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As an American living in Ireland, I’m constantly converting numbers: euro to dollar, Celsius to Fahrenheit, kilogram to pound. You wouldn’t think life would be so complicated, but I live on the northern border, which means road signs switch from kilometers to miles. The ultimate goal is not to be constantly looking for an app to tell me the answer, but to develop an understanding of the conversions so I can begin to think it through myself. The Converted by Ideon claims to be a “radical new way to convert.” Rather than answer my questions, the app forced me to dive into the numbers and find my own answers. I’ve always struggled with numbers, so I was skeptical about being converted.

Is The Converted a highly evolved app of the future? Did I join The Collective? Keep reading to find out.


There are countless reasons that one might need to convert from one unit to another. Maybe you are an mechanical engineer who needs to convert your water pressure from inches of mercury to kilopascals. Or maybe you are just a high school student who wants to convert square feet to square meters for a geometry problem. Convex is an app that converts a variety of measurements between different units and does so with a simple, intuitive and beautiful package.

There are lots of apps out there that convert between units of measurement on the app store and claim to be the best, the easiest or the most powerful. An example of a great measurement conversion app is Convertbot, by Tapbots. Clearly, these two apps are similar, from the wheel of units that the app is based around to the clever ways that each of the different measurements are displayed. But how does Convex stack up? (more…)