iPassion

Free apps get downloaded zillions of times: a lot more then commercial apps. There are plenty of different estiamtes on the ratio between free and paid apps. In our experience, free apps can get even more then 10 times the downloads then a similar paid app priced over the 0.99 USD tier. We’re speaking of [...]

iSuppli Corp. reported that the multi-touch 9.7-inch display on the iPad could cost around $80, while its custom-designed A4 processor would cost about $17 per unit. The 16GB of memory is estimated to cost about $29.50.
Total parts cost would be $219.35… well below the starting price of $499 for the 16GB iPad. Manufacturing costs add [...]

This is the first of an article series about features our iPhones have that are not-so-obivous until you find them and try them once. All these features are explained somewhere on the web, and most of them are well detailed on Apple’s website, but, if you’re like me, you’re not going to explore that website [...]

So, what’s Core Data anyway?
Core Data helps you to save model objects (in the sense of the model-view-controller design pattern) to a file and get them back again. This is similar to archiving technology but Core Data offers much more than that. Amongst other things it…

Provides an infrastructure for managing all the changes to [...]

Prayers is an easy-to-use, multi-language Christian Prayers database. It represents the ultimate reference to Catholic Prayers for iPhone and iPod Touch.
The native iPhone app is in the top 10 of the Reference Category in the Italian App Store, and in the top 100 apps for the Reference Category in Spain and France.
Prayers is no-frills and [...]

UIWebView is a great control to display formatted text (using HTML language). That text might contain links that you want to intercept in Objective-C and do a specific action (push a new view for example).
You can do this by implementing UIWebViewDelegate protocol…

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
NSArray *parts = [[[request URL] absoluteString] componentsSeparatedByString:@"#language_id_"];
if ([parts [...]

Rhodes allows you to create and use helpers, short methods you typically use to DRY your views. Very much the same as the ones you encounter in Rails. There are a number of caveats though.
Helpers are not loaded automatically
In rails you add a module to app/helpers and it gets loaded automatically. Not so in
rhodes. [...]

We discussed in the past what are the best tools out there to create mock-ups for an iPhone application storyboard — a document that describes the app flow and the desired user interaction that will get you much closer to prototyping.
A few days since the iPad has been shown in public for the first time [...]

The new iPad. Will it be a success? Will it be a flop? Why people complain about it? Is it worth to get my apps optimized for the iPad? What if it will be a huge flop?
Continue reading to find out.
Great expectations and a bit too much excitement.
The first iPod Touch was an iPod with [...]

As Steve Jobs showed us the long anticipated tablet yesterday, internet (as expected) went super-crazy about it. There has been so much coverage that at some point 8 out of 10 trending topics on Twitter were iPad related. I believe everything worth saying about this device has already been written and there’s not much point [...]