Naily
Quit the bite
Naily launched on March 23, 2026.
What it does
Quit the bite with private, on-device detection with no video uploads and real-time nail-biting alerts on your desktop.
Private, on-device detection with no video uploads. Real-time nail-biting alerts on your desktop. We bite our nails when we are stressed, bored, or deep in flow. You don't even realize you're doing it until it hurts. Bitter polish is annoying, and mobile apps don't work when your hands are on the keyboard. Naily acts as your silent partner, nudging you only when you need it. Naily uses advanced computer vision to detect when your hand moves toward your mouth in real-time. The AI model runs entirely on your device, analyzing your webcam feed without ever recording or storing video. Get instant alerts the moment you're about to bite, giving you the awareness you need to stop the habit.…from getnaily.com
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- SNStop nail-biting with your MacBook's webcam2023 · handsdown.kianpak.com · ▲21
Hey HN! I made this app because I bite my nails way too much while I code It uses Mac's Vision library to track the location of your hands and mouth via the webcam. Then when it catches you biting, it temporarily covers your screen with a big obnoxious warning. You have to stop biting if you want to continue seeing anything. It's helped me a lot, so I hope it can help other nail-biters here :)
A desktop app that blocks work when you bite your nailsJan 2026 · github.com · ▲16Saw this repo: https://github.com/tldev/posturr and wanted to share my solution to avoid nail biting :)
stopnailbiting.app2025 · stopnailbiting.app · ▲6I recently switched from hybrid home office to being fully remote. I realized I'd developed a new habit: biting my nails, something I never did in the office. I've built a small utility app that lives in your macOS menu bar and uses the webcam to detect when you start biting your nails or touching your face. All processing happens on-device, and no data ever leaves it. Detection's frames per second and some overlay styles can be customized.
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