Comparison

PerfExpert vs Dyno

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PerfExpert

Transform your smartphone into a powerful onboard dyno to measure your car's engine power and torque with high accuracy. Verify tuning, remaps, and upgrades with detailed reports and interactive charts. No external sensors or car connection required.

Highlights
  • Engine power and torque measurement
  • 0-60 mph and 0-100 km/h acceleration times
  • Quarter mile and 400m times
  • Detailed reports with interactive charts
  • Correction standards (DIN, SAE, ISO, JIS, CEE)
  • Customizable units
  • Export results as data files or images
Features
Currently charting
Read full description

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 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 start dyno (no need to stop before measuring), and free phone orientation Sample dyno and acceleration reports: https://app.perfexpert-app.com/results/featured FAQ and support: https://www.perfexpert-app.com/faq Join the PerfExpert community: https://www.facebook.com/groups/perfexpert/ Privacy Policy: https://www.perfexpert-app.com/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Dyno

Features
Read full description

Aplikacja mobilna stworzona z myślą o klientach klubu Dyno Climbing Center. Aplikacja mobilna Centrum Wspinaczkowego Dyno umożliwia m.in.: utworzenie konta przez użytkownika zalogowanie się na konto użytkownika zarządzanie danymi osobowymi w profilu, w tym zaznaczanie i odznaczanie zgód, dodanie zdjęcia profilowego, zmiana hasła sprawdzenie grafiku zajęć za pomocą kalendarza i dostępnych filtrów rezerwacji miejsc na zajęciach, jak również rezygnacji z takiej rezerwacji dodawanie zajęć do ulubionych ocena kursu podgląd karnetów klienta, w tym dostęp do informacji o ważności karnetów i/lub liczbie pozostałych wejść wyświetlenie kodu QR umożliwiającego wejście do klubu sprawdzenie danych adresowych klubu, a także dostęp do klubowego adresu e-mail i linków do mediów społecznościowych usunięcie konta

Screenshots

PerfExpert4 screens
Dyno4 screens

Verdict

The call

The clearest difference is price: Dyno at Free against PerfExpert's $8.99. Dyno also leads on in-app purchases (none vs 8) and iOS requirement (12.0 vs 15.0). PerfExpert's advantage is chart position (#37 vs unranked). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Dyno is free to download; PerfExpert costs $8.99 up front. PerfExpert sells 8 in-app purchases, starting at $11.99 per month. Dyno asks for nothing beyond the download.

Scorecard4 real differences · 7 level
PerfExpert versus Dyno: the parameters behind the verdict, then further details
ParameterPerfExpertDyno
Price$8.99Free — better
Rating3.7 (12 ratings) — better—
Positive reviews63.4% of reviews—
Number of ratings12 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#37 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size30 MB35 MB
Age rating4+4+
DeveloperClaude JOSEPH ANGELIQUEGYMMANAGER SP Z O O

In-app purchases

8 purchases

PerfExpert

Subscriptions4
  • PerfExpert Pro$11.991 Month
  • PerfExpert Pro Max$24.991 Month
  • PerfExpert Pro$89.991 Year
Show 1 more
  • PerfExpert Pro Max$199.991 Year
One-time4
  • 1 Extra Car Profile$3.99
  • 3 Extra Car Profiles$9.99
  • 5 Extra Car Profiles$14.99
Show 1 more
  • External GPS Unlock$17.99
None

Dyno

No in-app purchases

Questions

Is PerfExpert free?
PerfExpert costs $8.99, and also offers in-app purchases.
Is Dyno free?
Dyno is free to download, with no in-app purchases.
Do PerfExpert or Dyno have ads?
Neither PerfExpert nor Dyno shows ads.

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