IB Offer is an AI interview coach for investment banking and competitive finance roles. Practice real technical questions across accounting, EV and equity value, valuation and comps, DCF, LBO, M&A accretion, markets and brainteasers, restructuring, and behavioral interviews. Every answer is AI-graded with specific feedback and model answers to compare against, plus Ask IB coaching for follow-ups. Includes 35 sourced firm guides and free tools: a mental math trainer and a DCF checker. Free tier with no card required; Pro $19/month, $39/quarter, $99/year.