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Coinverter Review

iPhone App - Designed for iPhone, compatible with iPad
By Charlie Miller on April 8th, 2014
Our rating: starstarstarstarhalfstar :: EASY MONEY CHANGING
Coinverter makes it easy for anyone handling money from different places to quickly convert from one currency to another.
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Units convert Review

+ Universal App - Designed for iPhone and iPad
By Angela LaFollette on February 13th, 2014
Our rating: starstarstarstarhalfstar :: WELL-POLISHED
Units convert not only provides hundreds of units across a long list of categories, but it also allows users to save their favorite unit pairs.
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Convert Review

iPhone App - Designed for iPhone, compatible with iPad
By Jennifer Allen on October 1st, 2013
Our rating: starstarstarstarblankstar :: MINIMALIST YET USEFUL
Useful and simple to use, Convert is a handy conversion tool slightly let down by its advertisements.
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Infect Them All 2: Zombies Review

+ Universal App - Designed for iPhone and iPad
By Rob Rich on March 7th, 2013
Our rating: starstarstarstarblankstar :: 4. ITCHY. TASTY.
More can sometimes equate to better, even when it involves hordes of flesh-eating corpses.
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Calibre: iBooks' Ideal Desktop Companion - Convert and Organize Your eBooks

Posted by Zach Sims on June 15th, 2010

The iPad is, along with the Kindle and the Nook, one of the first devices to bring the pleasures of eReaders to the masses. Unfortunately, it has brought the struggles of digital media along with it, casting users into a sea of confusion with new acronyms like ePub and mobi, among others. The most basic users will undoubtedly simply stick to Apple's included solution and purchase all of their books directly from the iBooks store. This remains an incredibly simple and turnkey solution that even advanced users should consider. Other book sellers, like Amazon and Barnes & Noble, each include similar storefronts, allowing purchases from the desktop on their websites and simple delivery to the iPad. Each of these interactions requires little more than several clicks and files never need to be transmitted from the desktop to the iPad itself. But what's the more advanced user to do if the iBooks/iTunes combination isn't enough?

[caption id="attachment_39307" align="alignright" width="300" caption="Calibre\'s Conversion Dialog"]

[/caption]Those that dare to wade into the more advanced waters of eBook reading will need a quick primer on their device's capabilities. The iPad's native reader, iBooks, currently only supports the open ePub format, although support for PDFs is promised in a forthcoming version showcased at WWDC alongside iOS4. It's important to note that eBooks downloaded from any of the aforementioned stores (Amazon, B&N, and iBooks) may come in the ePub format, but each is locked down with its own proprietary digital rights management system, making files from one online bookstore unreadable in another company's reader.

Yet there are a multitude of sources for unencrypted eBooks, including stores who sell books without DRM. Formats may become an issue in this case, with lit, mobi, and more serving as the defaults for several other popular mobile readers. In this case, a user's best option for books management is Calibre, a terrific open source program that works with a wide variety of eBook formats and readers. I'd say Calibre is the iTunes for your digital book library, but I like to think of it more as iBooks' desktop companion.

iBooks' Best Friend

Calibre, available free of charge, deftly converts eBooks from most formats to ePub, PDF, and more. It's as simple as dragging and dropping into the app and selecting an output format. Calibre can also download metadata and covers so iBooks properly organizes your book when it's displayed on your iPad. The app also centralizes your books on your hard drive so there's always somewhere to go to find the original eBook, just as iTunes attempts to centralize your music library in a folder on your hard drive.

Calibre offers simple solutions for moving these books to your iPad, with a recently unveiled "push-to-iTunes" feature that will seamlessly add books to a connected iPad. Otherwise, users have to go into their Calibre library folder and drag the books to iTunes' iBooks panel (when an iPad is syncing). If you're not an iBooks user, Calibre works perfectly with Stanza, one of my favorite apps.

Like to Read? You'll Love Calibre
Calibre does what any good app does - removes the strictures of formats and medium and instead leaves the text itself as the most important part of the reading experience. A simple drag and drop enables users to convert books from any format to any other format with ease. The developers are great and the app sees frequent and innovative updates. Like most open source projects, it makes me want to donate - the software's almost too good to be true. It does much more than converting eBooks, though, and it's worth a look for anyone interested in reading, whether on your iPad or off. Get it here.

Convertbot

iPhone App - Designed for iPhone, compatible with iPad
By Donna Harrison on March 26th, 2009
Our rating: starstarstarstarhalfstar :: HIGHLY RECOMMENDED
The newest entry into the crowded field of conversion utilities is from the developers at Tapbots. That alone is worthy of our attention and Convertbot does not disappoint.
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PCalc RPN Calculator

+ Universal & Apple Watch App - Designed for iPhone, iPad and Apple Watch
By Gary Lucero on March 3rd, 2009
Our rating: starstarstarstarhalfstar :: RECOMMENDED
PCalc RPN Calculator has an optional RPN mode and a plethora of conversions built-in, a two-line display, undo and redo, and just about everything else one would expect from a scientific or engineering calculator. Its display is fully customizable and inc
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Measures

iPhone App - Designed for iPhone, compatible with iPad
By Jeff Scott on September 25th, 2008
Our rating: starstarstarstarhalfstar :: 99 CENT GEM
A well done conversion utility priced right in a very crowded category.
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Units

iPhone App - Designed for iPhone, compatible with iPad
By Jeff Scott on August 27th, 2008
Our rating: starstarstarstarstar :: 99 CENT GEM
Number conversion utility with great options.
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