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iOS is the operating system powering all of Apple’s iPhone smartphones, the main competitor to the Android operating system which powers most other smartphones. It’s proprietary software, meaning it’s only used on Apple iPhones, at least officially. It also is the foundation for three of Apple’s offshoot operating systems, namely iPadOS (powering iPads), watchOS (powering Apple Watches), and tvOS (powering, of course, Apple TV).
Unlike macOS and Android, iOS requires all applications built for it to be listed on the App Store, which locks developers and companies into following strict Apple guidelines and using the official payment processor, among other things.
iPhones have just about hit parity with Android phones in the United States, though Android still has the lead around the rest of the world. Still, though, they represent a massive portion of the world’s smartphone market, and, if you want to get your company’s mobile app onto their phones, you’ll have to have an iOS developer to help you.
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance iOS project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance iOS request on Codementor, check out our article.
We don’t charge anything when you post a freelance hiring request for iOS developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
iOS developers should be experienced with object-oriented programming (OOP), Swift, Objective-C, Apple’s iOS SDK, infrastructure layers, and other programming languages, frameworks, libraries, APIs, and technologies you require be used in the application you’re building. They should have a solid understanding of computer science data structures, algorithms, databases, automated testing, and Apple’s general best practices and guidelines when it comes to design and development.
Keep in mind that iOS developers primarily focus on iPhone applications, not for apps for the iPad or Apple Watch. However, if you want an iOS developer who can also get an app created for those devices, you’ll want someone who is also well-versed in iPadOS and watchOS, respectively.
We do a comprehensive technical and communications screen of all iOS developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing iOS developers’ user satisfaction rates.
To begin, you’ll want to quantify their level of knowledge around iOS and the Apple ecosystem in general. Do they have a solid understanding of Swift and Xcode? What about UI design principles, memory management, RESTful APIs, Cocoa Touch, and TestFlight? How is their experience when it comes to more general things, like troubleshooting, source control, and user experience?
Ask prospective freelance iPhone developers to share a portfolio of their past work. Do their chosen entries seem impressive, dripping with quality, and similar to what you’re trying to accomplish? How do they go about testing, multitasking, and working across multiple teams and departments? Do they have experience with submitting applications and updates to Apple’s App Store?
Don’t neglect asking questions about their soft skills and freelance readiness, as well. Learn about how well they communicate, solve problems, make decisions, and manage their time, and see if they are well-versed in taking initiative and working autonomously.
For more answers to frequently asked questions, see here.