Mockup Master
High-Fidelity Mock Data Injector & Headless ADB CLI Generator for Android Developers.
๐ผ๏ธ Visual Showcase & Highlights

The ultimate developer utility for Android. Instantly populate any emulator or physical device with realistic, high-quality mock data including Contacts, SMS threads, and Call Logs for UI stress-testing and demonstration.
Developer Superpowers
Bulk create contacts with full names, multiple phone numbers, emails, and placeholder avatars. Perfect for testing contact lists and search logic.
Create entire conversation histories between different numbers. Supports Sent, Received, Draft statuses and even MMS simulation.
Generate Incoming, Outgoing, and Missed call entries with randomized durations to simulate years of device usage in seconds.
Safe, surgical wipe of all mock data. Tracks every entry it creates so your personal or other test data remains completely untouched.
๐ Developer User Guide
Launch app and grant permissions for Contacts, SMS, and Call Logs. To mock SMS, set Mockup Master as default SMS app temporarily.
Choose entry quantity (10, 50, 100+) and select presets like Corporate or Social to tailor data to your app needs.
Hit Generate. Watch system databases populate in real-time, then switch to your app to verify performance under load.
Save mock scenarios as JSON or CSV files to share with QA teams for consistent testing across emulators.
๐ฒ Download & Releases
No binary release has been published to GitHub Releases yet. You can inspect the source code or install via Google Play above.