Comparison

Light Teller vs Light Meter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Brightness testing with smartphone camera
  • Light health guidance for parents
  • Detailed user instructions
  • Accurate and reliable measurements
  • Educational articles on visual health
Read full description

"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.

About

Light Meter

This tool precisely measures light intensity in Lux and Footcandles, offering data for photography, plant care, and environmental analysis. It provides photography recommendations and generates data reports for various applications.

Highlights
  • Multi-mode metering system
  • Real-time color temperature capture
  • Photography decision engine
  • Plant cultivation light monitoring
  • Space optimization analysis
  • Data report generation
Features
Read full description

This is a high-precision light measurement tool that combines professional metering technology with cross scene adaptation capabilities, providing data support for photography creation, plant research, and environmental optimization. Core functional architecture • Multi mode metering system - Real time capture of color temperature changes and synchronized display of dual unit values of Lux and Fc, supporting dynamic average and peak recording • Photography Decision Engine - Based on ambient light intensity, it intelligently recommends shutter speed, ISO, and aperture combinations, allowing manual adjustment of parameters to achieve personalized exposure control Cross disciplinary analysis tools *Plant cultivation: Monitoring photosynthetically active radiation to ensure optimal growth light conditions *Space optimization: Diagnosing office/home lighting environments and preventing visual fatigue Technical characteristics and value √ Adopting multi-sensor collaborative algorithm, with an error rate lower than industry standards √ Portable use on mobile devices, replacing traditional professional equipment to reduce costs √ Generate data reports and support customized archiving of lighting schemes Redefining the Dimension of Light Control from Lens to Leaves "- Recommended Tool for Photography and Plant Science in 2025 1. Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of the purchase 2. Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period 3. Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID", enter the "Account Settings" page, click on "Subscription", and select "Cancel Subscription" 4. Privacy Agreement and Service Terms: https://docs.google.com/document/d/1nONXGfXZcKQ6xEDwxsVuXdxZGoxmut4_i64fmeCuWhE 5. Terms of Use: https://docs.google.com/document/d/1TpnftZ9iV5KYd_4xqYNkfYs-8Zt9nWXMU_UHLMbype8

Screenshots

Light Teller3 screens
Light Meter4 screens

Verdict

The call

The clearest difference is rating: Light Teller at 5.0 against Light Meter's 3.0. Light Meter's advantage is update cadence (every 6 weeks vs every 5 months) and ratings volume (4 vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Light Teller sells 2 one-off in-app purchases and Light Meter sells 3 in-app purchases, starting at $9.00 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Light Teller holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

Light Teller ships an update every 5 months, Light Meter every 6 weeks. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

Scorecard4 real differences · 5 level
Light Teller versus Light Meter: the parameters behind the verdict, then further details
ParameterLight TellerLight Meter
PriceFreeFree
Rating5.0 (1 ratings) — better3.0 (4 ratings)
Number of ratings14 — better
Update frequencyEvery 5 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.113.0 — better
Further details — not scored
Size1 MB13 MB
Age rating4+4+
Developer佳佳 陶琦 崔

Customer experience

Light Teller

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Light Meter

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

Light Teller

One-time2
  • 3 Months Access$1.99
  • 1 Year Access$4.99
3 purchases

Light Meter

Subscriptions1
  • Weekly membership3 Days trial$9.007 Days
One-time2
  • Annual Membership$14.99
  • Lifetime membership$29.99

Questions

Is Light Teller free?
Light Teller is free to download, with in-app purchases available.
Is Light Meter free?
Light Meter is free to download, with in-app purchases available.
Which has better reviews, Light Teller or Light Meter?
Light Teller is rated higher. Light Teller averages 5.0 out of 5 from 1 ratings, while Light Meter averages 3.0 from 4 ratings.
Do Light Teller or Light Meter have ads?
Neither Light Teller nor Light Meter shows ads.
Which is updated more often, Light Teller or Light Meter?
Light Teller ships an update every 5 months, and Light Meter every 6 weeks. Most recently, Light Teller was updated on September 20, 2026 and Light Meter on September 10, 2026.

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