How can I create better looking charts than those

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I'm looking for good library for iphone to draw charts (pie chart, bar chart). I've tested Core plot, which was recommended by many people, but I think the generated charts look poor.

I saw example of good-looking charts in that application:

Anyone knows what library was used there? Or what library can help me achieve similar, nice look?

回答1:

I would use CorePlot, but since you dont like it…

In one project I used the Google Chart api. Nearly everything is customizable, the only downside is that you have to be connected the internet to fetch the image. Depending on your use case, it might be appealing.

You can also checkout the huge list of responses to this similar question: Is there a good charting library for iPhone?