Flicker Meter for Light vs CineMath

Suffering from eye strain, headaches, or migraines from LED lights and screens? You're not alone. Many LED lights, screens, and fluorescent lights flicker at high frequencies invisible to the naked eye, yet capable of causing headaches, eye strain, fatigue, and other symptoms. This app helps you identify which light sources and screens are flickering, measure the intensity, and find flicker-free alternatives for your health and comfort. FEATURED IN COMPUTER ACTIVE MAGAZINE Computer Active recommends this app for detecting headache-inducing flicker. KEY FEATURES • Detect invisible high-frequency flickering in LED lamps, screens, and fluorescent lights • Measure flicker intensity in percentage • Measure flicker frequency in Hz • Identify flicker-free light sources • Easy-to-use interface with instant results HEALTH BENEFITS • Reduce eye strain and fatigue • Minimize headaches and migraines • Create a more comfortable work environment • Make informed decisions about lighting purchases PERFECT FOR • Office workers spending long hours under artificial lighting • People sensitive to light flicker • Anyone experiencing unexplained headaches or eye strain • Professionals evaluating workplace lighting • Bird owners monitoring aviary lighting (birds are highly sensitive to flicker) Full support for 40 languages with integrated documentation. Privacy Policy: https://flicker-meter.contechity.com/pp.html End User License Agreement: https://flicker-meter.contechity.com/eula.html Got questions or feature requests? Email me at apps@contechity.com — I'll personally respond. Download Flicker Meter today and take control of your lighting environment for better health and comfort!

CineMath is the professional calculator suite designed specifically for filmmakers, video editors, and production professionals. Twelve essential tools with frame-accurate precision and intuitive modern design. PROFESSIONAL CALCULATIONS: • Speed Percentage - Calculate frame rate conversion percentages with precision • Target Length - Determine clip length adjustments for perfect timing • Target Bitrate - Calculate optimal compression settings for any file size • Upload Time - Estimate transfer times for large video files • Time to Data - Convert runtime to storage requirements • Data to Time - Calculate maximum runtime from available storage • Time to Film - Calculate required film stock from recording time • Film to Time - Calculate recording time from available film stock • Aspect Ratio - Professional resolution and ratio calculations with smart pixel rounding • Timecode Calculator - Add, subtract, multiply, and divide timecodes • Timecode to Frames - Convert timecode to precise frame counts • Frames to Timecode - Convert frame counts to timecode values PROFESSIONAL FEATURES: • Frame-accurate calculations for 23.976, 24, 25, 29.97, 30, 50, 59.94, 60 fps and custom rates • Film format support: Super 8mm, Super 16mm, Super 35mm, 65mm, and IMAX • Smart Pixel Rounding Engine - Automatically rounds to broadcast standards and encoding-compatible values • Calculation History with advanced search and organization (Premium) • Professional Sharing - Export calculations as formatted text (Premium) • Bulk Operations - Select and share multiple calculations at once (Premium) • Dark and light mode support with professional design • Offline operation - no internet required • Universal app supporting iPhone, iPad, and Mac (Catalyst) • Professional precision for demanding workflows PERFECT FOR: • Film and video editors • Post-production professionals • Cinematographers and directors • Analog film production planners • Content creators and YouTubers • Broadcast engineers • Film students and educators • Anyone working with video timecode and technical specifications CineMath eliminates guesswork with precision calculations trusted by professionals. Download free and upgrade to CineMath Professional for advanced features. Privacy-focused: All calculations performed locally on your device.