apps / 549390700
PerfExpert
Dyno and acceleration test
Claude JOSEPH ANGELIQUE · Sports · $12.99 · US storefront
- rating
- 3.7 ★
- ratings
- 12
- updated
- Jun 4, 2025
- released
- Aug 8, 2012
v2.3.1
visible word pool · 5 words
title 10/30 chars · subtitle 26/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of PerfExpert's pool that are public — the keyword field is not exposed by any API.
from the listing
Turn your smartphone into a powerful onboard dyno! Measure your car’s real engine power and torque with 2% accuracy — all by performing a simple acceleration! Verify the effectiveness of your tuning, remaps, or upgrades with an independent, objective, and affordable solution. ------------- What is PerfExpert? PerfExpert – Car Onboard Dyno & Timer is a professional-grade app that lets you measure your car’s real performance: • Engine power & torque curves • 0–60 mph / 0–100…
latest US reviews
★★★★★
Calibration
Once I go through the calibration routine, it gives me no choice to move onto a test-only a “back” button that takes me back to the “calibration” button, forcing me to start over, in a circle. What may I be doing wrong?
— Viper corvette stang lover
★★★★★
Helped tune and see HP gains with a turbo
If you get all the parameters right, it’s accurate to +- 5 HP. This app worked so well for me and helped me visualize and tune power gains for my old 86 300ZX, recently turbocharged.
— UlyZ300
★★★★★
Don’t do it
Does not work at all
— Tasheemie
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