Astro is an App Store Optimization (ASO) tool designed to help developers and marketers improve the visibility and performance of their apps on Apple’s App Store. It focuses on keyword research, ranking analysis, and optimization insights, enabling users to make more informed decisions about how to position their apps in search results.

The product is delivered primarily as a macOS desktop application, with a supporting website for distribution and documentation. It analyzes data from the App Store and third-party sources to provide keyword suggestions, search volume estimates, ranking data, and competitive insights.

Astro addresses a common challenge in mobile app growth: understanding which keywords drive discovery and how to optimize metadata effectively. Instead of manually analyzing App Store data, users can rely on Astro to aggregate and interpret this information, helping them identify high-impact keywords and track performance over time.

The tool operates on a subscription model and is intended for professional use by developers, marketers, and ASO specialists. It emphasizes privacy by storing user project data locally on the device and minimizing data collection.

Astro is positioned as a focused, lightweight alternative to broader mobile analytics platforms, prioritizing keyword intelligence and simplicity over full-scale marketing dashboards.

Key features include:

• Keyword research and suggestion engine for App Store optimization
• Tracking of keyword rankings and app performance
• Search volume estimates and competitive keyword insights
• macOS desktop application with local data storage
• Privacy-focused approach with minimal data collection

Common use cases include:

• Improving App Store search rankings
• Discovering high-performing keywords
• Tracking keyword performance over time
• Optimizing app metadata, and supporting ASO strategies for iOS apps

Astro is developed by 28 bit S.R.L., a company based in the Republic of San Marino focused on building tools for developers and app growth professionals.