Lumu Light Meter vs Light Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lumu Light Meter
This app functions as a standalone reflective light meter or pairs with hardware for professional flash and color temperature measurements. It offers various modes for photography and videography, storing measurements with notes and location.
- Standalone reflective light meter
- Flash and color temperature metering
- Photo and cine/video modes
- Spot metering
- Color temperature in Kelvin
- Store measurements with notes
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The light metering tool for every great image maker. Use the standalone app as a reflective light meter or use it in combination with Lumu Power hardware for professional Flash and Color Temperature measurements. Lumu Power is an easy-to-use digital incident color and light meter that works seamlessly with the free Lumu app to deliver Color Temperature, Illuminance, Spot, Ambient, and Flash Exposure metering functionality on your iPhone. A new expression of what a light meter can be, Lumu meets the needs of enthusiasts, professionals, and students who find existing light metering solutions too bulky, expensive, and complicated. “The Lumu Power is without any doubt the most full featured light meter I have ever owned. It’s tiny, it weighs hardly anything, it manages to offer a feature set that expands way beyond what most will ever need from such a device.” - www.35mmc.com Key features: - SPOT METERING: Use your phone’s camera as a reflective light meter. With Lumu Power: - PHOTO SINGLE mode: Giving you exact parameters: exposure time, f-number, ISO, EV, lux. - PHOTO MULTI mode: Calculating average value or contrast between multiple measurements. - PHOTO PINHOLE mode: Measuring exposure time for custom pinhole camera settings. - CINE/VIDEO mode: Set FPS, F-number, exposure time and ISO. Get the values for the ambiental light. - FLASH EXPOSURE: See the graph of flash duration, measure its intensity. - COLOR TEMPERATURE: Read light Color temperature in Kelvin and Green/Magenta shift. - CHROMATICITY: See light colour in CIE1931 diagram and get X,Y,Z coordinates. - ILLUMINANCE mode: showing incident light level in lux / foot-candle values. - NOTES: Store all your measurements together with geo-location, custom notes and your photo in one place. + ND FILTERS, EXPOSURE COMPENSATION and more… Visit http://lu.mu/ to learn more.
Light Meter
This neumorphism-style light meter offers aperture priority, shutter priority, and manual modes. It allows users to adjust shutter speed, aperture, and ISO sensitivity for precise photography.
- Aperture Priority Mode (A)
- Shutter Priority Mode (S)
- Manual Mode
- Adjustable Shutter Speed
- Adjustable Aperture
- Adjustable ISO Sensitivity
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This is a neumorphism-style light meter launched by Tsingland Camera. #Features [Mode] Tsingland Light Meter currently has three modes: aperture priority (A), shutter priority (S), and manual mode. [Button] A: Aperture priority; S: Shutter priority: R: Reset parameters. [Parameters] Speed: shutter speed; Aperture: aperture; ISO: iso sensitivity. For more film shooting techniques and simulation effects, please visit 'Tsingland Camera'. User Agreement: https://tsinglandcamera.wordpress.com/termsofuse/ Privacy Policy: https://tsinglandcamera.wordpress.com/privacypolicy/ Contact us: lvjt@foxmail.com
Screenshots
Verdict
The clearest difference is review sentiment: Light Meter at 100% against Lumu Light Meter's 53%. Light Meter also leads on rating (5.0 vs 3.4) and in-app purchases (none vs 3). Lumu Light Meter's advantage is ratings volume (103 vs 1) and device support (3 vs 1). On price, update cadence and ads 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. Lumu Light Meter sells 3 one-off in-app purchases. Light Meter asks for nothing beyond the download.
Light Meter holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Lumu Light Meter has 103 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 53% of Lumu Light Meter's written reviews are positive against 100% of Light Meter's.
Lumu Light Meter ships an update monthly, Light Meter every 2 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | Lumu Light Meter | Light Meter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (103 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 52.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 103 — better | 1 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 52 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Lumu d.o.o. | 景天 吕 |
Customer experience
Lumu Light Meter
Light Meter
Bugs and requests
Lumu Light Meter
Reported bugs
14 issues- 🐛 LUX value shown as FootCandle
- 🐛 ISO keeps changing when metering
- 🐛 Color temp readout option disappeared
- 🐛 Error when factory resetting module
- 🐛 Cannot read CCT
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- 🐛 App no longer recognizes original Lumu
- 🐛 Photo Ambient mode turns off
- 🐛 Device not recognized after app update
- 🐛 High-pitched squeal on app open
- 🐛 Loud painful high frequency noise with earphones
- 🐛 Saved files not found
- 🐛 App not working with older iPhones
- 🐛 Exposure compensation backwards
- 🐛 Extremely high pitched squeal
Requested features
11 requests- 💡 Aperture priority mode
- 💡 Ability to lock aperture
- 💡 Analog style shutter speed/aperture display
- 💡 Option to see all equivalent exposure settings at a glance
- 💡 Ability to take two readings and see difference in stops
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- 💡 Use phone's volume button to take reading
- 💡 Add lower ISO options (below 50)
- 💡 Half-stop increments for ISO/aperture
- 💡 Video mode
- 💡 Location tracking for readings
- 💡 Sync only on Wi-Fi setting
Light Meter
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lumu Light Meter
- Lite to Power Upgrade$69.99
- Power to Pro Upgrade$229.99
- Lite to Pro Upgrade$249.99
Light Meter
No in-app purchases
Questions
Is Lumu Light Meter free?
Is Light Meter free?
Which has better reviews, Lumu Light Meter or Light Meter?
Do Lumu Light Meter or Light Meter have ads?
Which is updated more often, Lumu Light Meter or Light Meter?
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