Best Par Meter Free Apps

Measure illuminance (lux/foot-candle)Measure color temperature (Kelvin)Industry-leading accuracy

Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.

(2.5K)

PPFD METER - Grow Light Meter

LUX, PAR, PPFD, DLI & PAR Maps

LUX, PPFD, DLI, and PAR measurementsLight mapping and distribution analysisUniformity and PPF evaluation

This app measures light intensity for plants, converting LUX to PPFD and DLI. It offers advanced light mapping, uniformity analysis, and efficiency insights to optimize plant growth. Customize profiles for different environments and growth stages.

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Lux Light Meter for Mobile

Lux-Meter & Exposure Measure

Real-time color temperature measurementLux and foot candle measurementsDaily light integral (DLI) calculation

This app provides accurate and easy-to-use light measurements in lux and foot candles. It's ideal for photographers, plant owners, and anyone needing to assess ambient light levels in various spaces. Features include real-time color temperature measurement and calculation of the daily light integral.

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Lux Meter: Light Camera Cine

Lux Meter – Pro Light Meter

Real-time light measurementLive EV feedbackSave and compare exposure history

This app transforms your iPhone into a professional light and exposure meter. It provides real-time light measurements with EV feedback, allowing photographers and filmmakers to achieve perfect exposure. Advanced features like spot metering and histograms offer professional-grade control.

Measure light intensity & cct

(9)

freemium

Light Meter: Lux-525 Pro

Real-time illuminance measurementColor temperature measurementPPFD/PAR and DLI calculation

This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.

(113)

Decibel Meter Sound Detector

Track noise around you.

Real-time decibel (dB) readingsFrequency weighting (A, B, C, Z)Share measurements via various apps

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

📊 Productivity

(54K)

Sound Meter (Decibel)

Measure the noise level

Measures decibel valuesDisplays noise referenceShows min/avg/max dB

This application measures and displays environmental noise levels in decibels. It offers various visual representations of the data, including gauges, graphs, and numerical readouts. Users can also save their measurement history.

Speedometer with large display

Displays speed in mph, km/h, knotsLarge, clear indicatorsRetina display support

This application displays your current speed in miles per hour, kilometers per hour, or knots. It features a large, clear display with Retina support for optimal visibility. Accuracy is enhanced by adjusting indicator transparency.

🗺️ Navigation

(49K)

ad-supported

SpotHero: #1 Rated Parking App

Find Garage & Airport Parking

Find parking garages and lotsReserve parking spots in advanceSave up to 50% on parking

Easily find and reserve parking spots in major cities across the US. Save up to 50% by booking in advance. Integrates with Apple CarPlay for hands-free use.

🗺️ Navigation

(404K)

Park. Pay. Be on your way. ®

Passport Parking

Pay for parking on the goExtend parking sessions remotelyReceive parking session end alerts

Effortlessly pay for and manage your parking sessions directly from your smartphone. Avoid feeding meters, receive alerts before your session ends, and extend your time remotely. Enjoy a seamless parking experience with no hidden fees and easy expense tracking.

✈️ Travel

(97K)

free

Lux Light Meter: Illuminance

Exposure Meter & ND Calculator

Ambient light metering (lux/fc)Photography exposure suggestionsPlant light (PPFD/DLI) estimation

Measure ambient light levels with your iPhone. Get real-time lux and foot-candle readings, with specialized modes for photography and plant care. Track light history and calibrate for accuracy.

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Pedometer α - Step Counter

Steps counter for walking

Step countingCalorie trackingDistance measurement

This application functions as a free and simple step counter, ideal for tracking walking and supporting diet goals. It automatically records your steps, calories burned, distance, and walking time, displaying this data in easily viewable graphs. Customize the app's appearance with themes and ensure accurate tracking by inputting personal details.

💪 Health & Fitness

(166K)

ad-supported

Decibel Level Meter - Measure Sound Volume Free

by 齐陈

Easy to useMeasures decibel levelsOne-minute average display

This application allows users to quickly and simply measure the decibel level of their surroundings. It features a clean user interface with a large-text display of the one-minute average sound volume.

Get you current altitude

Current altitude displaySwitch between meters and feetStore maximum altitude

$0.99 | 100% OFF

This app provides your current altitude with a simple and cool interface. It allows switching between meters and feet and automatically stores your maximum altitude. It's also available for Apple Watch and as a widget.

AI Calorie Tracker by Yazio

(271)

free

Food scanner for weight loss

AI calorie trackerFood database with barcode scannerIntermittent fasting plans

This app helps you track your calorie intake and meals to achieve weight loss, muscle gain, or maintenance goals. It offers an AI-powered calorie counter, a vast food database, meal planning, and intermittent fasting support.

💪 Health & Fitness

(50K)

freemium

Decibel Metre (Sound Meter)

Measure the environment noise

Measures sound level in decibels (dBA)Uses built-in microphoneDisplays readings on digital screen

This application functions as a smart sound level meter, utilizing your device's microphone to measure ambient noise in decibels (dBA). It provides real-time readings on a digital screen and displays historical data through a graph. The app also shows reference noise levels and tracks minimum, average, and maximum decibel values.

Speedometer 55 GPS Speed & HUD

(577)

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Limit Alert,Black Box,Trip log