Apple vs Grammarly Interview Questions
Apple lists 300 LeetCode interview questions while Grammarly lists 30. They share 15 problems — 5% of Apple's bank and 50% of Grammarly's. Focus on the overlap first, then drill into 285 Apple-only and 15 Grammarly-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 15 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Grammarly.
Step 2 — Company-specific depth: Add Apple-specific problems like LRU Cache, Two Sum, Best Time to Buy and Sell Stock and Grammarly-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Apple skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
15 Shared Questions
High-priority problems to practice for both Apple and Grammarly.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Trapping Rain Water | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Climbing Stairs | Easy |
| Word Break | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Sqrt(x) | Easy |
| Generate Parentheses | Medium |
| Remove All Adjacent Duplicates In String | Easy |
| Search in Rotated Sorted Array | Medium |
| Word Search | Medium |
| Evaluate Reverse Polish Notation | Medium |
| Logger Rate Limiter | Easy |
| Non-overlapping Intervals | Medium |
Unique to Apple (285)
Problems in Apple's list that do not appear at Grammarly.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Design Hit Counter | Medium |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Reverse Linked List | Easy |
| Valid Sudoku | Medium |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
Unique to Grammarly (15)
Problems in Grammarly's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Grammarly share?
Apple and Grammarly share 15 LeetCode interview questions. 285 problems appear only in Apple's list and 15 appear only in Grammarly's list.
What topics overlap most between Apple and Grammarly?
The most common shared topics between Apple and Grammarly are Array (9 shared questions), Dynamic Programming (5 shared questions), String (5 shared questions), Hash Table (4 shared questions), Math (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Grammarly?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. Apple has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Grammarly?
Start with the 15 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 15 Grammarly-specific questions to round out your prep.