--- title: "PerfExpert — App Overview" url: https://marlvel.ai/intel-report/sports/com-jameca-perfexpert category: Sports developer: Claude JOSEPH ANGELIQUE platforms: ios rating: 3.7 (12 ratings) pricing: paid report_level: overview generated: 2026-04-27 last_verified: "2026-04-27T10:10:40.830Z" --- > **Key Insight:** The app's accuracy is highly dependent on the user providing precise vehicle specifications and secure phone mounting. | Metric | Value | |--------|-------| | Category | Sports | | Rating | 3.7 ★ (12) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 2.3.1 | | Developer | Claude JOSEPH ANGELIQUE | ## What is PerfExpert? PerfExpert is a mobile-based onboard dyno that measures engine power, torque curves, and acceleration times without requiring OBD or external hardware. It provides automotive enthusiasts with an affordable, sensor-based alternative to commercial dyno testing for verifying tuning and performance upgrades. ## Key Features - **Onboard Dyno**: Calculates real engine power and torque curves using the smartphone's internal sensors. - **Performance Timer**: Measures acceleration metrics including 0–60 mph, 0–100 km/h, and quarter-mile times. - **Detailed Reporting**: Generates performance results presented through interactive charts and comprehensive reports. - **Vehicle Profiling**: Allows users to input specific vehicle data such as curb weight, tire size, and displacement to calibrate measurements. ## Who is it for? Automotive enthusiasts and tuners looking to measure vehicle performance gains independently. ## Links - [App Store](https://apps.apple.com/us/app/perfexpert/id549390700?uo=2) - [Full Intelligence Report](https://marlvel.ai/intel-report/sports/com-jameca-perfexpert) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/sports/com-jameca-perfexpert).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*