FlickerSense vs Eye Rest Reminder

FlickerSense turns your iPhone into a professional light analyzer. Detect invisible flicker, measure brightness, and check color temperature — all in seconds. Many artificial lights flicker at frequencies invisible to the eye but potentially harmful to your health. FlickerSense uses 240 FPS camera technology to detect flicker up to 120 Hz, helping you identify problematic lighting anywhere you spend time. ▸ DETECT INVISIBLE FLICKER • Measure flicker frequency up to 120 Hz • Detect 100 Hz (50 Hz AC) and 120 Hz (60 Hz AC) flicker • See flicker intensity percentage • Identify potentially problematic lights ▸ MEASURE LIGHT QUALITY • Brightness in lux • Color temperature in Kelvin • Melanopic blue light analysis (Premium) • Personalized recommendations ▸ EASY TO USE • Point your camera at any light source • Get instant, detailed results • Standard or high-precision modes • No account required — works offline ▸ PRIVACY FIRST • All data stays on your device • Camera never recorded or stored • No tracking or advertising ▸ FREE FEATURES • Unlimited scans • Flicker, brightness & color temperature • 7-day scan history • Optional research contribution ▸ PREMIUM FEATURES • Unlimited history + iCloud sync • Trends & analytics with charts • Locations with GPS mapping • Workplace compliance (EN 12464-1, OSHA, WELL) • Before/after scan comparisons • Export as CSV or PDF • Smart recommendations WHY CHECK YOUR LIGHTS? Flickering lights can cause headaches, migraines, eye strain, and difficulty concentrating. Common sources include LED bulbs, fluorescent tubes, dimmable lights, and cheap LED products. WHO IS FLICKERSENSE FOR? • People with eye strain or headaches at work • Those with migraines or photosensitivity • People with autism, ADHD, or sensory sensitivity • Parents, office workers, designers • Lighting professionals TECHNICAL DETAILS • 240 FPS capture for precise measurements • 120 Hz detection limit (Nyquist frequency) • FFT analysis for accurate frequency detection DISCLAIMER FlickerSense is not a medical device. Results are estimates based on camera analysis. Consult healthcare professionals for medical concerns. support@ephyrtech.com https://landing.ephyrtech.com/privacy-policy/ https://landing.ephyrtech.com/terms-of-use/

Eye Rest Reminder is the simplest way to protect your eyes from screen fatigue—and actually stick with it. Staring at a screen all day leads to eye strain, headaches, and blurry vision. The fix is simple: every 20 minutes, look 20 feet away for 20 seconds. That's the 20-20-20 rule—and Eye Rest Reminder makes it effortless. - Get a gentle nudge to rest your eyes, timed to your day - Take a guided 20-second break with a calm on-screen timer - Build a daily streak and keep it alive with streak shields - Earn 47 achievements and level up as your eye-care habit grows - Take on rotating challenges that keep things fresh - See your progress, levels, and history at a glance on the Progress tab - Start a rest right from your Apple Watch, and check your next break on your wrist Everything runs on your device—no accounts, no data collection, no ads. That's it. A minute to set up, and your eyes get the breaks they need throughout the day. Questions or ideas? Hit the contact link in Settings and I'll get back to you fast. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://makerbox.notion.site/Eye-Rest-Reminder-Privacy-Policy-2f8d30b69c44812cbba8dd106204f21d