PerfExpert Downloads & RevenuePerfExpert - Car Dyno HP Test · App Store & Google Play
PerfExpert - Car Dyno HP Test by Claude JOSEPH ANGELIQUE is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
PerfExpert - Car Dyno HP Test update history & changes
Last change · 37 events since 3 Jul 2011Full timeline ↓Full timeline · 37 events
- 📈PerfExpert - Car Dyno HP Test entered the top 10AndroidTop Paid · Auto & Vehicles · AE
- ✏️PerfExpert - Car Dyno HP Test: description updatedAndroid· US
- ✏️PerfExpert - Car Dyno HP Test: short description updatedAndroid· US
- 📈PerfExpert - Car Dyno HP Test entered the top 100 in 5 chartsAndroidTop Grossing · Auto & Vehicles · MX · Top Grossing · Auto & Vehicles · NL · Top Grossing · Auto & Vehicles · TH · Top Grossing · Auto & Vehicles · TR · +1 more
- 📈PerfExpert - Car Dyno HP Test charting in a new country in 5 chartsAndroidMexico · Netherlands · Thailand · Turkey · +1 more
- 📈PerfExpert - Car Dyno HP Test entered the top 10iOSTop Paid · Sports · DE
- 📦PerfExpert - Car Dyno HP Test updated to version 2.5.1Android- The Dragy DRG70 is now supported as an external GPS device
- Internal sensors: car heading changes are now allowed after initialization, until the dyno run starts
- Metric horsepower is now labelled PS instead of cv
- Slope correction: more accurate corrected results
- User interface improvements, more complete translations and bug fixes
Thanks for your feedback!… more - 📈PerfExpert - Car Dyno HP Test entered the top 100iOSTop Paid · All Apps · MY
- 📈PerfExpert - Car Dyno HP Test charting in a new countryiOSMalaysia
- 📈PerfExpert - Car Dyno HP Test entered the top 10iOSTop Paid · Sports · JP
- 📈PerfExpert - Car Dyno HP Test charting in a new countryiOSSweden
- 📈PerfExpert - Car Dyno HP Test charting in a new countryiOSSpain
- 📈PerfExpert - Car Dyno HP Test entered the top 100iOSTop Paid · Sports · JP
- 📦PerfExpert - Car Dyno HP Test updated to version 2.4.4iOS- Atmospheric conditions are retrieved faster and more reliably, especially on mobile data
- Various fixes and improvements
Thanks for your feedback! - 📈PerfExpert - Car Dyno HP Test entered the top 100iOSTop Paid · Sports · AU
- 📈PerfExpert - Car Dyno HP Test new best rank in the overall chart: #81iOSTop Paid · All Apps · FR
- 📦PerfExpert - Car Dyno HP Test updated to version 2.4.3iOS- Dyno with internal sensors: fixed the measured duration and power when a pull is interrupted and then resumed
- The external GPS now reconnects automatically after losing its connection
- RaceBox Mini, Mini S, Micro and Racebox.ru: measurements can now start with 7 satellites in view, instead of 10
- Various fixes and improvements
Since 2.4.0: External GPS is available as a one-time purchase, and PerfExpert Pro adds custom logo, cloud backup and CSV export.… more - 📈PerfExpert - Car Dyno HP Test entered the top 100iOSTop Grossing · Sports · FR
- 📈PerfExpert - Car Dyno HP Test entered the top 10iOSTop Paid · Sports · KR
- 📈PerfExpert - Car Dyno HP Test entered the top 100 in 2 chartsiOSTop Grossing · Sports · AE · Top Grossing · Sports · KR
- 📈PerfExpert - Car Dyno HP Test charting in a new countryiOSPoland
- 📈PerfExpert - Car Dyno HP Test entered the top 10iOSTop Paid · Sports · AE
- 📈PerfExpert - Car Dyno HP Test charting in a new countryiOSNetherlands
- 📈PerfExpert - Car Dyno HP Test entered the top 10iOSTop Paid · Sports · BR
- 📈PerfExpert - Car Dyno HP Test hit #1iOSTop Paid · Sports · FR
- 📈PerfExpert - Car Dyno HP Test new best rank in the overall chart: #87iOSTop Paid · All Apps · FR
- 📈PerfExpert - Car Dyno HP Test entered the top 100iOSTop Paid · All Apps · FR
- 📈PerfExpert - Car Dyno HP Test new best rank in the overall chart: #137iOSTop Paid · All Apps · FR
- 📈PerfExpert - Car Dyno HP Test entered the top 10 in 2 chartsiOSTop Paid · Sports · FR · Top Paid · Sports · IT
- 📈PerfExpert - Car Dyno HP Test charting in a new country in 4 chartsiOSAustralia · Canada · China · United Kingdom
- 📈PerfExpert - Car Dyno HP Test entered the top 100iOSTop Paid · Sports · GB
- 🆕PerfExpert - Car Dyno HP Test first spotted by AppInsiderAndroidUnited Arab Emirates
- 🆕PerfExpert - Car Dyno HP Test first spotted by AppInsideriOS#42 in Top Paid · Sports · United States
- 📦PerfExpert - Car Dyno HP Test version 2.4.2iOSNo release notes
- 📦PerfExpert - Car Dyno HP Test version 2.4.5AndroidWhat's new in 2.4.5
- New dyno tutorials for internal sensors and external GPS: new videos, plus step-by-step instructions in your language
- Fixed a crash when editing car profile parameters
- Corrected some text that could show a placeholder or stay untranslated
- START SESSION button no longer gets cut off on some displays or font sizes
Thanks for your feedback!… more - 🆕PerfExpert - Car Dyno HP Test released on the App StoreiOS
- 🆕PerfExpert - Car Dyno HP Test released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Sports PaidPerfExpert - Car Dyno HP Test at a glance
AI summary written from our chart and store data, 2026-11-08. It can be wrong: check the numbers above.
PerfExpert is a paid automotive diagnostic tool that uses smartphone sensors to estimate engine horsepower, torque, and acceleration times for car enthusiasts and tuners without requiring OBD hardware. The app holds strong positions in the French (6th) and German (22nd) paid sports charts, indicating sustained regional demand for independent performance verification tools despite its low overall rating count.
Similar apps: Torque, RaceChrono, Dragy
App Store
App details
App privacy Measured
PerfExpert - Car Dyno HP Test’s App Store privacy label declares 0 data categories used to track you across other companies’ apps and websites, 3 linked to your identity and 1 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
Google Play
App details
PerfExpert - Car Dyno HP Test downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | 50+ | 5k+ |
| Google Play | 10+ | 10k+ Measured |
| Total | 50+ Confidence | 10k+ Confidence |
How this is calculated
Where PerfExpert - Car Dyno HP Test's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
How this is calculated
Business model: Paid app
How PerfExpert - Car Dyno HP Test makes money: subscriptions, one-off purchases and ads.
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #9 Sports Paid | 14 of 30 countries | – | – |
| Google Play | #9 Auto & Vehicles Paid | 9 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 3.7 ★ | 12 |
| Google Play | 2.4 ★ | 867 40 written reviews |
| Both stores | 2.4 ★ weighted by ratings | 879 |
What users say about PerfExpert - Car Dyno HP Test
From the 17 most recent App Store reviews in the US.
Users report that the app is highly accurate for manual transmission vehicles when all parameters are correctly inputted, often matching commercial dyno results. However, many complain about poor usability, lack of support for automatic transmissions and specific vehicle models, and critical bugs in calibration and GPS tracking.
Mixed (53% of recent reviews give 4–5 stars). People like it for being useful, and few ads. The main complaints are about crashes and bugs. Recent reviews are more positive than earlier ones.
What people like
- Useful: “Very accurate, useful and stable”
- Ads: “Does not work as advertised, nor does it work for automatic transmissions”
- Price & subscription: “Waste of my money, I want a refund”
- Features & content
Common complaints
- Crashes & bugs
About PerfExpert - Car Dyno HP Test
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 objective, independent data you can trust.
HOW IT WORKS
1. Create your car profile
Enter your vehicle's weight, tire sizes, and gear ratios. Not sure about a spec? The app guides you through every step.
2. Mount your phone & accelerate
Secure your phone in the car — no connection needed. Find a flat, straight road. Accelerate in one gear from low RPM to redline. That's it.
3. Get instant results
Power and torque curves appear immediately, just like on a real chassis dynamometer. Compare runs, track your modifications, and share results.
MEASUREMENT MODES
Dyno — Full power & torque curves vs. engine RPM. Advanced drivetrain loss model, rev limiter detection, and correction standards (DIN, SAE, JIS, CEE, ISO). Results as detailed as a professional chassis dyno.
Timed Run — Measure acceleration from a standing start. Speed intervals: 0-100, 100-200, 80-180, 60-160 km/h — 0-60, 60-120, 50-110, 40-100 mph. Distance: quarter mile, eighth mile (with trap speed), 60 ft. Max speed and peak acceleration on every run.
KEY FEATURES
- 2% accuracy compared to professional chassis dynamometers
- No OBD adapter or connection to your car required
- Works with your phone's built-in sensors
- External GPS available as an in-app purchase for pro-level precision with a compatible device (RaceBox Mini, Mini S, Micro): rolling start dyno, free phone mounting
- Power correction norms: DIN, SAE, JIS, CEE, ISO — using real-time atmospheric pressure, temperature, and humidity
- Interactive charts: pinch to zoom, tap for exact values
- Export results as PNG image or shareable web link
- Custom units: HP, CV, kW for power — Nm, ft-lb, mkg for torque — km/h, mph for speed
- Works on phones and tablets
PERFEXPERT PRO (optional subscription)
- Custom logo on your results
- Cloud backup of your results
- CSV data export
WHO USES PERFEXPERT?
- Car enthusiasts who want to know their real HP and torque
- Tuners and mechanics verifying ECU remaps, chiptuning, intake, exhaust, or turbo upgrades
- Owners comparing before/after results of any modification
- Drivers timing their 0-60 mph or 0-100 km/h acceleration
- Anyone curious about their car's true performance
IMPORTANT NOTES
- Dyno mode requires a manual gearbox or an automatic with manual/sequential mode
- For best results, use a flat, straight, horizontal road with no traffic
- External GPS (in-app purchase) unlocks additional features with a compatible device (RaceBox Mini, Mini S, Micro): more reliable results, rolling s
PerfExpert - Car Dyno HP Test App Store
PerfExpert - Car Dyno HP Test is #9 in Sports Paid in France and charting in 14 of 30 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
24 Sep 2026 Sports PaidPerfExpert - Car Dyno HP Test at a glance
AI summary written from our chart and store data, 2026-11-08. It can be wrong: check the numbers above.
PerfExpert is a paid automotive diagnostic tool that uses smartphone sensors to estimate engine horsepower, torque, and acceleration times for car enthusiasts and tuners without requiring OBD hardware. The app holds strong positions in the French (6th) and German (22nd) paid sports charts, indicating sustained regional demand for independent performance verification tools despite its low overall rating count.
Similar apps: Torque, RaceChrono, Dragy
PerfExpert - Car Dyno HP Test on the App Store
App details
App privacy Measured
PerfExpert - Car Dyno HP Test’s App Store privacy label declares 0 data categories used to track you across other companies’ apps and websites, 3 linked to your identity and 1 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
PerfExpert - Car Dyno HP Test downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where PerfExpert - Car Dyno HP Test's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
How this is calculated
Business model: Paid app
How PerfExpert - Car Dyno HP Test makes money: subscriptions, one-off purchases and ads.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| France | SportsPaid | #9 |
 Germany | SportsPaid | #13 |
| United States | SportsPaid | #80 |
 Brazil | SportsPaid | #26 |
 Japan | SportsPaid | #120 |
 Italy | SportsPaid | #37 |
 Russia | SportsPaid | #38 |
 India | SportsPaid | #63 |
 South Korea | SportsPaid | #105 |
 United Arab Emirates | SportsPaid | #37 |
| Saudi Arabia | SportsPaid | #66 |
 Indonesia | SportsPaid | #69 |
 Australia | SportsPaid | #153 |
 Canada | SportsPaid | #161 |
Apps near PerfExpert - Car Dyno HP Test on the chart
Sports Paid, around #9.
Ratings
App Store, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about PerfExpert - Car Dyno HP Test
From the 17 most recent App Store reviews in the US.
Users report that the app is highly accurate for manual transmission vehicles when all parameters are correctly inputted, often matching commercial dyno results. However, many complain about poor usability, lack of support for automatic transmissions and specific vehicle models, and critical bugs in calibration and GPS tracking.
Mixed (53% of recent reviews give 4–5 stars). People like it for being useful, and few ads. The main complaints are about crashes and bugs. Recent reviews are more positive than earlier ones.
What people like
- Useful: “Very accurate, useful and stable”
- Ads: “Does not work as advertised, nor does it work for automatic transmissions”
- Price & subscription: “Waste of my money, I want a refund”
- Features & content
Common complaints
- Crashes & bugs
About PerfExpert - Car Dyno HP Test
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 objective, independent data you can trust.
HOW IT WORKS
1. Create your car profile
Enter your vehicle's weight, tire sizes, and gear ratios. Not sure about a spec? The app guides you through every step.
2. Mount your phone & accelerate
Secure your phone in the car — no connection needed. Find a flat, straight road. Accelerate in one gear from low RPM to redline. That's it.
3. Get instant results
Power and torque curves appear immediately, just like on a real chassis dynamometer. Compare runs, track your modifications, and share results.
MEASUREMENT MODES
Dyno — Full power & torque curves vs. engine RPM. Advanced drivetrain loss model, rev limiter detection, and correction standards (DIN, SAE, JIS, CEE, ISO). Results as detailed as a professional chassis dyno.
Timed Run — Measure acceleration from a standing start. Speed intervals: 0-100, 100-200, 80-180, 60-160 km/h — 0-60, 60-120, 50-110, 40-100 mph. Distance: quarter mile, eighth mile (with trap speed), 60 ft. Max speed and peak acceleration on every run.
KEY FEATURES
- 2% accuracy compared to professional chassis dynamometers
- No OBD adapter or connection to your car required
- Works with your phone's built-in sensors
- External GPS available as an in-app purchase for pro-level precision with a compatible device (RaceBox Mini, Mini S, Micro): rolling start dyno, free phone mounting
- Power correction norms: DIN, SAE, JIS, CEE, ISO — using real-time atmospheric pressure, temperature, and humidity
- Interactive charts: pinch to zoom, tap for exact values
- Export results as PNG image or shareable web link
- Custom units: HP, CV, kW for power — Nm, ft-lb, mkg for torque — km/h, mph for speed
- Works on phones and tablets
PERFEXPERT PRO (optional subscription)
- Custom logo on your results
- Cloud backup of your results
- CSV data export
WHO USES PERFEXPERT?
- Car enthusiasts who want to know their real HP and torque
- Tuners and mechanics verifying ECU remaps, chiptuning, intake, exhaust, or turbo upgrades
- Owners comparing before/after results of any modification
- Drivers timing their 0-60 mph or 0-100 km/h acceleration
- Anyone curious about their car's true performance
IMPORTANT NOTES
- Dyno mode requires a manual gearbox or an automatic with manual/sequential mode
- For best results, use a flat, straight, horizontal road with no traffic
- External GPS (in-app purchase) unlocks additional features with a compatible device (RaceBox Mini, Mini S, Micro): more reliable results, rolling s
Latest updates
PerfExpert - Car Dyno HP Test Android
PerfExpert - Car Dyno HP Test is #9 in Auto & Vehicles Paid on Google Play in Saudi Arabia and charting in 9 of 23 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
Auto & Vehicles PaidPerfExpert - Car Dyno HP Test on Google Play
App details
PerfExpert - Car Dyno HP Test downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where PerfExpert - Car Dyno HP Test's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
How this is calculated
Business model: Paid app
How PerfExpert - Car Dyno HP Test makes money: subscriptions, one-off purchases and ads.
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Saudi Arabia | Auto & VehiclesPaid | #9 |
| United Arab Emirates | Auto & VehiclesPaid | #9 |
| India | Auto & VehiclesGrossing | #69 |
 Thailand | Auto & VehiclesPaid | #9 |
 Vietnam | Auto & VehiclesPaid | #9 |
 Mexico | Auto & VehiclesGrossing | #71 |
| Saudi Arabia | Auto & VehiclesGrossing | #70 |
| Indonesia | Auto & VehiclesGrossing | #70 |
 Turkey | Auto & VehiclesGrossing | #70 |
| United Arab Emirates | Auto & VehiclesGrossing | #71 |
 Netherlands | Auto & VehiclesGrossing | #75 |
| Thailand | Auto & VehiclesGrossing | #70 |
| Vietnam | Auto & VehiclesGrossing | #72 |
Apps near PerfExpert - Car Dyno HP Test on the chart
Auto & Vehicles Paid, around #9.
Ratings
Google Play, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about PerfExpert - Car Dyno HP Test
From the 60 most recent Google Play reviews in the US.
Users report frequent failures during calibration and measurement sessions, citing inconsistent results and app crashes. While some praise the accuracy when it works, many feel the paid version is unreliable and customer support is unresponsive.
Mostly negative (45% of recent reviews give 4–5 stars). People like it for regular updates, and its features and content. The main complaints are about price and subscriptions, and crashes and bugs. Recent reviews are more negative than earlier ones.
What people like
- Updates: “The option for entering weather manually is good for stopping extra weather updates”
- Features & content: “The option for entering weather manually is good for stopping extra weather updates”
- Fun: “Fun to mess around with not too far off suprisingly!!!!”
- Useful: “The app works great when setup correctly”
Common complaints
- Price & subscription: “Total waste of time and money!”
- Crashes & bugs: “App is horrible doesn't work correctly at all waste 15$”
- Updates: “has an update messed it up?”
- Features & content: “I carefully followed calibration instructions, put in the gear ratios, vehicle weight including passengers, fuel level and "cargo", weather conditions, etc”
About PerfExpert - Car Dyno HP Test
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 objective, independent data you can trust.
⸻
HOW IT WORKS
1️⃣ Create your car profile
Enter your vehicle's weight, tire sizes, and gear ratios. Not sure about a spec? The app guides you through every step.
2️⃣ Mount your phone & accelerate
Secure your phone in the car — no connection needed. Find a flat, straight section on a closed track or private ground. Accelerate in one gear from low RPM to redline. That's it.
3️⃣ Get instant results
Power and torque curves appear immediately, just like on a real chassis dynamometer. Compare runs, track your modifications, and share results.
⸻
MEASUREMENT MODES
🔴 Dyno — Full power & torque curves vs. engine RPM. Advanced drivetrain loss model, rev limiter detection, and correction standards (DIN, SAE, JIS, CEE, ISO). Results as detailed as a professional chassis dyno.
🟢 Timed Run — Measure acceleration from a standing start. Speed intervals: 0-100, 100-200, 80-180, 60-160 km/h — 0-60, 60-120, 50-110, 40-100 mph. Distance: quarter mile, eighth mile (with trap speed), 60 ft. Max speed and peak acceleration on every run.
⸻
KEY FEATURES
- Only 2% average deviation from professional chassis dynamometers
- No OBD adapter or connection to your car required
- Works with your phone's built-in sensors
- External GPS available as an in-app purchase for pro-level precision with a compatible device (Dragy Pro, Lite, DRG70 · RaceBox Mini, Mini S, Micro): rolling start dyno, slope correction, free phone mounting
- Power correction norms: DIN, SAE, JIS, CEE, ISO — using real-time atmospheric pressure, temperature, and humidity
- Interactive charts: pinch to zoom, tap for exact values
- Export results as PNG image or shareable web link
- Custom units: HP, CV, kW for power — Nm, ft·lb, mkg for torque — km/h, mph for speed
- Works on phones and tablets
⸻
PERFEXPERT PRO (optional subscription)
- Custom logo on your results
- Cloud backup of your results
- CSV data export
⸻
WHO USES PERFEXPERT?
- Car enthusiasts who want to know their real HP and torque
- Tuners & mechanics verifying ECU remaps, chiptuning, intake, exhaust, or turbo upgrades
- Owners comparing before/after results of any modification
- Drivers timing their 0-60 mph or 0-100 km/h acceleration
- Anyone curious about their car's true performance
⸻
IMPORTANT NOTES
- Dyno mode requires a manual gearbox or an automatic with manual/sequential mode
- For best results, use a flat, straight, horizontal section on a closed track or private ground
- External GPS (in-a
What's new in 2.5.1
- Internal sensors: car heading changes are now allowed after initialization, until the dyno run starts
- Metric horsepower is now labelled PS instead of cv
- Slope correction: more accurate corrected results
- User interface improvements, more complete translations and bug fixes
Thanks for your feedback!
Store changes
What PerfExpert - Car Dyno HP Test changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Similar apps
Apps people compare with PerfExpert - Car Dyno HP Test: the same core purpose or gameplay, checked one by one.
