Light Teller vs Lux & Flicker Meter

"Light Teller" is an intelligent application that utilizes the smartphone camera to test the brightness of the environment, helping parents determine whether the lighting in their children's study environment is sufficient. Specifically designed for parents with young children, we understand the importance of protecting their eyes during their developmental stages. Therefore, we pay special attention to the impact of lighting on daily eye health and strive to create an optimal learning environment that reduces the risk of myopia. The key advantage of "Light Teller" lies in providing detailed usage instructions and a reference for brightness, enabling you to easily understand and optimize your children's study environment. Key Features: 1. Brightness Testing: Utilize the smartphone camera to quickly and accurately measure the brightness level of the environment, providing reliable reference values for parents. 2. Light Health Guide: Provide parents with educational information about brightness, helping them create a comfortable learning environment for their children. 3. User Instructions: Clear and user-friendly interface and instructions enable parents to quickly get started, operate correctly, and interpret the results of brightness testing. Key Highlights: - Accurate and Reliable: Utilize advanced brightness measurement algorithms to ensure accurate and reliable test results. - Simple and User-Friendly: Designed with a user-friendly interface, allowing you to easily conduct brightness testing without requiring specialized knowledge or equipment. - Illuminating Knowledge: Offer a rich collection of educational articles to deepen parents' understanding of the importance of light and its impact on visual health.(TBD) Whether you are prioritizing your children's eye health or seeking a deeper understanding of the importance of light, "Light Teller" is the ideal choice for you. Please note: This application solely provides brightness testing and educational knowledge sharing. It does not diagnose any environment or offer medical advice.

Light Meter Assistant is a utility app that turns your phone into a light environment tester. Whether you're choosing a desk lamp for your child, evaluating workstation lighting, or checking whether your screen or bedside lamp is emitting proper light, just open the app, point it at the light source, and get a readable light environment report in seconds. 【Core Detection Capabilities】 Flicker Detection: Captures brightness variations at high speed via the camera, performs spectrum analysis, and outputs flicker index, modulation depth, dominant frequency, and light environment risk level, revealing invisible light fluctuations to the naked eye. Illuminance Estimation: Estimates the ambient illuminance range based on scene brightness, telling you whether the current light is suitable for reading, working, or nighttime relaxation. Color Temperature Estimation: Identifies warm, neutral, or cool light tendencies to help you choose fixtures that better fit the scene. Comprehensive Light Environment Score: Combines flicker, illuminance, and color temperature metrics to give a holistic score from 0 to 100 along with actionable suggestions. 【Data Management & Tracking】 History records are automatically grouped by date, with support for tagging different light sources (desk lamp, living room ceiling light, bedroom night light, etc.) for easy categorization. Data dashboard aggregates the last 30 days of test data, presenting score trend curves, risk level distribution, and flicker index distribution for an intuitive view of light environment changes. Light source environment profiles build individual trend charts for each tag, enabling long-term tracking of the same lamp's performance. One‑tap export of PDF reports and CSV data for archiving, sharing, or discussion with family and friends. 【Thoughtful Details】 Smart eye care reminders: Customize rest intervals and daily reminder times to help you build healthy resting habits. Multi‑language support: Simplified Chinese, Traditional Chinese, English. Theme modes: Day, Night, and Follow System – freely switch among three appearances. Adjustable camera parameters: Preferred frame rate, measurement duration, and auto‑save can all be set as needed. All detection is performed locally, and data stays on your device – no upload to servers. 【Use Cases】 Quick on‑site screening before selecting desk lamps, floor lamps, or ceiling lights Evaluating whether lighting in studies, classrooms, or offices meets standards Families concerned about children's study environments and elderly living area lighting Users who care about screen flicker and the effect of nighttime light on sleep Advanced users who need to record and compare long‑term performance across multiple light sources 【How to Use】 Open the app and tap "Start Test" on the home page. Point the camera at the light source or screen you want to test. Keep it steady for a few seconds while the capture completes. Review the conclusion card, professional parameters, waveform chart, and spectrum graph. Add notes and light source tags to the record, or export a PDF report. Target Users: Parents concerned about their children's study light environment Office workers and students who spend long hours at desks, working or reading Consumers looking to buy desk lamps or screen bars Professionals such as interior designers and lighting consultants Photographers and video creators who demand high light quality Disclaimer: This app is a consumer‑grade light environment screening tool. Results are for reference only and cannot replace professional testing instruments. Illuminance estimation accuracy is approximately ±15‑20%, color temperature estimation accuracy is about ±5%, and it can detect periodic flicker with a modulation depth above 3%. Camera parameters vary by phone model, so results may differ. Take control of your light environment – make every lamp more trustworthy.