Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

How you will store user info (username, password or token) securely in ios?

836

What is wildcard app ids?

941

From which ios version, arc is supported?

867

What are advantages of arc over mrc?

895

Explain application sandboxing.

831

Have you uploaded app on appstore? What is the process?

760

What is difference between unit tests and ui test in xcode?

917

Why do we override drawrect: method? How to explicitly call it?

809

Explain difference between mrc and arc?

893

What are layers?

869

What is nsmanagedobjectcontext? What are the different concurrency types?

810

What is thread safe?

824

How many types of background modes supported in ios?

780

How we can execute some code when app is in background?

821

How you can add frameworks in xcode project?

850

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Un-Answered Questions { Apple iOS }

What is synthesize in ios?

828

Is react native easy?

796

What is a protocol in objective-c programming language?

874

Which object manage the presentation of app's content on the screen?

886

What is bundle id?

884

How do I open a csv file on my phone?

860

Can you please explain the difference between frame and bounds?

883

What is encapsulation in ios?

828

What is categories in iOS?

914

What is messaging? What is message forwarding?

838

What is difference between unit tests and ui test in xcode?

917

Can you pass same core data objects between different threads and modify?

815

Is it safe to update to ios 13?

821

Does ios have garbage collection?

807

What is nspersistentstore?

976

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