New in 4.2 — your progress, visualized: • New Progress tab: accuracy trend against the 80% pass mark, topic mastery, learning status and an activity calendar • Badges moved into your profile — more room for your statistics • All 390 questions revised: wrong answers are now as detailed as the correct one, so answer length no longer gives it away • Minor improvements and bug fixes

New in 4.1 — the badge collection: • 22 embossed medals in the new Badges tab — your progress at a glance • Tap an unlocked badge for a reward card with a tilt & gloss effect • Streaks, volume and records — every medal tells your progress • Minor improvements and bug fixes

Scuba Trainer 4.0 — completely new: • Almost 400 fact-checked questions in 12 topic areas — from equipment and physics to Open Water, night diving, deep diving and scooter (DPV) • Exam mode across core theory + a dedicated test for every topic • Adaptive learning mode: misses come back sooner, mastered questions less often — you pick how much time you have • Logbook: every test like a dive log, with question-by-question review (Premium) • Personal learning plan: goal, weekly target and reminders in the new onboarding • Pause a test and pick up later exactly where you left off • New deep-ocean design, daily streak with freeze days and 22 badges • Fully bilingual (EN/DE) — Premium unlocks evaluations, learning mode and logbook details

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