BrewMate Toolbelt app for iPhone and iPad

This is a free Brewers Toolbelt! The application includes six main functions:
List of Beer Styles and information about Styles
Aroma
Appearance
Flavor
Ingredients
Comments
And SRM, OG, FG and ABV ranges
IBU Calculator
Just enter the hops in the boil along with boil times, gravity and volume.
Mash Calculator
Enter all of your mash ingredients and specifications to get the estimates of your beer
You will get the color of your beer along with the OG
Alcohol Percentage Calculator
Just enter the Final Gravity and Original Gravity to calculate your ABV
Grain Descriptions
Hop Descriptions
Also includes substitutes for hops

Application is currently only supported on iOS 8+. Support for iOS 5,6 and 7 to come soon!