iPhone Screenshots


Track the dozens and columns with just a tap!

To run the system all you need is a bankroll of $200. Though there are a lot of online casinos that will match your deposit amount. So you can just deposit $100 and they will give you $100 for free!

The Roulette Dozens Calculator tracks the numbers that are hit on each spin and logs how many times a dozen has not appeared. If a dozen has not appeared after five spins, chips will be displayed on the screen and you’ll be informed how much money to place on the next dozen. It’s a really easy system to use, has great winning odds and is a really fun way to play roulette!

Disclaimer: By buying this app you agree the developer is not responsible for any circumstances or any losses incurred.

Tested and works on IOS 8.0 and up
Click on app support to see how it works with the new undo and restart button. :)

Check out my other app Roulette Calc 41 Spins if you'd like to track how many times a number has been missed. Here's the demo: http://www.youtube.com/watch?v=w0ArwEFJzoE

What’s New

Version 2.3.1

This app has been updated by Apple to use the latest Apple signing certificate.

Added Languages - French, Chinese (Simplified), Danish, Dutch, German

App Privacy

The developer, Gerard Grundy, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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