PerfExpert - Car Dyno HP Test: iPhone vs Android
PerfExpert - Car Dyno HP Test by Claude JOSEPH ANGELIQUE is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Sports PaidPerfExpert - Car Dyno HP Test at a glance
AI summary written from our chart and store data, 2026-09-27. It can be wrong: check the numbers above.
PerfExpert is a paid automotive diagnostic tool that uses smartphone sensors to estimate horsepower, torque, and acceleration times without requiring OBD hardware, targeting car enthusiasts and tuners seeking independent performance verification. The app holds strong positions in the Italian (#3) and French (#4) paid sports charts but sees significantly lower visibility in major English-speaking markets like the UK (#24) and US (absent), indicating a niche European user base despite its global feature set.
Similar apps: Dragy, RaceChrono, Torque Pro
App Store
App details
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 |
|---|---|---|
| iPhone | – | 1k+ |
| Google Play | – | 10k+ Measured |
| Total | – | 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.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
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.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 3.7 ★ | 12 |
| Google Play | 2.5 ★ | 862 40 written reviews |
| Both stores | 2.5 ★ weighted by ratings | 874 |
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 configured correctly, but it fails completely for many automatic or unsupported cars. Significant complaints focus on a broken calibration loop, lack of vehicle database coverage, and poor customer service regarding refunds.
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 iPhone
PerfExpert - Car Dyno HP Test is #10 in Sports Paid in France and charting in 12 of 24 countries we track.
Updated 28 Sep 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, 2026-09-27. It can be wrong: check the numbers above.
PerfExpert is a paid automotive diagnostic tool that uses smartphone sensors to estimate horsepower, torque, and acceleration times without requiring OBD hardware, targeting car enthusiasts and tuners seeking independent performance verification. The app holds strong positions in the Italian (#3) and French (#4) paid sports charts but sees significantly lower visibility in major English-speaking markets like the UK (#24) and US (absent), indicating a niche European user base despite its global feature set.
Similar apps: Dragy, RaceChrono, Torque Pro
PerfExpert - Car Dyno HP Test on the App Store
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.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend in PerfExpert - Car Dyno HP Test before Apple and Google take their fee.
How this is calculated
Business model: In-app purchase-led
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 24 countries.
| Country | Charts | Rank |
|---|---|---|
| France | SportsPaid | #10 |
| Italy | SportsPaid | #7 |
 United Kingdom | SportsPaid | #24 |
 Brazil | SportsPaid | #25 |
 Germany | SportsPaid | #54 |
 Japan | SportsPaid | #121 |
 Russia | SportsPaid | #41 |
 India | SportsPaid | #62 |
 United Arab Emirates | SportsPaid | #38 |
 Saudi Arabia | SportsPaid | #65 |
 Indonesia | SportsPaid | #70 |
 Canada | SportsPaid | #164 |
Apps near PerfExpert - Car Dyno HP Test on the chart
Sports Paid, around #10.
Ratings
App Store, worldwide.
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 configured correctly, but it fails completely for many automatic or unsupported cars. Significant complaints focus on a broken calibration loop, lack of vehicle database coverage, and poor customer service regarding refunds.
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 #67 in Auto & Vehicles Grossing on Google Play in India and charting in 4 of 15 countries we track.
Updated 28 Sep 2026 · rankings refresh through the day
Auto & Vehicles GrossingPerfExpert - 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
In-app revenue
Worldwide, what users spend in PerfExpert - Car Dyno HP Test before Apple and Google take their fee.
How this is calculated
Business model: In-app purchase-led
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 15 countries.
| Country | Charts | Rank |
|---|---|---|
| India | Auto & VehiclesGrossing | #67 |
| Saudi Arabia | Auto & VehiclesGrossing | #69 |
| Indonesia | Auto & VehiclesGrossing | #70 |
| United Arab Emirates | Auto & VehiclesGrossing | #70 |
Apps near PerfExpert - Car Dyno HP Test on the chart
Auto & Vehicles Grossing, around #67.
Ratings
Google Play, worldwide.
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 road. 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
- 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, 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 road with no traffic
- External GPS (in-app purchase) unlocks additional features with a compatible device (RaceBox Mini, Mini S, Micro
What'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!