I love multi-tasking apps and was happy to discover What's for Dinner? -- an app that not only helps you find recipes by searching six top sites (including FoodNetwork.com, AllRecipes.com and Epicurious.com), but populates a shopping list with needed ingredients, sorted by aisle. But what it lacks, another app, Grocery Gadgets, offers: Scans barcodes to add items to a shopping list, finds available coupons, offers multiple lists and even synchs lists with a spouse. What's for Dinner for iOS ($2.99), Android ($2.99), Palm ($4.99): Check out the What's for Dinner? app here. Grocery Gadgets for iOS ($3.99), Android ($2.99) and others: Check out the Grocery Gadgets app here.