Shopper Calc app for iPhone and iPad

Shopper Calc combines many common shopping calculations into one convenient app!

Use it to...
• convert between a large number of unit types (weight, length, area, volume)
• convert between similar ratios such as $/lb and $/kg, mpg and L/100 km, etc.
• compare price per size of different products to get the most for your money
• calculate savings on percentage discounts and BOGO offers
• find out how many smaller-sized items to buy to get the total size you need
• calculate the number of days remaining before an item expires

Check out the list below for everything that Shopper Calc has to offer or go to shoppercalc.com for more information.

Compare Prices
• Compare the prices of multiple items with different unit sizes and types to find the cheapest price per size (e.g., comparing prices of different cereal box sizes)
• Automatically converts between unit types and displays prices for a common unit size and type
• Displays price and percentage differences from the cheapest item
• Optionally enter names and locations for items
• Sort items in order of increasing cost
• Save price comparisons for future reference
• Edit saved price comparisons when updates are needed
• Export/Import comparisons to/from files and e-mail for data backup and sharing

Convert Units
• Convert between a large number of unit types (weight, length, area, volume)
• Quickly swap the "from" and "to" unit types to convert in reverse

Convert Ratio
• Select different ratio combinations of prices and/or unit types to convert (e.g., $/lb = $/kg, mi/gal = L/100 km, etc.)
• Enter three values and the fourth value is calculated for you (e.g., $4.99/lb = $X/kg and X will be calculated)
• Choose which of the four values is automatically calculated as other values are changed

How Many?
• Calculate how many smaller-sized items to buy to get the total size you need (such as when buying building supplies, or ingredients for a recipe)
• Optionally enter the item price to find the total cost
• Displays how much will be left over if the amount you need isnt evenly divisible by the item size
• Displays how much the leftover amount costs
• Converts between unit types when the items unit type (e.g., ounces) is different than what you need (e.g., pounds)
• Supports a large number of units (weight/mass, length, area, volume)

Buy One, Get One (BOGO)
• Calculate total cost and savings for "Buy One, Get One" offers
• Quickly select common discount % amounts or enter a value
• Enter tax % if required

Discount %
• Calculate total cost and savings when applying a discount %
• Enter a quantity when buying more than one item
• Enter tax % if required

Expiry Date
• Compute the number of days remaining before an item expires
• Conveniently add a reminder to your calendar for when an item expires

Other
• Calculations are performed while you type, giving you immediate results
• Remembers values entered during last use
• All screens designed to work in portrait and landscape mode