Since September, Apple's iPhone event has sparked many questions about iOS mobile development.
In the latest video of our Ask a Dev series, iOS architect Kevin Harwood provides answers to those questions, including why Apple chose to sell its "budget" iPhone 5C. He also offers helpful resources for those starting to develop iOS apps.
See also: Ask a Dev: Should I Develop for iOS or Android First?
The new Apple A7 system-on-a-chip found in every iPhone 5S is twice as fast as its A6 predecessor. The A7 also introduces twice the level of improvement on graphics performance, especially apparent in gaming, and it opens the door for apps to be made with faster and more powerful 64-bit chip architecture in the future. 
When discussing Apple's decision to offer the iPhone 5C, Harwood says, "Apple's new strategy is going to be releasing a phone at that price point every year that's an updated newer model to continue the attack on the lower price range of smartphones."
Lastly, Harwood recommends his favorite tools for app development on iOS including, Apple's developer resource page and the video tutorials on Lynda.com. He also suggests investing in some Apress books for learning Objective-C programming and other coding syntax for the iOS platform.
Our developer experts are from Mutual Mobile, a leading development and design firm that builds mobile strategies for top companies such as Audi, Google and Citigroup. The team is eager to answer your questions about mobile, so ping us with your top queries on Twitter, using the hashtag #AskaDev. Don't forget to check out our Ask a Dev YouTube channel and subscribe.
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Image: Mashable, Nina Frazier