Comparison

Free Fall Calculator vs Arduino Modules Pro

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

Head to head
About

Free Fall Calculator

Calculate free fall motion with accurate physics formulas and a realistic animation. Customize gravity for different celestial bodies and explore motion interactively. Ideal for students, teachers, and physics enthusiasts.

Highlights
  • Calculate time, height, and velocity
  • Realistic falling simulation animations
  • Interactive sliders for precise input
  • Customizable gravity values
  • Live physics results
  • Formulas included for reference
Features
Read full description

Discover the easiest way to calculate free fall motion with the Free Fall Calculator! Input time, height, or velocity and instantly get accurate results using real physics formulas. Watch a realistic falling animation that simulates gravity in action. Perfect for students, teachers, and physics enthusiasts. Customize gravity for Earth, Moon, Mars and more. Explore motion in different environments. Features include interactive sliders, live results, and smooth animation. Key Features: - Calculate the time, height, and velocity of falling objects. - Realistic falling simulation animations. - Interactive sliders for precise input. - Supports customizable gravity values. - Live physics results with instant updates. - Results are easily copyable. - Formulas are included for reference. - Works seamlessly on both iPhone and iPad. - Lightweight, compact app optimized for everyday use. - Ad-free and built with privacy in mind. - Ideal for students, educators, and physics learners. Free fall means that an object is falling freely with no forces acting upon it except gravity, a defined constant, g = -9.8 m/s². The distance the object falls, or height h, is 1/2 gravity times the square of the time falling. Velocity is defined as gravity times time. Free fall speed: When an object is released to fall down under the influence of gravitational force with no initial velocity, the velocity of a falling object is given by: v = g * t where t stands for time, g for gravity, and v for velocity. Free fall equation: The equation for distance or height fallen is given by: s = 0.5 * g * t² where t stands for time, g for gravity, and s for distance/height. Whether explicitly stated or not, the value of the acceleration in the kinematic equations is -9.8 m/s² for any freely falling object. If an object is merely dropped (as opposed to being thrown) from an elevated height, then the initial velocity of the object is 0 m/s. Learn physics visually and interactively while having fun with the Free Fall Calculator! Thank you for your support, and feel free to visit nitrio.com for more apps for your iOS devices.

About

Arduino Modules Pro

Features
Currently charting
Read full description

This app is a comprehensive reference for digital and analog sensors compatible with Arduino boards. It provides detailed descriptions, wiring diagrams, setup instructions, and practical code examples to help you easily integrate sensors and modules into your projects. Whether you’re building home automation, robotics, IoT applications, or DIY electronics, Arduino Modules Pro simplifies the process of learning, connecting, and coding with Arduino. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! Key Features: • Clear circuit diagrams and step-by-step connection guides • Ready-to-use Arduino sketches with explanations • Works with Arduino Uno, Nano, and Mega boards • Designed for both beginners and advanced users • Favorites feature – save and quickly access important topics • Full-text search – quickly find any module or sensor Sensors & Modules Covered: • Distance measurement modules • Temperature & humidity sensors • Pressure & temperature sensors • Light, vibration, and motion sensors • Infrared and magnetic field modules • Touch and gas sensors • Soil moisture & water sensors • LED modules and matrices • LCD and OLED displays • Buttons and joysticks • Sound modules • Motors and relays • Accelerometers & gyroscopes • Real-time clock modules • And many more… Why Choose Arduino Modules Pro? • Learn faster with structured guides • Get working projects quickly with example code • Improve your Arduino skills with real-world applications • Suitable for hobbyists, students, and professionals alike "Arduino" and all other mentioned trade names are trademarks of their respective owners. This app is an independent educational product and is not affiliated with, endorsed by, sponsored by, or associated with Arduino or any other company.

Screenshots

Free Fall Calculator4 screens
Arduino Modules Pro4 screens

Verdict

The call

The clearest difference is update cadence: Arduino Modules Pro at every 2 months against Free Fall Calculator's every 27 months. Arduino Modules Pro also leads on chart position (#171 vs unranked). Free Fall Calculator's advantage is price ($2.99 vs $4.99). 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

Free Fall Calculator costs $2.99 and Arduino Modules Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Free Fall Calculator ships an update every 27 months, Arduino Modules Pro every 2 months. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 7 level
Free Fall Calculator versus Arduino Modules Pro: the parameters behind the verdict, then further details
ParameterFree Fall CalculatorArduino Modules Pro
Price$2.99 — better$4.99
Rating3.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 27 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank—#171 — better
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.017.0
Further details — not scored
Size1 MB31 MB
Age rating4+4+
DeveloperNitrioALG Software Lab

In-app purchases

None

Free Fall Calculator

No in-app purchases

None

Arduino Modules Pro

No in-app purchases

Questions

Is Free Fall Calculator free?
Free Fall Calculator costs $2.99, with no in-app purchases.
Is Arduino Modules Pro free?
Arduino Modules Pro costs $4.99, with no in-app purchases.
Do Free Fall Calculator or Arduino Modules Pro have ads?
Neither Free Fall Calculator nor Arduino Modules Pro shows ads.
Which is updated more often, Free Fall Calculator or Arduino Modules Pro?
Free Fall Calculator ships an update every 27 months, and Arduino Modules Pro every 2 months. Most recently, Free Fall Calculator was updated on November 2, 2026 and Arduino Modules Pro on November 10, 2026.

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