Yuka - Yuka is an independent reviewer of food and cosmetics products. It gives a note (between 0 & 100) to products to help you buying more reliable, respectful and healthier things.
Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
INCI Beauty - INCI Beauty is a french application that allows you to analyze the composition of cosmetic products: simply scan the barcode of a product in a shop or at home to obtain information on the ingredients it contains as well as info about them.
SymCalc - Symbolic Calculator - Math toolbox for iOS. Advanced calculator features with a tape-like history, not requiring internet...
Clearya - Reveal unsafe ingredients in everyday products while shopping online.
Numi App - Numi is a beautiful text calculator for Mac.