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

Apple iOS Interview Questions

Questions Answers Views Company eMail

What is a difference between stack and heap memory?

813

What are different instruments xcode supports for app profiling?

949

What do you mean by rest?

837

What is the difference between strong and retain.

767

How to animate view with constraint?

823

What is the difference between weak and strong?

897

What is the difference between developer and enterprise developer accounts?

766

What are various singleton instances provided by frameworks?

883

Explain concept of notification center, local and remote notifications.

735

Can apk files run on ios?

1 1609

How can mobile application errors be prevented?

924

How do I get rid of app errors on iphone?

794

How do I open a csv file on my phone?

860

What is error in application in iphone?

964

How do you fix app errors on iphone?

863

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Un-Answered Questions { Apple iOS }

What is a background thread?

893

What is strong weak in ios?

884

what are all instruments available in Xcode?

1013

What is ios appdelegate?

871

What is sandbox in iOS operating system?

999

What is nsuserdefaults?

889

Can a "delegate" retained in ios?

832

What is singleton in ios swift?

946

Different types of persistent stores? Which all types can we have on ios?

867

Explain what is the stack of autorelease pools. How autorelease pool work under the hood?

1445

Which object is create by uiapplicationmain function at app launch time?

844

What is difference between synchronous and asynchronous in web request in iOS operating system?

870

What is the difference between copy and retain?

818

Explain me what is polymorphism?

882

An app is loaded into memory but is not executing any code. In which state will it be in?

818

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