This is a simplistic (not necessarily simple) calculator developed for brewing beer at home.

Features:

– Strike water quantity and temperature estimation for a single infusion mash
– Mash efficiency calculation
– Hydrometer temperature adjustments
– Estimation of wort volume after boil
– Original gravity estimation
– Calculates adjustments (added water, malt) needed to hit target gravity
– ABV and attenuation calculations with OG and FG information
– Settings: Plato/specific gravity, Imperial/metric, evaporation rate

Sidenote: At the point of posting this program has been marked as beeing freely available without costs. As this program is hosted with the AppStore the status might change. Authors like to publish their programs for free for promotion purpose and then make it commercial. Also it could happen that the author decides to take the program down.

http://appshopper.com/utilities/hbcalc