Master the NeetCode 150 with flashcards, quizzes, and spaced review. All on your device, all yours.
Having an issue or want to share feedback? We're here to help.
LeetGrind is an iOS app that helps you master the NeetCode 150 — the essential set of data structures and algorithm problems — through flashcards, quizzes, and spaced review.
LeetGrind offers a free tier with 2 problems per category. A one-time $1.99 purchase unlocks all 150 problems, all quizzes, and all future updates. No subscription, no ads.
Go to Settings → Purchase → "Restore Purchase". This will check your Apple ID for any previous purchases and unlock the app.
No. All data is stored locally on your device using SwiftData. We don't collect any personal information, analytics, or usage data. Your progress is entirely private.
Yes. LeetGrind runs natively on iPhone and iPad.
Use the in-app "Report a Bug" feature in Settings → Support. It automatically attaches diagnostic logs. You can also email us directly at sriujjwalreddy@icloud.com.
Problem data is derived from the open-source NeetCode 150 roadmap by neetcode-gh, licensed under the MIT License. LeetGrind provides original educational explanations and solutions.
LeetGrind does not collect, transmit, or share any personal data. There are no analytics SDKs, no tracking pixels, and no third-party services. Your progress, settings, and activity are stored locally in your device's app sandbox and are never accessible to us or anyone else.
LeetGrind does not require sign-in, registration, or an Apple ID (beyond the App Store purchase). There is no user profile and no data to delete because we never have it.
Problem data derived from the NeetCode 150 roadmap.
Copyright © 2022 neetcode-gh · MIT License.