# Unit Price Calculator & Book

> Compare unit prices and save shopping price history

Canonical page: [https://chrome-stats.com/d/com.price.defender](https://chrome-stats.com/d/com.price.defender)

## Overview

- **ID:** `com.price.defender`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** NoMi
- **Category:** TOOLS
- **Downloads:** 60
- **Last updated:** 2026-08-24
- **First published:** 2026-06-12
- **Publisher country:** JP
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.price.defender)
- **Website:** [https://normalmemo-171402.web.app/](https://normalmemo-171402.web.app/)
- **Privacy policy:** [https://normalmemo-171402.web.app/index.html](https://normalmemo-171402.web.app/index.html)

## Description

Price can be misleading when package sizes are different.<br>Price Defender is a fast unit price calculator and personal price book for grocery shopping, household supplies, refills, bulk packs, and shrinkflation checks.<br><br>Compare two products<br><br>Enter the price and amount for Item A and Item B. Price Defender calculates the unit price and shows which option is cheaper.<br><br>Save prices to your own price book<br><br>After comparing, save the price with a product name and optional store name. Your price book shows the latest price, your best saved price, and how the current price compares with previous entries.<br><br>Track price changes over time<br><br>Open a product history to review saved entries. This helps you notice when a product gets smaller, when the unit price rises, or when today’s price is above your usual best price.<br><br>Useful in real shopping situations<br><br>- Grocery sizes that look similar but contain different amounts<br>- Refill packs versus bottles<br>- Bulk packs versus regular packs<br>- Sale prices, amount-off deals, tax-excluded prices, and point rewards<br>- Products sold by weight, volume, or count<br><br>Supported units<br><br>g, kg, ml, L, oz, lb, fl oz, and pcs.<br>Switch between per 1 unit and per 100 units where appropriate.<br><br>Designed for quick input<br><br>The built-in numeric keypad keeps price and amount entry simple. The app moves through the input fields in order, so you can compare prices without fighting the standard keyboard.<br><br>No account required<br><br>Price Defender is an ad-supported utility app. It is designed to help you make calmer, evidence-based buying decisions before you put an item in the cart.

## Rankings

- #2,201,112 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.price.defender)