Habit Reversal Training

Finally
free from
nail biting

A science-backed program that trains your brain to break the cycle — one small step at a time.

Download on the App Store Free to download · iPhone only
Welcome screen
Who are you becoming screen
Program overview screen
HRT clinically proven behavioral therapy
21 days average to form a new habit
Free to download on iPhone

Built on science,
designed for you

Habit Reversal Training (HRT) is a clinically proven behavioral therapy used by psychologists worldwide.

1

Identify your triggers

Discover what situations, emotions, and environments spark your nail biting habit. Awareness is the first step to change.

2

Build competing responses

Replace biting with positive alternative behaviors. Your brain learns to redirect the urge into healthy actions.

3

Track your wins

Log urges, celebrate streaks, and watch your habit dissolve over time with detailed progress insights.

4

Stay motivated

Smart reminders, milestone celebrations, and a structured program keep you on track for lasting change.

Trigger identification screen
Competing response screen

Everything you need
to break free

📈

Progress Tracking

Visual charts and streaks show exactly how far you've come. Every urge resisted is a win worth celebrating.

🔔

Smart Reminders

Gentle nudges at the right times keep your training on track without feeling intrusive.

🧘

Urge Surfing

Learn to ride out urges without acting on them. A crucial skill for lasting habit change.

📖

Daily Exercises

Structured HRT exercises that take just minutes a day and build your mental toolkit over time.

🎯

Trigger Mapping

Identify the emotions, situations, and environments that trigger your habit — then plan around them.

🔒

100% Private

All your data stays on your device. No account required. No data collected. Ever.

People just like you
found their freedom

★★★★★

"I've bitten my nails my entire life. After two weeks with NailFree, my nails are longer than they've ever been."

👩
Sarah M.
Using NailFree for 3 weeks
★★★★★

"The trigger identification changed everything. I had no idea how much stress was driving my habit. This app helped me see it."

👨
James T.
30-day streak achieved
★★★★★

"Finally an app that explains the 'why' behind habits. The science-backed approach made it click for me in a way nothing else has."

👩
Rachel K.
Nail biting free for 6 weeks

Get Started

Your nails.
Beautiful.
Starting now.

Download NailFree free and start your first habit reversal session today.

Download Free on iPhone

Free to download · NailFree Pro available for advanced features