Your jaw works harder than you think — and Masseter helps you notice.
Bruxism affects up to 31% of adults. Jaw clenching, teeth grinding, and TMJ tension often go unnoticed until the damage is done: headaches, worn enamel, chronic pain, disrupted sleep.
Masseter is a science-backed awareness tool that uses Ecological Momentary Assessment (EMA) — the gold standard in behavioral research — to help you catch clenching in real time, build mindful habits, and reduce jaw tension over time.
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HOW IT WORKS
- SMART REMINDERS — Random check-ins throughout your active hours. No predictable patterns. Based on the same stratified-random sampling used in clinical studies.
- ONE-TAP CHECK-IN — When prompted, simply log whether you're Relaxed, In Contact, Clenching, or Bracing. Takes 2 seconds.
- TENSION INDEX — See your daily jaw tension score on a beautiful radial gauge. Track progress over days and weeks.
- CONTEXT TAGS — Tag what you're doing when you clench (work, commute, sleep). Discover your personal triggers.
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INSIGHTS THAT MATTER
- Hourly tension heatmaps — see when you clench most
- Day-of-week analysis — discover your worst days
- Context correlations — find which activities drive tension
- 30-day trend charts — watch your progress unfold
- Peak tension alerts — identify your danger zones
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LEARN & UNDERSTAND
4 in-depth articles written in plain language:
- The Masseter Muscle — physiology of jaw tension
- The Spot Technique — awareness building method
- Relief Protocol — acute pain management
- Sleep Hygiene — nighttime bruxism strategies
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DESIGNED FOR YOUR LIFE
- Apple Watch — check in from your wrist
- Home Screen Widget — one-tap logging without opening the app
- Quick Actions — fast shortcuts for instant check-ins
- Lock Screen Notifications — respond directly from the notification
- iCloud Sync — seamless data across all your devices
- Baseline Pain Assessment — track jaw, temple, and neck pain over time
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PRIVACY FIRST
Your jaw data stays on YOUR device. No accounts required. No data sold. Optional iCloud sync is encrypted end to end. See our privacy policy for details.
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WHO IS MASSETER FOR?
- People diagnosed with bruxism or TMJ disorder
- Anyone who catches themselves clenching during stress
- Night guard users who want daytime awareness
- Dental patients tracking jaw habits between appointments
- Anyone experiencing jaw pain, headaches, or facial tension
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Masseter doesn't replace your dentist — it gives you the data to have a better conversation with them.
Download Masseter and start building jaw awareness today.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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MASSETER PRO
Start your personalized Jaw Reset with guided check-ins, coach insights, dentist-ready reports, and annual plan options.
JAW RESET
Use 7 days of tiny check-ins to spot tension windows, morning symptoms, and relief routines that actually help.
DENTIST-READY REPORTS
Export 14- or 30-day PDFs with patterns, symptoms, rescue sessions, and questions for your next appointment.
ALSO NEW
• Cleaner onboarding focused on your goal
• Relief feedback after exercises and rescue sessions
• Smarter report period selection
• Performance and stability improvements
