Price and ratings
- Price
- $8.99
- Rating
- 3.7 out of 5
- Ratings
- 12United States
Versions
- Released
- 8 Aug 201214 years ago
- Last update
- 17 days agoVersion 2.4.2
- Requires
- iOS 15.0 or later
Details
- Size
- 31.4 MB
- Languages
- 12
Know your car's true performance. Turn your smartphone into a professional dyno. Measure the real horsepower and torque of your engine — within 2% of a chassis dynamometer — and time your car's acceleration. No OBD adapter, no cables, no expensive dyno sessions. Just mount your phone, accelerate, and get instant results. Test and compare performance upgrades. Whether you're verifying an ECU remap, testing a new exhaust, or tracking the effect of a chiptuning session, PerfExpert gives you…
Competitors
Full chartTop of Paid · Sports in France. PerfExpert - Car Dyno HP Test is #21 there. Changes are over 7 days.
- #1 (number one)Change unknown
Rally CallTiste - #2Change unknown
RaceChrono ProRaceChrono Oy - #3Change unknown
ARadarRoberto Viola - #4Change unknown
QZ FitnessRoberto Viola - #5Change unknown
Copilote MasterLaurent PARODI - #6Change unknown
FlyskyhyRenevision - #7Change unknown
- #8Change unknown
TSD Rallynstudio - #9Change unknown
Shot TracerVisual Vertigo Software Technologies GmbH - #10Change unknown
My SprintPedro Jimenez Reyes - #11Change unknown
BikeeSammy Azdoufal - #12Change unknown
RacquetTune - String TensionSten Kaiser - #13Change unknown
Rugby Referee WatchBart Vullings - #14Change unknown
SprintTimer - Photo FinishSten Kaiser - #15Change unknown
Chairgun Elite Ballistic ToolBallistic Solutions LLC - #16Change unknown
MultiChronoAlvaro Maroto Conde - #17Change unknown
LapTracker - Auto TimerSten Kaiser - #18Change unknown
iAnalyzeWinning Edge Apps, Inc - #19Change unknown
Pacenotes ProMiroslav Grgic - #20Change unknown
My Jump 2Carlos Balsalobre
Store listing
How the app presents itself on the App Store. Select a screenshot to open it full size.
What's new
Version 2.4.2 · 21 Sep 2026 · 17 days ago
What's new in PerfExpert 2.4.2: - Fixed Timed Run with external GPS: the run now ends automatically when you slow down Previous updates: 2.4.1: - New dyno tutorials for internal sensors and external GPS: new videos, plus step-by-step instructions in your language - Added the ability to recover car profiles from a previous session that is no longer accessible, from Settings > Recover my data - Wider tyre sizes in car profiles - Corrected some text that could show a placeholder or stay untranslated - Bug fixes and stability improvements 2.4.0: - External GPS Unlock: now available as a one-time purchase — yours forever - PerfExpert Pro: subscribe to unlock custom logo on your charts, cloud backup, and CSV data export - Custom chart logo: add your own logo or brand to your dyno and acceleration reports (Pro) - Redesigned export image: cleaner and easier to read - Cloud backup: your results are now safely stored in the cloud (Pro) - Atmospheric conditions: more accurate temperature, pressure and humidity, with a more reliable retrieval - Correction norm can now be disabled - Bug fixes and stability improvements
Current rankings
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| France· Paid · Sports | #21 | Change unknown | Change unknown | #21 | 1 |
| Brazil· Paid · Sports | #28 | Change unknown | Change unknown | #28 | 1 |
| Germany· Paid · Sports | #42 | Change unknown | Change unknown | #42 | 1 |
| United States· Paid · Sports | #47 | Change unknown | Change unknown | #45 | 1 |
| India· Paid · Sports | #61 | Change unknown | Change unknown | #61 | 1 |
Rank history
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Ranking events
Entries, big moves, #1s and new versions we've recorded.
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Events appear as the app enters charts, moves 25+ places or ships a new version.