Neutral Density Calculator vs NDReady

Neutral Density Calculator for photographers to calculate the shutter speed when adding neutral density filters to your lens. Set the filter you are using and the shutter speed without the filter and the app calculates the new shutter speed with your filter fitted. This is a utility app that helps you determine the correct exposure time/shutter speed when using Neutral Density Filters. Instantly it tells you exactly how long to leave your shutter open, and it even has a built-in timer countdown clock. Features: - User friendly UI - Includes a countdown timer if exposure time is more than 60 seconds (bulb) - Option to dim the screen while countdown - Option to enable disable sound once timer reach - Neutral density or Optical density unit selection - Supports up to 20-stops of ND filter - Base Shutter speed from 1/8000 - 60 sec - Show Fractional transmittance data with selected ND filter Steps: 1 - How many stops your ND filter is (like a 3-stop, 4-stop, 10-stop, etc.) 2 - Base shutter speed - What your current shutter speed is (before you put your ND filter on your lens) 3 - Final time are calculate base on your input, you can press the start button sync with DSLR/DSLM camera shutter at the same time. And the timer will remind you once timer reach to release your DSLR/DSLM camera shutter. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

Stop guessing your settings. NDReady reads a single photo and tells you exactly which ND filter and camera settings you need to nail the shot — in any light. Built for action sports videographers who shoot fast and can't afford to fumble with exposure on the trail, in the surf, or mid-flight. HOW IT WORKS Snap or import one photo. NDReady analyzes the light and hands you the right ND filter strength and exposure settings instantly. No light meter, no trial and error, no missed footage. CONDITIONS ENGINE Go beyond a basic calculator. The Conditions Engine cross-references your spot's history, live light data — cloud cover, sun elevation, and how open your location is — to predict the settings you'll actually need before you even get there. LOOK MATCHER Build a watchlist of the cinematic looks you're chasing. NDReady matches current conditions to the footage you want and tells you how to get there. SPOT HISTORY Every location you shoot gets smarter over time. NDReady remembers your spots and learns what works. WHY CREATORS USE NDREADY - One photo to dialed-in settings - ND filter strength + full exposure recommendations - Live conditions, not generic charts - Designed for GoPro, action cams, FPV drones, and cinema setups - Fast enough to use between takes NDREADY PRO Unlock the full Conditions Engine, Look Matcher, and unlimited spot history with Pro. Subscribe monthly or save with an annual plan. Spend less time fighting your exposure and more time getting the shot. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/