Zen Cart BOGO Discounts

You want BOGO for Zen Cart? I've got it. All you need to do is decide on the solution that's right for your store.

Module Options
Zen Cart Better Together - Buy one product or category, get another one product or category at a discount. Selection: Products or categories may be selected
Counts: Quantity 1 of one item as a condition; quantity 1 of one item as a discount
Configuration: Using PHP; Admin GUI sold separately.
Examples: Buy 1, get 1 at a discount.
Zen Cart Combination Discounts - Buy some-number-of product or category or item with specified price, (and optionally additional some-number-of-product or category or item with specified price) get another some-number-of product or category or item with specified price at a discount. Selection: Products, categories or items at a specific price may be selected
Counts: Any quantity of one or more item(s) as a condition; any quantity of one item as a discount
Configuration: Using PHP; Admin GUI sold separately.
Examples: Buy 2, get 1 at a discount; Buy A and B, get C at a discount.
Zen Cart Big Chooser - Buy arbitrary grouping of items, get a discount on other products or combinations of products. Selection: Products, categories, items with specific prices, items at a specified price level or greater, or items from a specific manufacturer may be selected
Counts: Any quantity of one or more items as a condition; any quantity of one or more items as a discount
Configuration: Using PHP only; no GUI available.
Examples: Buy A and B, get C, D and F at a discount.
Zen Cart Free Gift Chooser - Buy arbitrary grouping of items, get a discount on other products or combinations of products. Selection: Products or categories may be selected
Counts: Any quantity of one or more items as a condition; any quantity of one or more items as a discount
Configuration: Using built-in GUI.
Examples: Buy A and B, get C, D and F free; Buy A or B, get C or D free.
Zen Cart BOGO Discount - Buy some-number-of items, get some-number-of items at a discount, applied to the entire inventory. Selection: Discounts apply to entire cart. Grouping can be by item id excluding attributes, item id including attributes, item parent category, item top level category, or without restriction.
Counts: Any quantity of items as a condition; any quantity of items as a discount
Configuration: Through Zen Cart Admin; because the discount applies to the entire catalog, less configuration is required.
Examples: Buy 2, get 1 free (all items), buy 3, get 1 half off (all items).