Best Long Exposure Calculator Apps

206+ iOS apps curated and reviewed

4.5 avg rating
15 free apps
Updated May 2026

Every iPhone needs a few good long exposure calculator apps. We benchmark 206+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Long Exposure Calculator

Long Exposure Calculator#1

Long Exposure Calculator by Junel Corales

Editor's Choice
πŸ“· 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

Calculate precise exposure times for long-exposure photography with Neutral Density filters. Features a countdown timer for exposures over 10 seconds and supports up to 24 stops of ND filtration.

LEE Filters - Stopper Exposure#2

LEE Filters - Stopper Exposure by LEE Filters

The official exposure guide.
Strong Contender
πŸ“· Photo & Video
4.5(13 ratings)
Free
LEE Filters - Stopper Exposure screenshot 1
LEE Filters - Stopper Exposure screenshot 2
LEE Filters - Stopper Exposure screenshot 3
LEE Filters - Stopper Exposure screenshot 4
LEE Filters - Stopper Exposure screenshot 5

This official guide helps photographers using specific long exposure filters accurately calculate required exposures. It features a flexible timer for extended shutter speeds and provides access to user guides and web resources.

Photo Light & Exposure Meter#3

Photo Light & Exposure Meter by Pavel Bukhonov

Measure Shutter Speed, Lux, EV
Worth Considering
πŸ”§ Utilities
4.5😐(3.2K ratings)
FreeIn-App Purchases
Photo Light & Exposure Meter screenshot 1
Photo Light & Exposure Meter screenshot 2
Photo Light & Exposure Meter screenshot 3

This app acts as a portable light meter for photographers. It helps you understand correct photography settings and experiment with shutter speed, aperture, and ISO in real time. Save snapshots with parameters and geolocation, and measure color temperature.

What We Love

  • πŸ‘ Simple and easy to use
  • πŸ” Accurate light metering
  • πŸ’‘ Useful for film photography
  • πŸš€ Quick and responsive

Room to Improve

  • πŸ’° Expensive subscription model
  • πŸ”’ Unclear pricing and subscription details
  • πŸ› Inconsistent performance and bugs

More Long Exposure Calculator apps to explore

4
ManualExposure
ManualExposure
ManualExposure
Long Exposure Calculators
Free

This app provides essential calculators for landscape photographers to determine exposure settings. It includes tools for ND filters, handheld shots, multiple exposures, star photography, and nightscapes, with features like a built-in timer and equipment organization.

8 landscape photography calculatorsBuilt-in timer and notificationsHome screen widget and Apple Watch app
πŸ“· Photo & Video
(12)
free with in-app purchases
5
Easy Long Exposure Camera
Easy Long Exposure Camera
Easy Long Exposure Camera
Shoot brightly in dark places
Free

Capture stunning long exposure photographs, perfect for dark environments like night scenes, fireworks, and starry skies. Simply select your desired exposure time, from 1 to 180 seconds, and press the button. A Bluetooth remote shutter is also supported for convenience.

Long exposure photographyAdjustable exposure time (1-180 seconds)Night scene capture
πŸ“· Photo & Video
(919)
free with in-app purchases
6
LExp - Long Exposure Calcs
LExp - Long Exposure Calcs
LExp - Long Exposure Calcs
Long Exposure Calculators
$3.99

This app provides essential calculators, reference tables, and cheat sheets for landscape photographers. It simplifies complex calculations for long exposures, ND filters, astrophotography, and various lighting conditions. Features include a built-in timer and quick access to favorite tools.

Magic Hours and Moon Phase CalculatorSunrise/Sunset Direction and Twilight TimesND Filter Stacking and Graduated ND Calculators
πŸ“· Photo & Video
(17)
paid
7
Light Meter Ultra
Light Meter Ultra
Light Meter Ultra
Exposure for Film Photography
Free

This app provides precise light metering for film photography, eliminating the need for external hardware. It offers various metering modes and customizable profiles to ensure perfect exposures for manual cameras. Advanced features like reciprocity failure correction are available with a PRO plan.

Aperture Priority MeteringShutter Priority MeteringExposure Priority Metering
πŸ“· Photo & Video
(78)
free with in-app purchases
8
ND Filter Long Exposure Photo
ND Filter Long Exposure Photo
ND Filter Long Exposure Photo
Neutral density filter calc
Free

This app helps photographers calculate necessary ND filter settings for long exposure shots. It also assists with depth of field and exposure value calculations.

ND Filter CalculationDepth of Field (DoF)Exposure Value
πŸ“· Photo & Video
(1)
free with in-app purchases
9
PhotoPills
PhotoPills
PhotoPills
Shoot legendary photos
$10.99

Plan and capture stunning photos of the sun, moon, and Milky Way. This app helps you visualize celestial events and landscape compositions with advanced planning tools and augmented reality.

2D Map-Centric Planner (Sun, Moon, Milky Way)3D Augmented Reality ViewsCelestial Event Finder
πŸ“· Photo & Video
(1.5K)
free with in-app purchases
10
Xposure - Photo Planner & ND
Xposure - Photo Planner & ND
Xposure - Photo Planner & ND
Effects-Based ND Calculator
Free
$2.99 | 100% OFF

This app helps photographers master long exposure techniques by calculating the correct ND filters needed for desired effects. It also provides real-time light metering, golden hour tracking, and weather information to plan perfect shots.

Effects-based ND filter calculationReal-time light meterGolden hour and solar event tracking
πŸ“· Photo & Video
(3)
paid
11
Long Exposure Toolkit
Long Exposure Toolkit
Long Exposure Toolkit
by Andrew Offield
$5.99

This app provides DSLR photographers with a suite of tools for creating long exposure photographs. It includes calculators for ND filters, light metering, time-lapses, and exposure values, along with tips and a photo feed for inspiration.

ND CalculatorLight MeterTimelapse Calculator
πŸ“· Photo & Video
(4)
paid
12
Exposure Calculator
Exposure Calculator
Exposure Calculator
Long Exposure Calculator
$1.99
πŸ“· Photo & Video
(0)
13
Slow Shutter Fast Cam
Slow Shutter Fast Cam
Slow Shutter Fast Cam
Long exposure photo cam
Free

This free camera app provides advanced slow shutter speed control for creating unique long-exposure photographs. It offers various capture modes, filters, and editing tools, with direct sharing to social media platforms.

Slow shutter speed control (0.5-15 seconds)Multiple capture modes (Automatic, Manual, Light Trail)Built-in effects and filters
πŸ“· Photo & Video
(487)
free with in-app purchases
14
Slow Shutter Cam
Slow Shutter Cam
Slow Shutter Cam
Long Exposure Photography
$2.99

Capture stunning long exposure photographs with three distinct modes: Motion Blur for dynamic effects, Light Trail for light painting, and Low Light for enhanced detail. Achieve DSLR-quality results with manual controls and real-time previews.

Motion Blur capture modeLight Trail capture modeLow Light capture mode
πŸ“· Photo & Video
(2.7K)
paid
15
ReeHeld - Long Exposure Camera
ReeHeld - Long Exposure Camera
ReeHeld - Long Exposure Camera
AI Slow Shutter without Tripod
Free

Capture stunning long exposure photos on your iPhone without a tripod. This app uses AI to stabilize images, allowing for capture durations from 1 to 30 seconds. Ideal for creating professional-looking shots of landscapes, cityscapes, and more, even on the go.

Handheld long exposure photographyAI image stabilization1-30 second capture duration
πŸ“· Photo & Video
(449)
free with in-app purchases
16
LEE Filters - ProGlass IRND
LEE Filters - ProGlass IRND
LEE Filters - ProGlass IRND
The official exposure guide.
Free

This official guide helps photographers calculate exposure adjustments when using ProGlass IRND filters. It features a built-in timer for long exposures and allows switching between different filter stops or ND values.

Exposure calculation for IRND filtersAdjustable shutter speed incrementsCountdown timer for long exposures
πŸ“· Photo & Video
(1)
free
17
Long Exposure Buddy
Long Exposure Buddy
Long Exposure Buddy
by mitesh soni
Free
πŸ“· Photo & Video
(0)
18
Mango Exposure: The Calculator
Mango Exposure: The Calculator
Mango Exposure: The Calculator
Long Exposure & Depth of Field
Free

Calculate precise long exposure times with ND filter compensation and depth of field parameters. Supports various sensor sizes and measurement units, with a built-in timer for extended shots. Offers light and dark modes for iOS devices.

ND filter compensation up to 20 stopsMultiple filter notation formatsBuilt-in countdown timer
πŸ“· Photo & Video
(1)
free with in-app purchases
19
NiSi ND Calculator
NiSi ND Calculator
NiSi ND Calculator
NiSi ND Calculator
Free

This utility helps photographers determine precise exposure times when using ND filters. It also functions as a timer and trigger for compatible wireless remote controls.

ND filter exposure calculationPrecise exposure time determinationTrigger and timer functionality
πŸ”§ Utilities
(5)
free
20
Long Camera Exposure Calc...
Long Camera Exposure Calc...
Long Camera Exposure Calc...
Photo light exposure meter
Free

This tool helps photographers calculate optimal camera settings for well-exposed images. It assists in balancing aperture, shutter speed, and ISO for creative control and efficiency in various lighting conditions.

Optimal exposure calculationBalances aperture, shutter speed, ISOCreative control over image
πŸ”§ Utilities
(1)
free with in-app purchases