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Very few people have unlimited data for their iPhone, so a tool like Data Usage is very useful, showing you quickly how much you've used and how close you are to your limit.

Data Usage provides only what it promises to show you. There are two readouts on the screen--one shows how much data you have used and the other shows your limit. You can change either number with the tap of a button and the graphic at the top will show you visually how close you are to your limit. In tests, the meter proved to be fairly … Read more

Voice Changer Plus is not necessarily unique, but its clever interface and integration of multiple free voices and sound effects for altering or even transforming a recording are not only well done, but also incredibly fun to use. This is a very feature-rich, free app that provides all of the core functions in the lite version, and that makes it easy to use without any unnecessary menus or barriers.

Open Voice Changer Plus and you are shown a single screen where all of the functions can be accessed. The first step is to record your voice as you say something. … Read more

The most impressive thing about PowerSketch is that it works on the fly. There are many photo editing or augmentation apps that allow you to change the features in a photo or make it look different than it should after the fact, but PowerSketch shows the final image as you view it, within the camera screen. Even more impressive, it can do the same thing for videos, making this one of the better photo manipulation apps on the App Store.

PowerSketch is a well-designed app from start to finish. Designed to look like a notebook and featuring a number of … Read more

The iPad and iPhone are perfect for file transfers. They are portable, have remote connections to the Internet and allow you to access the files and view them on the go, something that a flash drive cannot do. However, file sharing is very limited as it is and requires a third-party app, so there are tools like ZipApp that allow you to quickly and easily move files from your computer to your device.

The concept is similar to other iOS file sharing tools--open the app and click on the upload or share button. Now go to a computer and open … Read more

When it comes to editing photos, the iPhone is severely lacking. The built-in tools for the device provide no means to edit the photos you've taken--only save or share. Fortunately, there are dozens of apps that allow you to do this, providing an additional layer of customization for all of your photos. SPPhotoFix is one of those tools, allowing you to quickly load a photo and edit it in on your iPhone, but does it provide enough tools to warrant a download?

When you open SPPhotoFix, you have few options. Open a photo, edit that photo, or save and … Read more

There are dozens of calculator apps on the App Store, so opening someone's phone and finding an app called "digital calculator" wouldn't cause anyone to bat their eyes twice. Except, this particular digital calculator is actually Spy Calc, an app that hides private photos and videos behind the façade of a boring calculator interface.

The tool is ingeniously made. The front-end calculator uses the built in iOS tools to recreate a digital calculator, but adds a password to it as an extra layer. You can use the calculator or you can enter your password … Read more

Why create a new interface when you can borrow heavily from Apple, a company that has become known the world over for its commitment to exceptional interface design? That's the logic behind SVG Notes and it works surprisingly well, organizing notes in an iBooks-style layout that makes finding your recent notes easy, and using the app, pleasant.

This is a note-taking app, but it goes deeper than that by integrating a number of other features. To start, you'll be greeted with a bookshelf interface that looks a lot like iBooks. Tap the Library button and you can view … Read more

Users with a large collection of disc media might want a way to customize labels for easier identification. Despite its dated interface, Disketch CD Label Software for Mac performs well and has a number of features one would expect from similar, more popular programs.

Being a rather light application, at around 634KB Disketch CD Label Software for Mac downloads quickly. After accepting a lengthy user agreement, the app's installation completed without any problems. There were no user instructions or tutorials readily available, but the main menu was intuitive, making this less of an issue. Technical support was also lacking. … Read more

The free version of QuickVoice Recorder for iPhone does very little that the built-in voice recorder for your phone doesn't already do. You can quickly and easily record your voice with the tap of a button, navigate the list of recordings you've taken, and share them with people via e-mail as a recording or a ringtone. Is this enough to replace the built-in tool that comes with the iPhone? Let's take a look.

Quick Voice Recorder has a very limited audience in its free iteration because it really just retreads the same basic functions of a built-in … Read more