Amazon Price Tracker

Android app that wraps Amazon's website with extra features.

Screenshots

Main screen	Tracked products

Features

• Browse Amazon with built-in tracker/ad blocking
• Track products and get price drop alerts
• Auto 5% price decrease alert when tracking new products
• Price comparison bar: current price, list/median price, lowest price in 30 days
• Push notifications for price alerts
• Configurable background check frequency (1h - daily, or off)
• Login support (session/cookies preserved)
• 10 Amazon regions supported (IT, US, UK, DE, FR, ES, JP, AU, IN, BR)
• No desktop mode — mobile layout for cleaner extraction

Install

Download the APK from Releases and install it.

Or build from source:

export JAVA_HOME=/path/to/jdk-17
export ANDROID_HOME=/path/to/android-sdk
gradle assembleDebug

Tech Stack

• Kotlin, Android SDK 34
• Room (SQLite) for local database
• WorkManager for background price checks
• OkHttp for HTTP requests
• WebView with JS injection for price extraction

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For an overview of all my other projects, see https://adegard.github.io/blog/