PhoMeter vs LightMeter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PhoMeter
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PhoMeter is a simple white balance meter for photographers, videographers, and creators. Use your iPhone camera to estimate the color temperature of your lighting in Kelvin and get a practical Tint indication for green/magenta correction. PhoMeter helps you choose a better white balance setting before shooting photos or videos. Point your camera toward a neutral surface or grey card, wait for the reading to stabilize, then lock and save the measurement. Main features: Live color temperature reading in Kelvin Tint indication for green/magenta white balance correction Stability indicator for more reliable readings Lock measurement before saving Add an optional note to each saved reading Measurement history Clean and fast interface for on-set use Useful for: Photo shoots Video productions Interviews Product photography Studio lighting setup LED light comparison Checking mixed lighting environments PhoMeter is designed as a practical white balance reference tool. It is not a professional spectrometer and does not measure CRI, TLCI, SSI, or full light spectrum data. For best results, measure using a neutral grey card or matte white reference under the light you want to evaluate.
LightMeter
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LightMeter is a professional exposure metering tool designed for photography enthusiasts and film photographers. It uses your iPhone camera to analyze scene brightness in real time and help you quickly determine suitable exposure settings. 【Professional Metering】 Supports spot, center-weighted, and average metering modes. Choose the method that best fits your scene and get real-time exposure guidance. 【Exposure Controls】 Adjust aperture, shutter speed, and ISO, with exposure compensation support to help you find the right combination for different shooting conditions. 【Real-Time Image Analysis】 View EV, color temperature, and Tint information in real time. The luminance histogram helps you understand highlight, midtone, and shadow distribution for more confident exposure decisions. 【Digital & Film Modes】 Switch between digital and film workflows. Film mode supports film presets and full-stop shutter settings, making exposure metering more intuitive for analog photography. 【Metering Hold】 Freeze the current metering result so you can continue checking the measured values while recomposing, adjusting camera settings, or changing your shooting position. 【Exposure Advice】 Get clear exposure references and shooting guidance based on the current metering result to help you make faster decisions in the field. Whether you are shooting street photography, travel, portraits, or film, LightMeter is designed to be a simple, intuitive, and reliable light meter you can always carry with you. LightMeter does not aim to press the shutter for you. It helps you understand light better.
Screenshots
Verdict
The clearest difference is iOS requirement: LightMeter at 17.6 against PhoMeter's 26.4. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | PhoMeter | LightMeter |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.4 | 17.6 — better |
| Further details — not scored | ||
| Size | 7 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrea Biancat | 鹏 张 |
In-app purchases
PhoMeter
No in-app purchases
LightMeter
No in-app purchases








