Best single malt guide app...Period — By far, the best single malt guide available on iTunes. Superb and complete guide...
Very detailed and up to date.
As good or better than anything in print.
Range of bottle sizes

Miniature5 cl
1/2 Standard375 ml
Standard (EU)70 cl
Standard (US)750 ml
Liter1 liter
Magnum1.5 liter
Double Magnum3 liter