7 Mac Apps for Developers Preparing for Technical Interviews in 2026

Whether you're grinding LeetCode, rehearsing system design, or just trying to stay sharp between rounds, your environment matters. The right tools can cut friction so you focus on what counts: nailing the interview. Here are 7 Mac apps that helped me (and developers I know) get through interview prep without losing our minds. 1. Raycast — Your Command Center Raycast replaces Spotlight with something actually useful for developers. During interview prep, I used it constantly — quick calculator for Big-O comparisons, clipboard history for pasting code snippets between windows, and instant window tiling so I could have my IDE and a problem statement side by side. The snippet expansion feature is great for saving common algorithm templates. Price: Free (Pro $8/mo) 2. Obsidian — Your Second Brain for Patterns Obsidian is a local-first markdown note-taking app with bidirectional linking. I built an entire graph of algorithm patterns — linked "sliding window" to "two pointers" to "hash map tr