iOS Interview Questions for Freshers
Preparing for your first iOS interviews? This set is curated for freshers and early-career developers (0–2 years): the 27 questions that come up most for entry-level roles, each with a clear answer, example code and follow-ups.
27 iOS questions
- 1What is MVVM architecture?Intermediate
- 2What are notifications in iOS?Intermediate
- 3Weak vs Unowned referencesIntermediate
- 4What is SwiftUI?Intermediate
- 5What is URLSession in iOS?Intermediate
- 6What is Codable in Swift?Intermediate
- 7How does error handling work in Swift?Intermediate
- 8What are extensions in Swift?Intermediate
- 9What are protocols in Swift?Intermediate
- 10What are closures in Swift?Intermediate
- 11What is Grand Central Dispatch (GCD)?Beginner
- 12What is UITableView?Beginner
- 13What is delegation pattern in iOS?Beginner
- 14What are IBOutlets and IBActions?Beginner
- 15What is UIViewController lifecycle?Beginner
- 16What is ARC in iOS?Beginner
- 17Class vs Struct in SwiftBeginner
- 18Difference between arrays and dictionaries in SwiftBeginner
- 19What are optionals in Swift?Beginner
- 20What are variables in Swift (let vs var)?Beginner
- 21iOS Interview Question 5 (Free)Intermediate
- 22iOS Interview Question 4 (Free)Beginner
- 23iOS Interview Question 1 (Free)Beginner
- 24iOS Interview Question 2 (Free)Intermediate
- 25iOS Advanced Interview Question 10Beginner
- 26iOS Advanced Interview Question 8Intermediate
- 27iOS Advanced Interview Question 7Beginner
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Frequently asked questions
Which iOS questions do freshers (0–2 years) get asked?
This page collects 27 iOS interview questions aligned with freshers (0–2 years), ranging across the difficulty levels that match that experience band.
How do I prepare for a iOS interview with my experience level?
Work through these questions in order, make sure you can explain each answer out loud, and pay attention to the real-world examples and follow-ups — interviewers at this level care as much about reasoning as the final answer.
Do the answers include code and examples?
Yes — answers include explanations, code examples where relevant, common mistakes to avoid and follow-up questions so you are ready for the full interview conversation.