Codewise vs Faraday

Codewise is the fastest way to go from zero to coding confidence — right from your iPhone, iPad, or Mac. Pick a language and start writing real code immediately. No fluff, no lengthy video lectures, no subscription. Just hands-on challenges that teach you the fundamentals through practice. LANGUAGES • Python • Swift • JavaScript • Java • Kotlin • C# • SQL (PostgreSQL) FEATURES • 280+ bite-sized challenges with instant feedback — write code, run it, see the result • Structured learning paths — Intro to Programming, Language Basics, Object-Oriented Programming, and Functional Programming • Functional programming in C# — lambdas, Func and Action delegates, closures, and LINQ pipelines with Where, Select, OrderBy, and Aggregate (new in 1.3) • Built-in code editor with syntax highlighting and live error hints for every language • Code runs on your device, fully offline — no account, no ads, no data collection • SQL challenges show results exactly like the psql tool, so what you learn transfers to real databases • Progress syncs across iPhone, iPad, and Mac with iCloud ONE PURCHASE, EVERY DEVICE Codewise is a one-time purchase. Buy it once and use it on iPhone, iPad, and Mac — no recurring fees, ever. Whether you're brand new to programming, preparing for an interview, or brushing up on a new language, Codewise meets you where you are and helps you level up one challenge at a time.

Master STEM one lesson at a time. Faraday makes studying something you actually want to do. Short, game-style lessons. Instant feedback. Progress you can watch happen. No wall of PDFs, no lecture videos, no account to create. Pick from 64 courses across maths, science, engineering and computing. Every lesson pairs a focused teaching segment with practice questions, and every question comes with a full worked solution, so you find out why you got it wrong while it still matters. Build a streak. Earn XP. Unlock achievements. Spend your gems. Come back tomorrow because you want to, not because you ought to. WHAT YOU CAN LEARN Calculus, Algebra, Geometry and Linear Algebra. Physics, Chemistry, Biology and Astronomy. Machine Learning, Cybersecurity, Databases and Operating Systems. Economics, Personal Finance, Psychology and Rocketry. Plus AP, SAT and GRE preparation, and full PE Power and FE Electrical & Computer licensure prep with timed, per-area mock exams. Switch courses whenever you like. WHAT YOU GET • 13,000+ practice questions across 64 courses and 522 knowledge areas • Step-by-step worked solutions, with formulas rendered properly • Full-length timed mock exams with per-area score breakdowns (engineering courses) • Smart review that brings missed questions back on a spaced schedule • Streaks, streak freezes, daily goals, XP, achievements and gems • Progress tracked for every knowledge area WORKS ANYWHERE Everything lives on your device. No account, no sign-in, no internet after install, no ads, no tracking. Study on a plane, on the train, in a basement lab with no signal. Your progress never leaves your phone. ONE PURCHASE, NOT A SUBSCRIPTION Start free, then unlock the whole catalogue once. No monthly bill, ever. Faraday is an independent study aid and is not affiliated with, authorized, sponsored or endorsed by NCEES, the College Board, or ETS. Exam names are used only to describe the exams this material helps you prepare for.