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.
Long Exposure Calculator by Junel Corales




206+ iOS apps curated and reviewed
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.




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.





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.



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.


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.


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.


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.


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.


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


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.


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.


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.




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.


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.


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.


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.




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.


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.


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.