Luminosys vs Light Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Luminosys
Accurately measure ambient light levels in Lux or Foot Candles using your phone's camera. This tool is ideal for photography, comparing light sources, or indoor gardening. It's designed for ease of use and provides precise readings.
- Measures light in Lux
- Measures light in Foot Candles (FC)
- Uses phone camera for accuracy
- Easy to use interface
- Suitable for photography
- Useful for indoor gardening
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Luminosys allows you to accurately measure the ambient light level in Lux or Foot Candles (FC). To do this, Luminosys uses your phone's camera in conjunction with a piece of paper to accurately measure the light level. It is very easy to use and is a great app for those looking for accurate light measurements for photography, comparing light sources, or indoor gardening.
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.
- Multi-mode metering system
- Real-time color temperature capture
- Photography decision engine
- Plant cultivation light monitoring
- Space optimization analysis
- Data report generation
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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
Verdict
The clearest difference is rating: Luminosys at 4.3 against Light Meter's 3.6. Luminosys also leads on in-app purchases (none vs 3). Light Meter's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 19 months). On price, ratings volume and device support 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. Light Meter sells 3 in-app purchases, starting at $9.00 per 7 days. Luminosys asks for nothing beyond the download.
Luminosys holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 10 and 15 respectively.
Luminosys ships an update every 19 months, Light Meter every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Luminosys | Light Meter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (10 ratings) — better | 3.6 (15 ratings) |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 10 | 15 — better |
| Update frequency | Every 19 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Melissa Zwick | 琦 崔 |
Customer experience
Luminosys
Light Meter
In-app purchases
Luminosys
No in-app purchases
Light Meter
- Weekly membership3 Days trial$9.007 Days
- Annual Membership$14.99
- Lifetime membership$29.99
Questions
Is Luminosys free?
Is Light Meter free?
Which has better reviews, Luminosys or Light Meter?
Do Luminosys or Light Meter have ads?
Which is updated more often, Luminosys or Light Meter?
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