Long Exposure Calculator 4+

Junel Corales

    • 4.4 • 58 Ratings
    • Free
    • Offers In-App Purchases



Long Exposure Calculator is a utility that helps you determine the correct exposure time/shutter speed when using Neutral Density filters.

- Very simple to use
- Includes a countdown timer if the exposure time is 10 seconds or longer.
- Supports up to 24-stops of ND filter

iPhone, iPad, and iPod touch compatible.

What’s New

Version 3.2.0

Thanks for using the Long Exposure Calculator app!

Here's what's new in this update:
- Bug fixes and improvements.

Ratings and Reviews

4.4 out of 5
58 Ratings

58 Ratings

Cognitionis ,


Just downloaded and tried this photography app. I found this to be an easy exposure calculator when using neutral density filters. Enter the basic settings and the app will automatically tell you the time of the exposure. If the exposure is more than bulb (30 secs) the app will open a timer. I rate for 5 stars. However, its hard to find anything perfect because there is no such thing. But a new update could include an alarm for the timer. I thank and recognize the author for making this app and free for photographers and users. I'll look and follow him. This app is exactly what I was looking for and should help me using ND filters. Thank you again. 🙂

Alexis.alexis.Eva ,

Great App!

This app works very well as a long exposure calculator for novices in long exposure photography as well as professionals. The design of the app is great and everything is straight to the point. I am grateful for the lack of annoying advertisements. This is all I at least what I would expect in a paid app but for free. An alarm at the end of the timer would be nice, but I seldom use it. I use this app every time I take a daytime long exposure photo using a neutral density filter. It is far more efficient than a reference card or many other apps that I have seen. Overall, it is very simple, effective, efficient, and easy to use for photographers of any skill level. Although, I wish that it included aperture. Also, is the base shutter speed with or without the ND filter?

duncandim ,

Ok I got how it worked now :)

Simple app that does get the job done.
It would be nice to have an alarm on the timer though.

App Privacy

The developer, Junel Corales, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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