NailFree

NailFree uses proven Habit Reversal Training (HRT) — the same behavioral therapy used by therapists — to help you stop biting your nails for good.

Most nail-biting apps only track streaks. NailFree changes your behavior. HRT works by building awareness of when and why you bite, then replacing the habit with a competing response before it starts. Clinical studies show a 90%+ success rate.

WHAT MAKES NAILFREE DIFFERENT

• Evidence-based approach: HRT is the gold standard treatment for body-focused repetitive behaviors • Personalized identity work: shift how you see yourself, not just what you do • 60-second urge interception: tap a button when an urge hits and follow a quick competing response — each time you resist, your brain rewires • Daily science: short facts about nail growth and habit formation to keep motivation grounded • Streak tracking with milestones: visual ring progress, milestone unlocks, and grace days so one slip doesn't erase your work • Nail defense tracker: log when you file and apply bitter polish — the two physical barriers shown to reduce biting • Progress photos: weekly nail photos help you see the growth and keep you motivated • Apple Watch app: check your streak, tap "Caught It" the moment awareness hits, and get haptic check-in reminders throughout the day — all from your wrist

BUILT ON REAL SCIENCE Habit Reversal Training was developed by psychologists and validated in peer-reviewed studies as one of the most effective treatments for nail biting and similar habits.

Nail biting affects 1 in 4 adults. Most know they do it. Few know how to stop. NailFree gives you the tools that actually work.