Apple Coding Interview Questions (2026)
Most-reported questions and how to practice them
303 coding questions reported by candidates for Apple, sorted by how often they were reported. Source: community-sourced LeetCode company lists.
What the Apple question data shows
Of the 303 questions reported for Apple, 59% are medium, 15% are hard and 25% are easy. The most reported are LRU Cache, Two Sum, Merge Intervals, Number of Islands, Longest Substring Without Repeating Characters.
This list comes from community-sourced LeetCode company lists. It covers coding questions only. It does not tell us how many rounds Apple runs, what each round covers, or what it pays, and those change by role, level and team, so we do not list them. Ask your recruiter what each round covers, and check the company's careers page.
Prepare for the rest of the loop with the coding interview patterns guide, the system design framework, and the STAR method guide. Written by Kieron.
Apple Interview Questions
303 LeetCode questions — sorted by frequency. Question frequency is community-sourced from public interview reports and may not reflect the current process; verify details with the employer.
Last reviewed: September 5, 2026 · Source: LeetCode company-wise interview questions (community reports) · Reviewed by the Aissence Editorial Team.
LRU Cache
Two Sum
Merge Intervals
Number of Islands
Longest Substring Without Repeating Characters
Longest Common Prefix
Valid Parentheses
Valid Sudoku
Rotate Image
Group Anagrams
Best Time to Buy and Sell Stock
Valid Palindrome
Reverse Words in a String
Rotate Array
Reverse Linked List
Course Schedule
Course Schedule II
Kth Largest Element in an Array
Product of Array Except Self
Top K Frequent Elements
Tips for Success at Apple
Start with the 30 most reported Apple questions, then work down the list.
Mediums are the bulk of the list (59%), so spend most of your time there.
Time yourself: 20 to 30 minutes per medium, then explain your solution out loud as if to an interviewer.
After each problem write down the pattern and the signal that revealed it. Patterns transfer to problems you have not seen.
Pair coding practice with a system design framework and prepared behavioral stories; most loops include more than coding.
How to Practice for Apple Interviews
Practice answering out loud with an AI interviewer built from your resume and the job description, and get a score and specific fixes for each answer. We are not affiliated with Apple, and the mock interview is general practice rather than a simulation of Apple's own format.
- ✓ Free mock interview built from your resume and the job description
- ✓ Desktop Interview Copilot for live interviews, where the rules allow it
- ✓ Behavioral practice with feedback on structure and specifics
- ✓ System design practice with follow-up questions
Frequently Asked Questions
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