How Do Chocolate Digestives Brands compare for half the price

How do McVitie's Chocolate Digestives compare to home store brands.
Full Chocolate contents listed below.
McVitie's Milk Chocolate Digestive Biscuits Ingredients Flour (39%) (Wheat Flour, Calcium, Iron, Niacin, Thiamin), Milk Chocolate (30%) [Sugar, Cocoa Butter, Cocoa Mass, Dried Skimmed Milk, Dried Whey (Milk), Butter Oil (Milk), Vegetable Fats (Palm, Shea), Emulsifiers (Soya Lecithin, E476), Natural Flavouring], Vegetable Oil (Palm), Wholemeal Wheat Flour (9%), Sugar, Glucose Fructose Syrup, Raising Agents (Sodium Bicarbonate, Malic Acid, Ammonium Bicarbonate), Salt
ASDA Ingredients Fortified Wheat Flour [Wheat Flour, Calcium Carbonate, Iron, Niacin (B3), Thiamin (B1)], Milk Chocolate (27%) [Sugar, Cocoa Butter, Cocoa Mass, Skimmed Milk Powder, Whey Powder (Milk), Buttera Oil (Milk), Vegetable Fats and Oil [Sal Oil, Shea Butter, Palm Oil], Emulsifiers (Soya Lecithins, Polyglycerol, Polyricinoleate), Flavouring], Palm Oil, Sugar, Wholemeal Wheat Flour, Glucose Fructose Syrup, Raising Agents (Sodium Carbonates, Ammonium Carbonates), Salt
Tesco INGREDIENTS: Wheat Flour [Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin], Milk Chocolate (27%) [Sugar, Cocoa Butter, Dried Skimmed Milk, Cocoa Mass, Whey Powder (Milk), Milk Fat, Emulsifiers (Soya Lecithins, Polyglycerol Polyricinoleate), Palm Oil, Sal Fat, Shea Fat], Palm Oil, Sugar, Wholemeal Wheat Flour, Partially Inverted Sugar Syrup, Raising Agents (Sodium Bicarbonate, Ammonium Hydrogen Carbonate), Salt.
Sainsbury Ingredients Fortified Wheat Flour (Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Milk Chocolate (28%) (Sugar, Cocoa Mass, Cocoa Butter, Skimmed Cows' Milk Powder, Whey Powder (Cows' Milk), Palm Fat, Cows' Milk Fat, Emulsifier: Soya lecithin), Palm Oil, Sugar, Barley Malt Extract, Glucose Syrup, Whole Cows' Milk Powder, Raising Agents: Ammonium Hydrogen Carbonate, Sodium Hydrogen Carbonate; Salt, Flavouring
Morrisons Ingredients Wheat Flour (Wheat Flour, Calcium Carbonate, Niacin, Iron, Thiamin), Milk Chocolate (27%) (Sugar, Cocoa Butter, Cocoa Mass, Dried Skimmed Milk, Whey Powder (Milk), Butter Oil (Milk), Vegetable Fats (Sal Fat, Shea Butter, Palm Oil), Emulsifiers (Soya Lecithins, Polyglycerol Polyricinoleate), Flavouring), Palm Oil, Sugar, Wholemeal Wheat Flour, Glucose-Fructose Syrup, Raising Agents (Sodium Carbonates, Ammonium Carbonates), Salt, Milk Solids 14% minimum, Cocoa Solids 25% minimum