Luxmeter vs eTDC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Luxmeter
This app measures light intensity in lux and provides real-time exposure suggestions for photography. It offers customizable settings for shutter speed, aperture, and ISO, with options for both front and back cameras. It's designed for personal use to optimize lighting and capture better photos.
- Light intensity measurement (lux, foot-candles)
- Real-time color temperature readings
- Exposure suggestions
- Manual shutter speed, aperture, ISO control
- Front and back camera support
- Customizable settings
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LuxMeter is a 2-in-1 light intensity (lux) and exposure meter with customizable settings. Whether you want to capture the perfect photo or optimize lighting in any space, LuxMeter provides good-quality readings right on your phone. Key Features: - Real-time color temperature readings - Light intensity measurements in lux and foot-candles - Tracking of average and maximum light levels - Real-time suggestions for optimal exposure settings - Manual adjustment and locking of shutter speed, aperture, and ISO - Intuitive and customizable controls - For front and back cam - Customizable settings for shutter speed, ISO, aperture - Preview and adjust diaphragm settings before shooting Please note, that the LuxMeter app is not a replacement for a professional lux meter and should be used for personal needs only. Terms of Use - https://luxmeter-landing.vercel.app/privacy Privacy Policy - https://luxmeter-landing.vercel.app/terms
eTDC
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A forestry app used to collect data in the field, with region specific capabilities
Screenshots
Verdict
The clearest difference is in-app purchases: eTDC at none against Luxmeter's 7. eTDC also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence 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. Luxmeter sells 7 in-app purchases, starting at $5.99 per 7 days. eTDC asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.
| Parameter | Luxmeter | eTDC |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (255 ratings) — better | — |
| Positive reviews | 7.7% of reviews | — |
| Number of ratings | 255 — better | — |
| Update frequency | Every 5 days | Every 5 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 172 MB |
| Age rating | 4+ | 4+ |
| Developer | STOMBERG s.r.o | Pawel Migdal |
In-app purchases
Luxmeter
- Luxmeter Pro7 Days trial$5.997 Days
- Luxmeter Pro$5.997 Days
- Luxmeter Pro3 Days trial$8.997 Days
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- Luxmeter Pro7 Days trial$9.997 Days
- Luxmeter Pro3 Days trial$9.997 Days
- Luxmeter Pro$9.997 Days
- Luxmeter Pro$29.991 Year
eTDC
No in-app purchases
Questions
Is Luxmeter free?
Is eTDC free?
Do Luxmeter or eTDC have ads?
Which is updated more often, Luxmeter or eTDC?
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