Apple interview questions

56 questions22 coding4 system design30 behavioral16 freeUpdated

This is every question in the Apple guide, in one list: 22 coding problems, 4 system designs and 30 behavioral questions, drawn from what candidates report about Apple interviews.

Each row shows the round it comes from and links to the lesson that works through it. 16 are free to read in full. The other 40 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Apple coding interview questions

22 problems, in the order the guide teaches them. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

1Two Sum: One-Pass HashmapFreeEasyArrays & Strings
2Longest Substring Without Repeating Characters: Sliding WindowFreeMediumArrays & Strings
3Product of Array Except Self: Prefix and Suffix SweepsFreeMediumArrays & Strings
4Group Anagrams: Canonical Key BucketsFreeMediumArrays & Strings
5Maximum Subarray: Kadane in One PassFreeEasyTwo Pointers & Intervals
63Sum: Sort then Converging PointersFreeMediumTwo Pointers & Intervals
7Trapping Rain Water: Two Pointers, No Extra ArraysFreeHardTwo Pointers & Intervals
8Merge Calendar Events: Merge IntervalsFreeMediumTwo Pointers & Intervals
9Meeting Rooms II: Counting ConcurrencyFreeMediumTwo Pointers & Intervals
10Premium medium problemMediumDesign Data Structures
11Premium medium problemMediumDesign Data Structures
12Premium hard problemHardDesign Data Structures
13Premium medium problemMediumDesign Data Structures
14Premium medium problemMediumGraphs & Grids
15Premium medium problemMediumGraphs & Grids
16Premium medium problemMediumGraphs & Grids
17Premium medium problemMediumTrees & Heaps
18Premium medium problemMediumTrees & Heaps
19Premium hard problemHardTrees & Heaps
20Premium hard problemHardTrees & Heaps
21Premium hard problemHardTrees & Heaps
22Premium medium problemMediumTrees & Heaps

Apple system design interview questions

4 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Object-Oriented & Low-Level DesignFree
2Design Multi-Device Sync (Premium)
3Design a Storage Migration (Premium)
4Design Real-Time Messaging (Premium)

A lock means the design is named here and its walkthrough is Premium.

Apple behavioral interview questions

30 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

Craftsmanship & attention to detail (5)

#Question
1Tell me about something you shipped that you were proud of.Free

4 more in Premium

Read the Apple behavioral questions

See all 56 Apple questions by name

Premium opens the 40 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

Common questions

How many questions are in the Apple interview guide?

56: 22 coding problems, 4 system designs and 30 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Apple interview questions come from?

All 22 coding problems come from the coding rounds. The 4 system designs and 30 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which Apple interview questions are free?

16 of the 56 are free to read in full, marked Free in the list. The other 40 come with Premium, which also opens all 100 company guides.