pricetracker
nounUK /ˈpraɪsˌtræk.ər/
US /ˈpraɪsˌtræk.ɚ/
A tool that watches how much something costs.
I used a pricetracker to see when the toy went on sale.
OTHER MEANINGS
2. A website or app that shows price changes over time.
The pricetracker showed the laptop was cheaper last month.
3. A person who keeps a record of prices.
The store hired a pricetracker to compare prices with other shops.
4. A feature in a shopping app that alerts you when a price drops.
Turn on the pricetracker so you get a message when the shoes cost less.