Apple vs Roblox Interview Questions
Apple lists 300 LeetCode interview questions while Roblox lists 56. They share 28 problems — 9% of Apple's bank and 50% of Roblox's. Focus on the overlap first, then drill into 272 Apple-only and 28 Roblox-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 28 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Roblox.
Step 2 — Company-specific depth: Add Apple-specific problems like LRU Cache, Number of Islands, Best Time to Buy and Sell Stock and Roblox-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Roblox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
28 Shared Questions
High-priority problems to practice for both Apple and Roblox.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Intervals | Medium |
| Design Hit Counter | Medium |
| Longest Common Prefix | Easy |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Rotate Image | Medium |
| Spiral Matrix | Medium |
| Trapping Rain Water | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Longest Consecutive Sequence | Medium |
| Task Scheduler | Medium |
| Integer to English Words | Hard |
| Text Justification | Hard |
| Sliding Window Maximum | Hard |
| Rotting Oranges | Medium |
| Design Memory Allocator | Medium |
| Largest Rectangle in Histogram | Hard |
| Random Pick with Weight | Medium |
| Employee Free Time | Hard |
| Logger Rate Limiter | Easy |
| Design Browser History | Medium |
| Maximize Distance to Closest Person | Medium |
| Image Smoother | Easy |
| Number of Recent Calls | Easy |
Unique to Apple (272)
Problems in Apple's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Rotate Array | Medium |
| Reverse Linked List | Easy |
| Valid Sudoku | Medium |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Product of Array Except Self | Medium |
| Valid Palindrome | Easy |
| Reverse Words in a String | Medium |
| Kth Largest Element in an Array | Medium |
Unique to Roblox (28)
Problems in Roblox's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Roblox share?
Apple and Roblox share 28 LeetCode interview questions. 272 problems appear only in Apple's list and 28 appear only in Roblox's list.
What topics overlap most between Apple and Roblox?
The most common shared topics between Apple and Roblox are Array (20 shared questions), Hash Table (8 shared questions), Design (7 shared questions), String (6 shared questions), Data Stream (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Roblox?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Roblox has 8 Easy, 35 Medium, and 13 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Roblox?
Start with the 28 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 Roblox-specific questions to round out your prep.