Dealophant, the real cost per unit on every Amazon product
Dealophant is a free price-per-unit comparison search engine for Amazon. It ranks listings by price per unit, such as per ounce, per fluid ounce, per 100 sheets, per pod, or per battery. Prices come from Amazon search results and can be up to 15 minutes old.
In season
Halloween: Halloween Candy · Halloween Treat Bags · Glow Sticks
Thanksgiving hosting: Aluminum Foil · Paper Plates · Plastic Cups · Baking Flour · Sugar · Stuffing Mix · Coffee K-Cups
Hunting season: Hand Warmers · Scent Control Spray · Trail Camera SD Cards · Fire Starters
Search a category
Compare prices across 50+ everyday categories on dedicated landing pages:
- Toilet paper · Paper towels · Trash bags · Laundry detergent · Dish soap
- K-Cups · Nespresso pods · Energy drinks · Bottled water · Canned soda
- Diapers · Baby wipes · Baby formula
- Protein powder · Protein bars · Vitamins
- Dog food · Cat food · Cat litter · Dog treats
- Batteries · Light bulbs · Aluminum foil · Plastic wrap
- See all categories
How it works
Each search picks one unit (ounces, fluid ounces, or a count such as pods or 100 sheets) and ranks the listings that can be measured in that unit by price per unit. Listings that cannot be measured in it are shown separately under "Other formats".
Read the full methodology · Machine-readable methodology (llms.txt) · Prime Day deals, checked against 90-day prices · Black Friday deals, checked against 90-day prices
Frequently asked questions
- What is Dealophant?
- A free price-per-unit comparison search engine for Amazon products. Live PA-API data, ranked by true per-unit cost.
- Is Dealophant affiliated with Amazon?
- No. Dealophant is independent commentary on publicly listed Amazon prices, operated by CommQuest. Outbound links carry an Amazon Associates partner tag.
- How current are the prices?
- A repeat of the same search can be up to 15 minutes old, and Amazon can change a price again before you click. Confirm on Amazon.