Readiness trend, progress bars, wrong-answer review, and weak-domain coverage

Auto-queue every miss for targeted recovery instead of losing it after one attempt

Quick recall decks for facts, terms, formulas, and repeated weak spots

Visual topic maps so harder objectives stop feeling scattered

Guided topic walkthroughs for sections that still feel slow or confusing

The rest of the Certbie catalog stays visibly locked beside the free lane

More depth across major vendors and long-tail niche certification tracks

Longer timed practice sessions designed to feel much closer to the paid prep flow