Best Exposure Calculator App

208+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated June 2026

If you already know Long Exposure Calculator, this is the deeper bench. 208+ exposure calculator app apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Exposure Calculator App

Long Exposure Calculator#1

Long Exposure Calculator by Junel Corales

Editor's Choice
📷 Photo & Video
4.4(62 ratings)
FreeAdsIn-App Purchases
Long Exposure Calculator screenshot 1
Long Exposure Calculator screenshot 2
Long Exposure Calculator screenshot 3
Long Exposure Calculator screenshot 4

This utility helps determine the correct exposure time/shutter speed when using Neutral Density filters, making it simple to use with features like a countdown timer for exposures 10 seconds or longer. Try it out to calculate your exposure time with ease, supporting up to 24-stops of ND filter.

Light Meter Ultra#2

Light Meter Ultra by Ultrafine, Lda

Exposure for Film Photography
Strong Contender
📷 Photo & Video
4.5😞(78 ratings)
FreeAdsIn-App Purchases
Light Meter Ultra screenshot 1
Light Meter Ultra screenshot 2
Light Meter Ultra screenshot 3
Light Meter Ultra screenshot 4
Light Meter Ultra screenshot 5
Light Meter Ultra screenshot 6

Light Meter Ultra is the ultimate exposure tool for film photography, offering fast, precise readings through your iPhone camera. Dial in perfect settings with ease using various metering modes and advanced features. Download now to access the free plan or upgrade for full professional functionality.

What We Love

  • 🚀 Accurate and fast metering
  • 👍 Clean and intuitive interface
  • 💡 Customizable settings (aperture, shutter, ISO)
  • 🔍 Useful for analog/film photography

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Locked features behind paywall
  • 🐛 Unreliable performance in low-light conditions
Film Exposure Calculator#3

Film Exposure Calculator by Liswood & Tache CVBA

by Waygate Technologies
Worth Considering
📊 Productivity
0.0(0 ratings)
Free
Film Exposure Calculator screenshot 1
Film Exposure Calculator screenshot 2
Film Exposure Calculator screenshot 3
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Film Exposure Calculator screenshot 6

Enhance radiography projects with the ultimate Film Exposure Calculator, simplifying precise exposure time calculations for high-quality imaging using X-ray sources and isotopes. Input key parameters to get accurate suggestions in seconds, save settings, and improve imaging workflow. Download now for greater precision and efficiency in radiography!

More Exposure Calculator App apps to explore

4
Lightme - Lightmeter
Lightme - Lightmeter
Lightme - Lightmeter
A clean, powerful lightmeter
Free

Lightme - Lightmeter is a powerful lightmeter app designed for both beginners and experienced photographers. It simplifies the process of selecting aperture and shutterspeed settings while offering advanced features like spot metering, reciprocity failure compensation, and customizable presets. Download now to enhance your photography experience!

📷 Photo & Video
(17)
5
Photo Light & Exposure Meter
Photo Light & Exposure Meter
Photo Light & Exposure Meter
Measure Shutter Speed, Lux, EV
Free

Capture and enhance your photos with advanced editing tools including filters, effects, and more. Transform your images into stunning works of art with just a few taps. Download now to elevate your photography game!

🔧 Utilities
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6
Lghtmtr
Lghtmtr
Lghtmtr
The minimalist light meter
Free

This simple light meter app measures available light to help determine proper photo exposure, making it a great learning tool for students and film photography beginners to understand exposure, aperture, and ISO connections. Take a reading, adjust settings, and review the image to achieve perfect exposure.

📷 Photo & Video
(71)
7
LEE Filters - Stopper Exposure
LEE Filters - Stopper Exposure
LEE Filters - Stopper Exposure
The official exposure guide.
Free

This official exposure guide helps photographers using long exposure camera filters accurately calculate precise exposure and offers a flexible timer for very long shutter speeds. By selecting the filter type and dialing in the metered shutter speed, users can get the adjusted exposure and utilize a countdown timer with reminders and notifications.

📷 Photo & Video
(13)
8
Exposure Calculator
Exposure Calculator
Exposure Calculator
by Essence Computing
$0.99

This application helps photographers calculate the correct shutter speed for their camera settings, taking into account lighting conditions, f-stop, and ISO rating. By inputting these simple parameters, users can get an accurate shutter speed calculation, making it easier to capture the perfect shot - try it out and take the guesswork out of your photography!

📷 Photo & Video
(5)
9
Photo Friend exposure and DoF
Photo Friend exposure and DoF
Photo Friend exposure and DoF
Calculator and lightmeter
Free

This photography app serves as an exposure calculator, light meter, and depth-of-field estimator, allowing users to adjust settings and achieve optimal shots. With its intuitive interface, users can easily calculate exposure values, measure light, and determine depth-of-field by inputting simple parameters.

📷 Photo & Video
(9)
10
Light Meter - Film Exposure
Light Meter - Film Exposure
Light Meter - Film Exposure
Film Camera Exposure Tool
Free
$3.99 | 100% OFF

This professional tool helps film photographers achieve perfect exposure with accurate aperture-priority and shutter-priority metering, making it easy to capture stunning images. With features like automatic ISO recording and ND filter support, photographers can focus on their art, try it now and elevate their film photography experience.

📷 Photo & Video
(11)
11
myLightMeter PRO
myLightMeter PRO
myLightMeter PRO
A reliable light meter
$3.99
$4.99 | 20% OFF

An advanced light meter app designed for photographers with features like extended sensitivity, incident and reflected light metering, aperture and speed selection, and more. Constantly reviewed and improved by an independent photographer, it prioritizes reliability and precision for digital and analog photography. For more information and feedback, contact davidquiles@me.com.

📷 Photo & Video
(1K)
12
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A versatile and customizable calculator app offering basic and scientific functions, memory features, history tape, and various layout options. Users can personalize their color themes, access scientific functions, and easily perform complex calculations, all with ad-supported convenience. Explore the app now for a powerful and user-friendly calculation experience!

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(3K)
13
ReeXpose - RAW Long Exposure
ReeXpose - RAW Long Exposure
ReeXpose - RAW Long Exposure
Slow Shutter Camera for Pros
Free

Capture stunning long exposure photos in RAW on your iPhone without the need for extra filters. Fine-tune settings like exposure and capture duration to create professional-quality images with motion blur or light trails. Elevate your mobile photography with ReeXpose - RAW Long Exposure app!

📷 Photo & Video
(455)
14
Sunny16 exposure calculator
Sunny16 exposure calculator
Sunny16 exposure calculator
Light. Right!
$0.99

This exposure calculator app helps photographers set up the perfect exposure for their film or digital camera with a manual mode, using the Sunny 16 rule and other features. With just a tap, users can find equivalent exposures, adjust for different lighting conditions, and customize settings to suit their equipment and preferences.

📷 Photo & Video
(4)
15
ND Filter Long Exposure Photo
ND Filter Long Exposure Photo
ND Filter Long Exposure Photo
Neutral density filter calc
Free
📷 Photo & Video
(1)
16
LongExpo - slow shutter and long exposure camera
LongExpo - slow shutter and long exposure camera
LongExpo - slow shutter and long exposure camera
by EyeTap Soft
Free

Capture stunning long exposure and light trail photos with this camera app. Create amazing effects and adjust settings for high-quality, captivating shots. Download now and unleash your creativity!

📷 Photo & Video
(108)
17
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Easy Basic Calculator
Free

Experience the ultimate iOS calculator with big buttons, dual-line display, 18 color themes, and multi-line input for complex equations. Includes convenient gestures like swipe to backspace and clear. Perfect for all your calculating needs!

🔧 Utilities
(13K)
18
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

🔧 Utilities
(213)
19
Star Exposure Calculator
Star Exposure Calculator
Star Exposure Calculator
by Dejan Boras
Free
📷 Photo & Video
(0)
20
Ballistic Calculator SBC Light
Ballistic Calculator SBC Light
Ballistic Calculator SBC Light
Long Range Ballistics
Free

A free ballistic trajectory calculator app for iPhone to enhance shooting accuracy by considering various factors like wind, pressure, temperature, and more. Upgrade to the PRO version for access to additional features with a subscription starting from $1.99/month. Terms of use and privacy policy available on the app's website.

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