Real vs LuxMeter
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Real
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Real-Time Atomic Clock This app shows the current time with high accuracy. It uses trusted NTP servers to stay precise. It updates in real time. It does not drift like a phone clock can. You get: โข Accurate time based on atomic reference clocks โข Automatic syncing with NTP servers โข No setup required โข Clean and easy display Useful when: โข You need exact time for work or travel โข You check time across devices โข You need a reliable reference clock
LuxMeter
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LuxMeter turns your iPhone camera into a precise light meter, giving you instant illuminance readings in lux, foot-candles, or exposure value (EV). Whether you are checking lighting conditions for work, photography, or plant care, LuxMeter delivers real-time measurements derived directly from your camera's exposure metadata using the industry-standard APEX formula. The live gauge updates continuously as you move the camera, and the automatic brightness category โ from Moonlight to Direct Sun โ tells you at a glance what kind of environment you are in. Hold any reading to freeze the display and share it, or save a session to keep a timestamped log of your measurements. Key features: - Real-time lux readings powered by camera exposure metadata - Displays lux, foot-candles (fc), and exposure value (EV) - Animated gauge with live min, avg, and max statistics - Hold mode to freeze and share a reading - Session history with bar chart and inline notes - EV calibration offset to match a reference meter - Built-in lux reference table covering natural light, office, home, photography, and plant growth - Clean, distraction-free design with dark mode support
Screenshots
Verdict
The clearest difference is price: LuxMeter at Free against Real's $2.99. Real's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
LuxMeter is free to download; Real costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Real | LuxMeter |
|---|---|---|
| Price | $2.99 | Free โ better |
| Update frequency | Every 10 days | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.1 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 24 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Panupong Sakulsaeng | Linh Phan Nhat Khanh |
In-app purchases
Real
No in-app purchases
LuxMeter
No in-app purchases









