NailFree
Jason Culbertson Health & Fitness iPhoneiPadiPod touchApple Watch
NailFree is a free Health & Fitness app for iPhone and iPad by Jason Culbertson. Rated 5.0/5 from 1 ratings. Requires iOS 17.0. Updated May 23, 2026.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 3 MB
- Age 4+
- Updated
- May 23
- 2026 · v1.4
Screenshots
About 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.
What’s new
Version 1.4 · Updated May 23, 2026
• Apple Watch app: Track urges and log nail-biting directly from your wrist • Bug fixes and performance improvements
App privacy
The developer, Jason Culbertson, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to NailFree
Looking for apps like NailFree? Here are 6 similar apps on the App Store. The highest rated is Pula — Trichotillomania Help (4.8/5), and all 6 are free to download.
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NailBite - Stop Nail Biting
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NailFree: Stop Nail Biting
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Rainbow Habits
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Forge: Stop Picking & Biting
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NailPause: Stop Nail Biting
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Pula — Trichotillomania Help
4.8
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| NailFree | 5.0 / 5 (1 rating) | Free | May 23, 2026 | |
| NailBite - Stop Nail Biting | – | Free | Jul 12, 2026 | Compare |
| NailFree: Stop Nail Biting | – | Free | Jul 16, 2026 | Compare |
| Rainbow Habits | – | Free | Jun 22, 2026 | Compare |
| Forge: Stop Picking & Biting | – | Free | Jul 7, 2026 | Compare |
| NailPause: Stop Nail Biting | – | Free | Sep 13, 2026 | Compare |
| Pula — Trichotillomania Help | 4.8 / 5 (10) | Free | Sep 8, 2026 | Compare |
Compare NailFree with the top alternatives: ratings, updates, ASO score and keyword gaps →