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I’ve tried and reviewed a ton of productivity apps for both Mac and iPhone. Some I love, some I hate, but the dividing line between these two usually comes down to a few simple features as they all pretty much work the same way. A truly unique day planner or GTD app is quite the rarity. In fact, it’s more of an empty promise put forth by every app in this category and fulfilled by very few.

Diacarta is that one app that finally said “enough.” Enough of the same old productivity app reproduced in one hundred different variations, enough taking more time to enter tasks into your schedule than it actually takes to do them, and enough scrolling through a boring lists of tasks not designed for visual thinkers.

Below we’ll take a look at what Diacarta is and how it uses a simple and brilliant interface to change the way you plan your life.


The fourth generation iPhone shattered records for opening day sales and continues to sell quite well despite antenna-gate. This means there are bound to be tons of brand new iPhone users out there who are still getting the hang of their new favorite toy.

We decided to give these users a hand by both drudging up some tips and tricks that have been around since the beginning as well as a few new hints that only work with iOS 4. Each tip below features a handy graphic to help you figure out the process.


How many yards are in a mile? How many ounces are in a cup? What’s the current conversion rate of dollars to euros? The apps in this post are built specifically to answer these questions.

Today we’ll take a look at three solutions for converting almost everything you can think of on your iPhone. We’ll start with two of the best paid options out there and conclude with a free but adequate alternative.


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