Comparison

Driverz vs Aircraft Perf Calculator

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

Head to head
About

Driverz

Features
Read full description

L'application pour vos déplacements depuis et vers l'aéroport de Genève et la Gare Cornavin depuis le pays de Gex

About

Aircraft Perf Calculator

This app provides real-time performance calculations for pilots, converting takeoff numbers into instant readouts. It automatically computes adjusted takeoff distance, corrected climb rate, and runway usage based on current altitude and temperature, eliminating the need for paper charts.

Highlights
  • Real-time performance calculations
  • Adjusted takeoff distance
  • Corrected climb rate
  • Runway usage percentage
  • Density altitude calculation
  • Comprehensive airfield database
  • Geolocation and real-time weather
Features
Read full description

Real-time performance calculations Performance turns your takeoff numbers into an instant read-out. No more paper charts in the cockpit — enter your manufacturer data and the app does the rest. KEY FEATURES Adjusted takeoff distance Computed automatically for the current altitude and temperature Corrected climb rate The real-world impact of density altitude on your performance Runway usage The percentage of runway required, shown at a glance Density altitude Automatic standard ISA calculation Comprehensive database Over 29,000 airfields (ICAO codes and names) Geolocation Airfields within a 100 NM radius Calculations at your current position Real-time GPS altitude and temperature Automatic/Assisted Selection of Runways based on the wind length of the runway, pilots can select graphically the appropriate runway as well. display of TODA, TORA,etc.. Built-in weather Temperature and elevation estimated automatically via Open-Meteo Visual alerts Color-coded for normal, good, degraded, or poor conditions TRUSTED BY OVER 6,000 PILOTS Co-developed with Xavier ULLIANA — microlight instructor and mountain pilot, and a member of France's national Mountain Flying division. "In the mountains and on the flatlands alike, density altitude isn't a theoretical notion — it's a daily reality. Performance gives me an instant, clear picture of my true performance." — Xavier ULLIANA, Microlight Instructor Algorithm based on the Koch curve, with validated correction factors. PRACTICAL AND RELIABLE Works offline Automatically saves your settings Favorites list for the airfields you fly most Available in French and English Real-time calculations IMPORTANT Performance is a decision-support tool. The pilot in command remains responsible for: Verifying all calculations The final assessment of flight conditions The final decision to take off Compliance with their aircraft's flight manual Factors such as crosswind, runway slope, and surface condition remain for the pilot to assess. Always verify against your flight manual. Safe flights!

Screenshots

Driverz4 screens
Aircraft Perf Calculator4 screens

Verdict

The call

The clearest difference is price: Driverz at Free against Aircraft Perf Calculator's $1.99. Driverz also leads on update cadence (fortnightly vs every 5 months). On ads, in-app purchases, device support and iOS requirement 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

Driverz is free to download; Aircraft Perf Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Driverz ships an update fortnightly, Aircraft Perf Calculator every 5 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 6 level
Driverz versus Aircraft Perf Calculator: the parameters behind the verdict, then further details
ParameterDriverzAircraft Perf Calculator
PriceFree — better$1.99
Positive reviews—50.0% of reviews
Update frequencyFortnightly — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size81 MB14 MB
Age rating4+4+
DeveloperRENOVAHamenai technologies

In-app purchases

None

Driverz

No in-app purchases

None

Aircraft Perf Calculator

No in-app purchases

Questions

Is Driverz free?
Driverz is free to download, with no in-app purchases.
Is Aircraft Perf Calculator free?
Aircraft Perf Calculator costs $1.99, with no in-app purchases.
Do Driverz or Aircraft Perf Calculator have ads?
Neither Driverz nor Aircraft Perf Calculator shows ads.
Which is updated more often, Driverz or Aircraft Perf Calculator?
Driverz ships an update fortnightly, and Aircraft Perf Calculator every 5 months. Most recently, Driverz was updated on October 5, 2026 and Aircraft Perf Calculator on October 9, 2026.

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