Web Development Blog

13 FREE iPhone Apps for Web Developers

There are many web development related iPhone apps on the Appstore, but it not very often you come across a FREE app that is useful and works as it should. Therefore, I am sharing 13 Free iPhone apps that I think will be useful for you as a web developer.

PhpRiot PHP Reference

This app gives you full access to PHP manual, Zend Framework programmer's guide and Smarty Template Engine manual. There is also a quiz training system, which you can use to test and improve your PHP knowledge.


This is a must-have utility app for web developers as it displays HTML source of a web address. There are two modes available; on Portrait mode, it displays raw HTML and on Landscape mode, it shows a web view alongside the source.

CSS UNIT Converter

This is a quick and easy conversion calculator for Front-end developers working with pixels, ems, percentages, and points. It lets you convert a font size in pixel to em, pt and % easily. The conversion table is very useful because you can see all the different values in a single screen.

CSS Quick Reference

CSS Reference app provides handy access to all of the W3C's Cascading Style Sheets (CSS) properties, pseudo-classes and pseudo-elements, including the syntax (with the equivalent JavaScript syntax for the given property), possible values for each property, usage notes, and fully rendered sample code. The sample HTML code can be edited and re-displayed using the built-in browser which mean you can try different values and see how it looks without having to use another CSS Editor.

Mobile CSS Reference

Mobile CSS Reference gives you descriptions, examples, syntax and limitations of CSS properties and selectors on a nice UI.


This app lets you identify the fonts in a photo or a screeshot. So the next time you see a great font in a magazine ad, poster, or on the web, you can just take out your iPhone and snap a photo, and WhatTheFont will identify that font for you. This app requires Internet connection and works via Wi-Fi or the mobile phone (3G) network.

Linux Command Reference

With Linux Command Reference (LCR) app, you can access to the most widely used Linux commands to date. Although this app doesn't cover every single Linux command, it is a good "starter" for anyone who's just starting out with the Linux operating system.


JSInt is an interactive JavaScript console which lets you perform mathematical calculations or for learning JavaScript. Just input your Javascript statement in the console and it will return you the result. For example, if you enter parseInt(5.135, 10), it will return 5. JSInt uses JavaScriptCore Open Source library which implements JavaScript 1.5 / ECMA-262 3rd edition.


Chmod is a handy little utility app for determining file and directory permissions on Mac OS X, Linux and Unix operating systems.

RGB Colors

RGB Colors iPhone app show you the color of the RGB combination that you choose using the sliders provided. It will be useful when you want to use rgb or rgba values to declare a color in CSS.


WordPress app enables you to manage your WordPress blog or site from your iPhone device. With this app, you can moderate comments, create or edit posts and pages, and add images or videos with ease. All you need is a WordPress.com blog or a self-hosted WordPress.org site running 2.9.2 or higher. I have written a step-by-step guide on how to use WordPress iPhone app.


Dropbox app lets you access all your photos, docs, and videos saved in your Dropbox account from your iPhone. Not only does it let you access the files, you can also save photos and videos into your Dropbox account from your iPhone.


PassGen generates a random password that is between 4 and 16 digits and comprised of upper and lower case letters, numbers and special characters. It can also be used to generate Hexadecimal passwords. Once a password has been generated, it can be emailed.