Use it nearly daily on set
The only calculator I know of that can do multiple cameras against multiple lights and give you ALL your flicker free angles at a glance.

Archived App (Last seen on 17 Sep 2025)
This is an archived listing of the app previously available on the App Store.Calculate flicker-free shutter angles for various lighting conditions. Manage multiple camera and light setups, and quickly verify FPS multiples for professional video production.
1.2
July 18, 2021
- Added support for locales with comma decimal place character - Fixed inconsistent tap response on frequency suggestion list
FlickerCalc is a professional tool designed to calculate flicker-free shutter angles for various lighting conditions. It helps videographers and cinematographers ensure smooth footage by avoiding light flicker issues.
FlickerCalc is a paid application, priced at $6.99. This one-time purchase grants you access to all its features for calculating shutter angles and managing lighting setups.
FlickerCalc is compatible with iPhone, iPad, and iPod touch devices. It is designed to run on Apple's iOS ecosystem.
The latest version of FlickerCalc, 1.2, was released on July 18, 2021. This indicates the app receives periodic updates for maintenance and potential improvements.
FlickerCalc has an age rating of 4+. This suggests the content and interface are suitable for a wide range of users, including younger individuals.
No, FlickerCalc does not contain advertisements. As a paid application, it offers an uninterrupted user experience without any in-app ads.
FlickerCalc has received one rating of 1.0 stars. This indicates a need for further user feedback to understand specific areas for improvement.