Nailwell – Break nail biting with science-backed Habit Reversal Training

Summary: Nailwell is a self-guided app that applies Habit Reversal Training (HRT), an evidence-based therapy with over 80% success rates, to help users stop nail biting. It offers a 12-week structured program, progress tracking with photos, trigger logging, and gamification, all while maintaining full privacy by operating offline.

What it does

Nailwell delivers a 12-week HRT curriculum including awareness training and competing responses, tracks progress through photo comparisons, logs triggers and moods with visual analytics, and uses gamification elements like XP and badges to support habit change.

Who it's for

It is designed for individuals seeking an affordable, private, and structured method to overcome chronic nail biting without therapist sessions.

Why it matters

Nailwell provides an accessible alternative to costly HRT therapy by enabling effective self-guided treatment with proven clinical success rates.