Flicker Meter for Light vs Light Teller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flicker Meter for Light
Detect and measure invisible high-frequency flickering in LED lights and screens that can cause eye strain and headaches. Find flicker-free alternatives to improve your comfort and health.
- Detect invisible high-frequency flickering
- Measure flicker intensity (%)
- Measure flicker frequency (Hz)
- Identify flicker-free light sources
- Easy-to-use interface
- Instant results
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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!
Light Teller
This app uses your smartphone camera to measure ambient light levels, helping parents ensure their children's study spaces have adequate lighting to protect their vision and reduce myopia risk. It offers clear instructions and educational content on light's impact on eye health.
- Brightness testing with smartphone camera
- Light health guidance for parents
- Detailed user instructions
- Accurate and reliable measurements
- Educational articles on visual health
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"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.
Screenshots
Verdict
The clearest difference is rating: Light Teller at 5.0 against Flicker Meter for Light's 4.6. Flicker Meter for Light's advantage is ratings volume (47 vs 1) and update cadence (every 2 months vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Flicker Meter for Light sells 3 in-app purchases, starting at $0.99 per month and Light Teller sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Light Teller holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Flicker Meter for Light has 47 ratings behind it against 1, so its average is the more settled of the two.
Flicker Meter for Light ships an update every 2 months, Light Teller every 5 months. The most recent releases landed on September 26, 2026 and September 20, 2026 respectively.
| Parameter | Flicker Meter for Light | Light Teller |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (47 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 59.3% of reviews | — |
| Number of ratings | 47 — better | 1 |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.1 |
| Further details — not scored | ||
| Size | 43 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Contechity AB | 佳佳 陶 |
Customer experience
Flicker Meter for Light
Light Teller
In-app purchases
Flicker Meter for Light
- Full access14 Days trial$0.991 Month
- Full access$4.991 Year
- Full access2 variants$6.99
Light Teller
- 3 Months Access$1.99
- 1 Year Access$4.99
Questions
Is Flicker Meter for Light free?
Is Light Teller free?
Which has better reviews, Flicker Meter for Light or Light Teller?
Do Flicker Meter for Light or Light Teller have ads?
Which is updated more often, Flicker Meter for Light or Light Teller?
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