Beginner iOS Interview Questions
Starting out with iOS? These 14 beginner-friendly iOS interview questions cover the fundamentals hiring managers expect from entry-level candidates — with plain-English answers, runnable code and the mistakes that trip people up.
14 iOS questions
- 1What is Grand Central Dispatch (GCD)?Beginner
- 2What is UITableView?Beginner
- 3What is delegation pattern in iOS?Beginner
- 4What are IBOutlets and IBActions?Beginner
- 5What is UIViewController lifecycle?Beginner
- 6What is ARC in iOS?Beginner
- 7Class vs Struct in SwiftBeginner
- 8Difference between arrays and dictionaries in SwiftBeginner
- 9What are optionals in Swift?Beginner
- 10What are variables in Swift (let vs var)?Beginner
- 11iOS Interview Question 4 (Free)Beginner
- 12iOS Interview Question 1 (Free)Beginner
- 13iOS Advanced Interview Question 10Beginner
- 14iOS Advanced Interview Question 7Beginner
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Frequently asked questions
How many beginner iOS interview questions are there?
This page covers 14 beginner-level iOS interview questions, each with a short answer, a deeper explanation, code examples, common mistakes and follow-up questions.
Are these iOS questions suitable for beginner interviews?
Yes. Every question is tagged beginner difficulty and chosen to match what interviewers expect at that level, so you can focus your preparation without wading through questions that are too easy or too hard.
How should I practise these iOS questions?
Read the short answer first, attempt the question yourself, then expand the detailed explanation and real-world example. Review the common mistakes and follow-up questions to make sure you can handle interviewer probing.