Job Interview Prep & Coding

Coding interviews are not a memory test. They are a test of whether you can explain why one correct answer beats another correct answer. Interview Prep is built around exactly that moment. Before you agree to anything, the app shows you what it means. One real question — Two Sum — and two solutions that both work: check every pair, or remember what you have already seen. They run side by side on the same 64 numbers, with every comparison and every lookup counted as it happens. Same answer. Sixteen times the work. That is the difference an interviewer is listening for, and now you have watched it. WHAT'S INSIDE • A question every day — read it, think, reveal the answer, and keep your streak alive. Free, every day, no account needed to start. • Interactive lessons that build the patterns behind the questions: arrays and hashing, two pointers and sliding windows, binary search, stacks and queues, trees and graphs, dynamic programming, SQL joins and indexes, first-round system design, and structured behavioural answers. • An AI mentor you can ask anything, in plain language, whenever a concept refuses to click. • Mini quizzes and flashcard review to turn "I read it" into "I can recall it". • Save any question, keep notes on any lesson, and browse cheatsheets and worked examples. • Streaks and XP that reward showing up daily, which is the only study schedule that survives a real job. HOW IT IS DIFFERENT • Complexity is shown, not asserted. Where the app says an approach costs more, the number comes from running it. • No ads. Not in the free version either — this app never shows a banner, an interstitial or a rewarded video. • Built for the commute, the queue and the ten minutes before a stand-up. Short sessions, one question at a time. • Available in 22 languages. FREE AND PRO Get started for free: the daily question is free every day, the first course is free in full, and the AI mentor answers a few questions a day at no cost. Interview Prep Pro unlocks the rest of the pattern library, every lesson in every course, and unlimited AI mentor answers. It is a subscription you can manage or cancel at any time from your device's account settings; it renews automatically unless cancelled at least 24 hours before the period ends. We take your privacy seriously. Read our full privacy policy at https://coddykit.com/terms/privacy-policy before subscribing, and review our Terms of Use below. By downloading this app you agree to both. Your next interview is going to ask you why. Come in with the answer. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://coddykit.com/terms/privacy-policy