Comparison

luai5.2.1$ 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

luai5.2.1$

Learn, run, and share Lua 5.2.1 scripts on iOS. Features include autocompletion, code coloring, and a built-in browser for learning materials. Customize the interface and generate QR codes for easy sharing.

Highlights
  • Autocompletion and auto-indent
  • Code coloring and font size adjustment
  • Built-in browser for learning materials
  • File system support for various formats
  • Customizable interface and execution voice
  • QR code generation for sharing
  • Share code via email and social media
Features
Read full description

This is an ios lua5.2.1 app,you can learn,run,share lua5.2.1 script. Features : Autocomplate. Auto Indent. Code color. In(the built-in browser or the txt editor),Select the text to run. Horizontal screen development. Code templates,the contents of the new file is copy from contents of the template file. *You can enter lua code by keyboard, then you can execut the lua code,support the io.read() function. *You can use the file system to supports txt, pdf, chm, mp3,m4v,zip, gif, png, html, lua ,doc... *You can adjust the code color and font size , and support to move the cursor left and right and up and down , easy to read and write. *You can find learning materials by the built-in browser . *You can save lua code and learning materials, and can be modified to the save file and delete the save file . *You can control the background image and color, and execution voice , background animation, text color and shadow, switch interface animation , the number and the order of the main interface of the tab bar to create your learning software. *You can Learn lua knowledge , the system provides some basic learning materials . *You can use lua code or learning materials to generate two-dimensional code , for easy sharing . *You can share code by Email,Weibo,Twitter,Facebook. *You can use the counter,light in the Setting tab.

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

luai5.2.1$4 screens
Dev Tool box2 screens

Verdict

The call

The clearest difference is price: Dev Tool box at Free against luai5.2.1$'s $2.99. Dev Tool box also leads on update cadence (every 3 weeks vs every 3 months). luai5.2.1$'s advantage is ads (none vs shown) and chart position (#191 vs unranked). On 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

Dev Tool box is free to download; luai5.2.1$ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

luai5.2.1$ ships an update every 3 months, Dev Tool box every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard5 real differences Ā· 4 level
luai5.2.1$ versus Dev Tool box: the parameters behind the verdict, then further details
Parameterluai5.2.1$Dev Tool box
Price$2.99Free — better
Positive reviews87.5% of reviews—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#191 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Mac
Requires iOS14.0 — better18.0
Further details — not scored
Size24 MB4 MB
Age rating17+4+
Developerå°ę–‡ 黄Seonggon Sim

In-app purchases

None

luai5.2.1$

No in-app purchases

None

Dev Tool box

No in-app purchases

Questions

Is luai5.2.1$ free?
luai5.2.1$ costs $2.99, with no in-app purchases.
Is Dev Tool box free?
Dev Tool box is free to download, with no in-app purchases.
Do luai5.2.1$ or Dev Tool box have ads?
Dev Tool box shows ads; luai5.2.1$ does not.
Which is updated more often, luai5.2.1$ or Dev Tool box?
luai5.2.1$ ships an update every 3 months, and Dev Tool box every 3 weeks. Most recently, luai5.2.1$ was updated on November 1, 2026 and Dev Tool box on October 30, 2026.

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