Master AutoTech

Master AutoTech Shops, Inc.

About this app

Master AutoTech, formerly known as Master Muffler, has been maintaining the vehicle to your freedom since 1963. We’re now, and have always been, your helpful, trusted, auto expert.

Master AutoTech combines advanced patent-pending technology with powerful insights by effortlessly accessing key vehicle data.
Features include:
• Monitor essential vehicle data in real time: VIN, odometer, miles since last DTC, pending/active DTCs, and battery voltage.
• Schedule service for diagnostics, maintenance, or repairs directly through the app.

Note: Master AutoTech is currently not compatible with smartwatches. For Terms of Use and more information, visit https://www.masterauto.tech © 2025 Master AutoTech.

What’s new

• Improved vehicle onboarding experience.
• Minor UI improvements.
• Minor stability and bug fixes.