app/privacy

Screenshots

Dev Tool box2 screens
DevKit4 screens

Verdict

The call

The clearest difference is in-app purchases: Dev Tool box at none against DevKit's 2. DevKit's advantage is ads (none vs shown) and update cadence (every 8 days vs every 3 weeks). On price and device support 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. DevKit sells 2 in-app purchases, starting at $9.99 per month. Dev Tool box asks for nothing beyond the download.

UpkeepUpdate frequency

Dev Tool box ships an update every 3 weeks, DevKit every 8 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Dev Tool box versus DevKit: the parameters behind the verdict, then further details
ParameterDev Tool boxDevKit
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 3 weeksEvery 8 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size4 MB57 MB
Age rating4+4+
DeveloperSeonggon SimAlexander Herdt

In-app purchases

None

Dev Tool box

No in-app purchases

2 purchases

DevKit

Subscriptions2
  • Pro Monthly3 Days trial$9.991 Month
  • Pro Yearly3 Days trial$39.991 Year

Questions

Is Dev Tool box free?
Dev Tool box is free to download, with no in-app purchases.
Is DevKit free?
DevKit is free to download, with in-app purchases available.
Do Dev Tool box or DevKit have ads?
Dev Tool box shows ads; DevKit does not.
Which is updated more often, Dev Tool box or DevKit?
Dev Tool box ships an update every 3 weeks, and DevKit every 8 days. Most recently, Dev Tool box was updated on October 24, 2026 and DevKit on October 24, 2026.

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